Water-Quality and Water-Discharge Records
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EAST HICKORY CREEK BASIN
03015795 EAST HICKORY CREEK NEAR QUEEN, PA
LOCATION.--Lat 41`38'31", long 79`20'18", Warren County, Hydrologic Unit 05010003,in the Allegheny National
Forest, on right bank 20 ft downstream of Forest Service Road 119 bridge, 0.2 mi downstream of Camp Run, 0.5 mi
upstream of Jaybuck Run, and 1.7 mi northeast of Queen, Pa.
DRAINAGE AREA.--20.3 mi2.
WATER-DISCHARGE RECORDS
PERIOD OF RECORD.--October 1996 to current year.
GAGE.--Water-stage recorder. Elevation of gage is 1,270 ft above sea level, from topographic map.
REMARKS.--Records fair. Several measurements of water temperature were made during the year.
PEAK DISCHARGES FOR CURRENT YEAR.--Peak discharges greater than a base discharge of 280 ft3/s and maximum (*):
Discharge Gage height Discharge Gage height
Date Time (ft3/s) (ft) Date Time (ft3/s) (ft)
Nov. 8 1630 407 4.79 Feb. 27 1015 *437 a4.89
Feb. 5 -- Unknown Ice jam July 9 1415 285 4.32
Feb. 21 -- Unknown Ice jam
DISCHARGE, CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1996 TO SEPTEMBER 1997
DAILY MEAN VALUES
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
1 36 51 119 e45 e28 e180 42 49 30 21 2.9 2.9
2 27 44 118 e50 103 e140 38 43 41 22 2.9 2.7
3 22 38 85 e70 e100 e100 35 49 52 14 2.8 3.0
4 18 33 68 e88 e60 e64 32 49 43 11 7.8 2.7
5 16 30 e49 e50 e40 e105 29 41 38 10 5.1 2.5
6 14 28 e41 e42 e35 e96 27 48 32 8.2 3.4 2.5
7 13 e30 e36 e39 e32 e86 25 44 28 7.1 2.9 2.3
8 12 460 e32 e37 e33 e70 23 42 24 6.8 2.8 2.4
9 12 249 e29 e30 e34 e90 22 42 20 79 2.7 2.4
10 15 158 e27 e26 e30 e135 21 40 17 45 2.6 2.6
11 12 105 e30 e23 e26 97 20 37 15 27 2.7 4.2
12 11 77 e50 e21 e23 74 39 35 22 19 2.9 11
13 11 62 e86 e19 e20 59 84 33 27 14 3.5 4.2
14 10 52 e70 e31 e18 175 56 30 17 11 3.3 3.5
15 9.9 43 e58 e26 e16 145 46 31 13 9.8 2.9 3.1
16 9.6 39 e46 e22 e14 95 40 34 12 9.0 6.0 2.9
17 9.6 36 e45 e18 e12 71 46 32 16 7.2 15 3.2
18 26 47 e45 e15 e20 59 40 30 30 6.2 8.2 5.0
19 252 51 e31 e16 e45 48 35 52 38 6.0 4.3 3.5
20 144 46 e24 e25 e100 42 32 79 27 5.1 3.4 4.1
21 104 42 e19 e45 e240 37 29 60 20 4.8 3.5 4.1
22 82 38 e19 e88 e190 39 29 49 16 6.9 4.6 3.2
23 62 34 e25 e68 e140 32 53 42 13 5.2 11 3.1
24 47 31 e100 e50 e100 28 103 36 10 5.1 5.3 3.0
25 36 40 e80 e40 e68 31 67 40 15 4.8 4.7 2.9
26 29 158 e56 e35 50 72 53 37 121 4.5 4.1 3.2
27 25 99 e43 e31 311 54 45 31 46 4.3 3.6 3.0
28 25 73 e41 e28 e260 48 92 27 31 4.4 3.3 3.2
29 23 60 e54 e27 --- 46 69 25 23 4.2 3.0 44
30 69 52 e43 e25 --- 44 58 25 17 3.4 3.0 28
31 62 --- e41 e27 --- 52 --- 24 --- 3.1 2.8 ---
TOTAL 1244.1 2306 1610 1157 2148 2414 1330 1236 854 389.1 137.0 168.4
MEAN 40.1 76.9 51.9 37.3 76.7 77.9 44.3 39.9 28.5 12.6 4.42 5.61
MAX 252 460 119 88 311 180 103 79 121 79 15 44
MIN 9.6 28 19 15 12 28 20 24 10 3.1 2.6 2.3
CFSM 1.98 3.79 2.56 1.84 3.78 3.84 2.18 1.96 1.40 .62 .22 .28
IN. 2.28 4.23 2.95 2.12 3.94 4.42 2.44 2.26 1.56 .71 .25 .31
a Maximum gage height, 5.32 ft., Feb. 5 (backwater from ice).
e Estimated.
EAST HICKORY CREEK BASIN
03015795 EAST HICKORY CREEK NEAR QUEEN, PA--Continued
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1996 - 1997, BY WATER YEAR (WY)
OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
MEAN 40.1 76.9 51.9 37.3 76.7 77.9 44.3 39.9 28.5 12.6 4.42 4.09
MAX 40.1 76.9 51.9 37.3 76.7 77.9 44.3 39.9 28.5 12.6 4.42 5.61
(WY) 1997 1997 1997 1997 1997 1997 1997 1997 1997 1997 1997 1997
MIN 40.1 76.9 51.9 37.3 76.7 77.9 44.3 39.9 28.5 12.6 4.42 2.57
(WY) 1997 1997 1997 1997 1997 1997 1997 1997 1997 1997 1997 1996
SUMMARY STATISTICS FOR 1997 WATER YEAR
ANNUAL TOTAL 14993.6
ANNUAL MEAN 41.1
HIGHEST ANNUAL MEAN
LOWEST ANNUAL MEAN
HIGHEST DAILY MEAN 460 Nov 8
LOWEST DAILY MEAN 2.3 Sep 7
ANNUAL SEVEN-DAY MINIMUM 2.5 Sep 4
INSTANTANEOUS PEAK FLOW 565 Feb 27
INSTANTANEOUS PEAK STAGE a4.89 Feb 27
INSTANTANEOUS LOW FLOW 2.1 Sep 7
ANNUAL RUNOFF (CFSM) 2.02
ANNUAL RUNOFF (INCHES) 27.48
10 PERCENT EXCEEDS 88
50 PERCENT EXCEEDS 31
90 PERCENT EXCEEDS 3.4
a Maximum gage height, 5.32 ft., Feb. 5 (backwater from ice).
EAST HICKORY CREEK BASIN
03015795 EAST HICKORY CREEK NEAR QUEEN, PA--Continued
(National Water-Quality Assessment station)
WATER-QUALITY RECORDS
PERIOD OF RECORD.--October 1996 to current year.
PERIOD OF DAILY RECORD.--
WATER TEMPERATURE: October 1996 to current year.
INSTRUMENTATION.--Daily record measured and collected at hourly intervals using an in-situ probe with
an electronic data logger.
REMARKS.--All water-quality samples were collected and analyzed by the U.S. Geological Survey. Interruptions
in the daily record were due to malfunctions of the equipment. Additional sites in the (NAWQA) fixed-station
network are shown in figure 6 on page 28. An explanation of selected abbreviations used in the water-
quality tables are given on pages 29-31.
EXTREMES FOR CURRENT YEAR.--
WATER TEMPERATURE: Maximum, 23.5`C, July 29; minimum, 0.0`C, many days during winter periods.
WATER-QUALITY DATA, WATER YEAR OCTOBER 1996 TO SEPTEMBER 1997
DIS- PH BARO-
CHARGE, SPE- WATER METRIC HARD- MAGNE-
INST. CIFIC WHOLE PRES- NESS CALCIUM SIUM, SODIUM,
CUBIC CON- FIELD TEMPER- SURE OXYGEN, TOTAL DIS- DIS- DIS-
FEET DUCT- (STAND- ATURE (MM DIS- (MG/L SOLVED SOLVED SOLVED
DATE TIME PER ANCE ARD WATER OF SOLVED AS (MG/L (MG/L (MG/L
SECOND (µS/CM) UNITS) (DEG C) HG) (MG/L) CACO3) AS CA) AS MG) AS NA)
(00061) (00095) (00400) (00010) (00025) (00300) (00900) (00915) (00925) (00930)
OCT
30... 1115 102 39 6.6 10.0 729 10.6 11 2.6 1.2 1.3
NOV
14... 1400 50 39 6.2 2.0 736 14.3 -- -- -- --
DEC
05... 1130 53 39 6.0 4.0 723 12.6 12 2.5 1.3 1.2
JAN
14... 1430 74 42 6.6 0.0 733 13.3 12 2.7 1.3 1.4
FEB
25... 1345 67 41 6.1 0.0 723 14.7 11 2.5 1.2 1.3
MAR
10... 1300 123 38 6.2 4.0 724 12.8 11 2.4 1.1 1.2
APR
21... 1345 29 41 6.6 5.0 718 12.0 12 2.6 1.3 1.3
MAY
06... 1700 50 39 6.5 10.5 725 11.0 11 2.5 1.2 1.3
JUN
24... 1245 10 44 6.9 18.0 728 8.9 14 3.1 1.5 1.9
JUL
30... 1245 3.2 46 7.2 16.0 732 8.9 14 3.2 1.5 2.1
AUG
20... 1215 3.2 49 7.2 15.5 721 8.9 15 3.5 1.6 2.2
SEP
29... 1230 47 42 6.9 13.0 712 9.6 13 3.0 1.3 1.5
EAST HICKORY CREEK BASIN
03015795 EAST HICKORY CREEK NEAR QUEEN, PA--Continued
WATER-QUALITY DATA, WATER YEAR OCTOBER 1996 TO SEPTEMBER 1997
ALKA- SOLIDS, NITRO- NITRO- NITRO- NITRO-
POTAS- LINITY CHLO- FLUO- SILICA, RESIDUE GEN, GEN, GEN, GEN,AM-
SIUM, WAT DIS SULFATE RIDE, RIDE, DIS- AT 180 NITRITE NO2+NO3 AMMONIA MONIA +
DIS- TOT IT DIS- DIS- DIS- SOLVED DEG. C DIS- DIS- DIS- ORGANIC
SOLVED FIELD SOLVED SOLVED SOLVED (MG/L DIS- SOLVED SOLVED SOLVED TOTAL
DATE (MG/L MG/L AS (MG/L (MG/L (MG/L AS SOLVED (MG/L (MG/L (MG/L (MG/L
AS K) CACO3 AS SO4) AS CL) AS F) SIO2) (MG/L) AS N) AS N) AS N) AS N)
(00935) (39086) (00945) (00940) (00950) (00955) (70300) (00613) (00631) (00608) (00625)
OCT
30... 1.0 6 8.8 1.3 <0.10 5.7 30 0.010 0.120 0.020 0.20
NOV
14... -- 6 -- -- -- -- -- <0.010 0.200 <0.015 <0.20
DEC
05... 0.70 4 9.6 1.3 <0.10 6.0 23 0.010 0.190 <0.015 <0.20
JAN
14... 0.80 5 9.6 1.6 0.10 6.2 31 <0.010 0.210 0.020 <0.20
FEB
25... 0.50 2 10 1.4 <0.10 5.8 27 0.020 0.330 0.040 <0.20
MAR
10... 0.70 8 9.4 1.3 <0.10 4.9 25 <0.010 0.220 <0.015 0.20
APR
21... 0.80 3 9.8 1.4 <0.10 5.5 27 <0.010 0.221 0.017 <0.20
MAY
06... 0.71 3 9.7 1.4 <0.10 5.4 27 <0.010 0.174 <0.015 <0.20
JUN
24... 0.71 8 7.9 1.6 <0.10 5.7 39 <0.010 0.178 <0.015 <0.20
JUL
30... 0.81 10 6.1 1.3 <0.10 5.7 35 <0.010 0.189 0.068 <0.20
AUG
20... 0.87 11 5.2 1.3 <0.10 5.6 38 <0.010 0.136 <0.015 <0.20
SEP
29... 1.1 6 8.1 1.3 <0.10 4.8 41 <0.010 0.174 <0.015 0.45
NITRO- PHOS- CARBON, SED.
GEN,AM- PHOS- PHORUS MANGA- CARBON, ORGANIC SUSP.
MONIA + PHOS- PHORUS ORTHO, IRON, NESE, ORGANIC SUS- SEDI- SIEVE
ORGANIC PHORUS DIS- DIS- DIS- DIS- DIS- PENDED MENT, DIAM.
DIS. TOTAL SOLVED SOLVED SOLVED SOLVED SOLVED TOTAL SUS- % FINER
DATE (MG/L (MG/L (MG/L (MG/L (µG/L (µG/L (MG/L (MG/L PENDED THAN
AS N) AS P) AS P) AS P) AS FE) AS MN) AS C) AS C) (MG/L) .062 MM
(00623) (00665) (00666) (00671) (01046) (01056) (00681) (00689) (80154) (70331)
OCT
30... <0.20 0.020 <0.010 <0.010 91 36 3.2 1.2 21 65
NOV
14... <0.20 <0.010 <0.010 <0.010 -- -- 1.2 0.10 1 60
DEC
05... <0.20 <0.010 <0.010 <0.010 34 21 1.3 0.20 1 67
JAN
14... <0.20 <0.010 <0.010 <0.010 37 24 0.90 0.10 2 50
FEB
25... <0.20 <0.010 <0.010 0.020 18 21 1.0 0.10 2 56
MAR
10... <0.20 0.030 <0.010 <0.010 25 32 2.2 0.10 5 81
APR
21... <0.20 0.026 <0.010 <0.010 41 15 1.1 0.20 1 67
MAY
06... <0.20 <0.010 <0.010 <0.010 46 19 1.6 0.20 4 29
JUN
24... <0.20 <0.010 0.016 <0.010 290 21 2.1 0.50 6 67
JUL
30... <0.20 <0.010 <0.010 0.012 190 15 2.6 0.20 6 83
AUG
20... <0.20 0.023 <0.010 <0.010 280 18 3.1 0.30 4 88
SEP
29... 0.33 0.020 0.027 <0.010 240 84 6.0 1.3 16 70
EAST HICKORY CREEK BASIN
03015795 EAST HICKORY CREEK NEAR QUEEN, PA--Continued
REMARKS.--The following data are for analytes from the National Water Quality laboratory (NWQL)
schedule 2010--pesticides in filtered water. Samples are filtered through a glass-fiber membrane filter with
openings that are 0.7 microns in size to remove sediment and microorganisms. The filtered water is field
extracted on C-18 solid phase extraction cartridges and analyzed by a gas chromatography/mass spectrometric
detector.
The method detection limit (MDL) provides an index to indicate where measurement uncertainty
is increased. When an analyte is detected and all criteria for a positive result are met, the concentration
is reported. If the concentration is less than the MDL, an 'E' code will be reported with the value. If the
analyte is qualitatively identified as present, but the quantitative determination is substantially more
uncertain, the NWQL will identify the result with an 'E' code even though the measured value is greater than
the MDL. A value reported with an 'E' code should be used with caution. When no analyte is detected
in a sample, the default reporting value is the MDL preceded by a less-than sign (<).
WATER-QUALITY DATA, WATER YEAR OCTOBER 1996 TO SEPTEMBER 1997
DIS- PH BARO- ALKA- 2,6-DI-
CHARGE, SPE- WATER METRIC LINITY ETHYL ACETO- ALA- ATRA-
INST. CIFIC WHOLE PRES- WAT DIS ANILINE CHLOR, CHLOR, ZINE,
CUBIC CON- FIELD TEMPER- SURE OXYGEN, TOT IT WAT FLT WATER WATER, WATER,
FEET DUCT- (STAND- ATURE (MM DIS- FIELD 0.7 m FLTRD DISS, DISS,
DATE TIME PER ANCE ARD WATER OF SOLVED MG/L AS GF, REC REC REC, REC
SECOND (µS/CM) UNITS) (DEG C) HG) (MG/L) CACO3 (µG/L) (µG/L) (µG/L) (µG/L)
(00061) (00095) (00400) (00010) (00025) (00300) (39086) (82660) (49260) (46342) (39632)
JUN
24... 1245 10 44 6.9 18.0 728 8.9 8 <0.003 <0.002 <0.002 <0.001
METHYL BEN- CAR- CARBO- DEETHYL DISUL-
AZIN- FLUR- BUTYL- BARYL FURAN CYANA- DCPA ATRA- FOTON
PHOS ALIN ATE, WATER WATER CHLOR- ZINE, WATER ZINE, DI- DI- WATER
WAT FLT WAT FLD WATER, FLTRD FLTRD PYRIFOS WATER, FLTRD WATER, AZINON, ELDRIN FLTRD
0.7 m 0.7 m DISS, 0.7 m 0.7 m DIS- DISS, 0.7 m DISS, DIS- DIS- 0.7 m
DATE GF, REC GF, REC REC GF, REC GF, REC SOLVED REC GF, REC REC SOLVED SOLVED GF, REC
(µG/L) (µG/L) (µG/L) (µG/L) (µG/L) (µG/L) (µG/L) (µG/L) (µG/L) (µG/L) (µG/L) (µG/L)
(82686) (82673) (04028) (82680) (82674) (38933) (04041) (82682) (04040) (39572) (39381) (82677)
JUN
24... <0.001 <0.002 <0.002 <0.003 <0.003 <0.004 <0.004 <0.002 <0.002 <0.002 <0.001 <0.017
ETHAL- ETHO- LIN- MOL- NAPROP-
EPTC FLUR- PROP URON METRI- INATE AMIDE
WATER ALIN WATER FONOFOS WATER MALA- METO- BUZIN WATER WATER PARA-
FLTRD WAT FLT FLTRD WATER LINDANE FLTRD THION, LACHLOR SENCOR FLTRD FLTRD THION,
0.7 m 0.7 m 0.7 m DISS DIS- 0.7 m DIS- WATER WATER 0.7 m 0.7 m DIS-
DATE GF, REC GF, REC GF, REC REC SOLVED GF, REC SOLVED DISSOLV DISSOLV GF, REC GF, REC SOLVED
(µG/L) (µG/L) (µG/L) (µG/L) (µG/L) (µG/L) (µG/L) (µG/L) (µG/L) (µG/L) (µG/L) (µG/L)
(82668) (82663) (82672) (04095) (39341) (82666) (39532) (39415) (82630) (82671) (82684) (39542)
JUN
24... <0.002 <0.004 <0.003 <0.003 <0.004 <0.002 <0.005 <0.002 <0.004 <0.004 <0.003 <0.004
METHYL PEB- PENDI- PRO- PRO- PRON- TEBU- TER-
PARA- ULATE METH- PHORATE PRO- PROP- PANIL PARGITE AMIDE SI- THIURON BACIL
THION WATER ALIN WATER METON, CHLOR, WATER WATER WATER MAZINE, WATER WATER
WAT FLT FILTRD WAT FLT FLTRD WATER, WATER, FLTRD FLTRD FLTRD WATER, FLTRD FLTRD
0.7 m 0.7 m 0.7 m 0.7 m DISS, DISS, 0.7 m 0.7 m 0.7 m DISS, 0.7 m 0.7 m
DATE GF, REC GF, REC GF, REC GF, REC REC REC GF, REC GF, REC GF, REC REC GF, REC GF, REC
(µG/L) (µG/L) (µG/L) (µG/L) (µG/L) (µG/L) (µG/L) (µG/L) (µG/L) (µG/L) (µG/L) (µG/L)
(82667) (82669) (82683) (82664) (04037) (04024) (82679) (82685) (82676) (04035) (82670) (82665)
JUN
24... <0.006 <0.004 <0.004 <0.002 <0.018 <0.007 <0.004 <0.013 <0.003 <0.005 <0.010 <0.007
TER- THIO- TRIAL- TRI- PER- DIAZ- TERBUTH HCH
BUFOS BENCARB LATE FLUR- METHRIN INON YLAZINE ALPHA SAMPLE
WATER WATER WATER ALIN ALPHA CIS D10 SRG SURROGT D6 SRG VOLUME
FLTRD FLTRD FLTRD WAT FLT BHC WAT FLT P,P' WAT FLT WAT FLT WAT FLT SCHED-
0.7 m 0.7 m 0.7 m 0.7 m DIS- 0.7 m DDE 0.7 m 0.7 m 0.7 m ULE
DATE GF, REC GF, REC GF, REC GF, REC SOLVED GF, REC DISSOLV GF, REC GF, REC GF, REC 2010
(µG/L) (µG/L) (µG/L) (µG/L) (µG/L) (µG/L) (µG/L) PERCENT PERCENT PERCENT (ML)
(82675) (82681) (82678) (82661) (34253) (82687) (34653) (91063) (91064) (91065) (99857)
JUN
24... <0.013 <0.002 <0.001 <0.002 <0.002 <0.005 <0.006 98.2 116 104 925
EAST HICKORY CREEK BASIN
03015795 EAST HICKORY CREEK NEAR QUEEN, PA--Continued
REMARKS.--The following data are for analytes from the National Water Quality laboratory (NWQL)
schedule 2051--pesticides in filtered water. Samples are filtered through a glass-fiber membrane filter with
openings that are 0.7 microns in size to remove sediment and microorganisms. The filtered water is field
extracted on Carbopak B solid phase extraction cartridge and analyzed by high performance liquid
chromatography.
The method detection limit (MDL) provides an index to indicate where measurement uncertainty
is increased. When an analyte is detected and all criteria for a positive result are met, the concentration
is reported. If the concentration is less than the MDL, an 'E' code will be reported with the value. If the
analyte is qualitatively identified as present, but the quantitative determination is substantially more
uncertain, the NWQL will identify the result with an 'E' code even though the measured value is greater than
the MDL. A value reported with an 'E' code should be used with caution. When no analyte is detected
in a sample, the default reporting value is the MDL preceded by a less-than sign (<).
WATER-QUALITY DATA, WATER YEAR OCTOBER 1996 TO SEPTEMBER 1997
DIS- PH BARO- ALKA-
CHARGE, SPE- WATER METRIC LINITY
INST. CIFIC WHOLE PRES- WAT DIS
CUBIC CON- FIELD TEMPER- SURE OXYGEN, TOT IT 2,4,5-T 2,4-D,
FEET DUCT- (STAND- ATURE (MM DIS- FIELD DIS- DIS-
DATE TIME PER ANCE ARD WATER OF SOLVED MG/L AS SOLVED SOLVED
SECOND (µS/CM) UNITS) (DEG C) HG) (MG/L) CACO3 (µG/L) (µG/L)
(00061) (00095) (00400) (00010) (00025) (00300) (39086) (39742) (39732)
JUN
24... 1245 10 44 6.9 18.0 728 8.9 8 <0.035 <0.035
3HYDRXY ACIFL- ALDI- ALDI- ALDICA- BENTA-
2,4-DB CARBO- UORFEN CARB, CARB RB SUL- ZON, BRO-
WATER, FURAN DNOC WATER, WATER, SULFONE FOXIDE, WATER, MACIL,
FLTRD, SILVEX, WAT,FLT WAT,FLT FLTRD, FLTRD, WAT,FLT WAT,FLT FLTRD, WATER,
GF 0.7m DIS- GF 0.7m GF 0.7m GF 0.7m GF 0.7m GF 0.7m GF 0.7m GF 0.7m DISS,
DATE REC SOLVED REC REC REC REC REC REC REC REC
(µG/L) (µG/L) (µG/L) (µG/L) (µG/L) (µG/L) (µG/L) (µG/L) (µG/L) (µG/L)
(38746) (39762) (49308) (49299) (49315) (49312) (49313) (49314) (38711) (04029)
JUN
24... <0.035 <0.021 <0.014 <0.035 <0.035 <0.016 <0.016 <0.021 <0.014 <0.035
BRO- CAR- CARBO- CHLOR- CHLORO- CLOPYR- DACTHAL DICHLO- DICHLOR
MOXYNIL BARYL, FURAN, AMBEN, THALO- ALID, MONO- DICAMBA BENIL, PROP,
WATER, WATER, WATER, WATER, NIL, WATER, ACID, WATER, WATER, WATER,
FLTRD, FLTRD, FLTRD, FLTRD, WAT,FLT FLTRD, WAT,FLT FLTRD, FLTRD, FLTRD,
GF 0.7m GF 0.7m GF 0.7m GF 0.7m GF 0.7m GF 0.7m GF 0.7m GF 0.7m GF 0.7m GF 0.7m
DATE REC REC REC REC REC REC REC REC REC REC
(µG/L) (µG/L) (µG/L) (µG/L) (µG/L) (µG/L) (µG/L) (µG/L) (µG/L) (µG/L)
(49311) (49310) (49309) (49307) (49306) (49305) (49304) (38442) (49303) (49302)
JUN
24... <0.035 <0.008 <0.028 <0.011 <0.035 <0.050 <0.017 <0.035 <0.020 <0.032
FEN- FLUO- METHIO- METH- NEB-
DINOSEB DIURON, URON, METURON LINURON MCPA, MCPB, CARB, OMYL, URON,
WATER, WATER, WATER, WATER, WATER, WATER, WATER, WATER, WATER, WATER,
FLTRD, FLTRD, FLTRD, FLTRD, FLTRD, FLTRD, FLTRD, FLTRD, FLTRD, FLTRD,
GF 0.7m GF 0.7m GF 0.7m GF 0.7m GF 0.7m GF 0.7m GF 0.7m GF 0.7m GF 0.7m GF 0.7m
DATE REC REC REC REC REC REC REC REC REC REC
(µG/L) (µG/L) (µG/L) (µG/L) (µG/L) (µG/L) (µG/L) (µG/L) (µG/L) (µG/L)
(49301) (49300) (49297) (38811) (38478) (38482) (38487) (38501) (49296) (49294)
JUN
24... <0.035 <0.020 <0.013 <0.035 <0.018 <0.050 <0.035 <0.026 <0.017 <0.015
NORFLUR ORY- PIC- PRO- PRO- TRI-
AZON, ZALIN, OXAMYL, LORAM, PHAM, POXUR, CLOPYR, BDMC, SAMPLE
WATER, WATER, WATER, WATER, WATER, WATER, WATER, SURROG, VOLUME,
FLTRD, FLTRD, FLTRD, FLTRD, FLTRD, FLTRD, FLTRD, WATER, SCHED-
GF 0.7m GF 0.7m GF 0.7m GF 0.7m GF 0.7m GF 0.7m GF 0.7m UNFLTRD ULE
DATE REC REC REC REC REC REC REC REC 2051
(µG/L) (µG/L) (µG/L) (µG/L) (µG/L) (µG/L) (µG/L) PERCENT (ML)
(49293) (49292) (38866) (49291) (49236) (38538) (49235) (99835) (99847)
JUN
24... <0.024 <0.019 <0.018 <0.050 <0.035 <0.035 <0.050 117 900
FRENCH CREEK BASIN
03024000 FRENCH CREEK AT UTICA, PA
(National water-quality assessment station)
LOCATION.--Lat 41`26'15", long 79`57'22", Venango County, Hydrologic Unit 05010004, on right bank at upstream side
of bridge on SR 3017 at Utica and 2,000 ft upstream from Mill Creek.
DRAINAGE AREA.--1,028 mi2.
WATER-DISCHARGE RECORDS
PERIOD OF RECORD.--August 1932 to current year.
REVISED RECORDS.--WSP 743: Drainage area. WSP 823: 1936 (M). WSP 1275: 1933, 1936.
GAGE.--Water-stage recorder. Datum of gage is 1,019.44 ft above sea level. Prior to Nov. 27, 1933, nonrecording
gage at same site and datum.
REMARKS.--Records good except for estimated daily discharges, which are fair. Flow regulated since 1971 by Union
City Reservoir 50 mi upstream, serving as a retarding basin, and since January 1974 by Woodcock Creek Lake,
25 mi upstream. Several measurements of water temperature were made during the year. U.S. Army Corps of
Engineers satellite telemeter at station.
EXTREMES OUTSIDE PERIOD OF RECORD.--Maximum stage since at least 1912, 15.7 ft in March 1913, discharge
35,600 ft3/s.
DISCHARGE, CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1996 TO SEPTEMBER 1997
DAILY MEAN VALUES
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
1 5220 2830 5050 2790 2480 10100 3860 1390 1310 512 152 259
2 3770 2170 5790 2540 2290 8240 3450 1190 3140 552 148 237
3 2900 1840 5090 2680 2230 7050 3020 1350 5400 571 141 227
4 2310 1690 4460 2810 2530 5910 2650 1930 6080 545 135 211
5 1970 1620 4000 2970 4970 5020 2360 1830 5160 499 134 199
6 1760 1680 3610 3580 5450 5760 2160 2240 4040 450 161 219
7 1570 1730 3290 3500 5090 5890 1980 2640 3010 411 166 217
8 1360 4060 3010 2940 4310 5390 1810 2320 2440 378 149 193
9 1110 6880 2810 2530 3450 5190 1610 2170 2120 360 134 175
10 1440 7550 2660 2340 2740 6780 1390 2150 1860 391 120 181
11 2190 6620 3010 2030 2270 7160 1210 3070 1650 879 109 255
12 2040 5630 4960 1430 1980 6560 1850 3310 1760 997 108 309
13 1730 5130 5970 1360 1580 5280 4250 3200 1830 867 127 286
14 1430 4640 5510 1270 e1400 6370 4010 2770 1390 631 160 293
15 1170 4080 4580 1260 e1250 8200 3350 2480 1070 425 163 276
16 959 3680 3900 e1190 e1150 7850 2820 2480 888 357 181 266
17 845 3390 3730 e1130 e1050 6040 2620 2600 940 329 248 245
18 908 4180 3880 e1130 e1000 5000 2220 2370 1210 304 379 233
19 3990 5400 3460 e1180 e1700 4320 2000 3110 1350 272 563 214
20 5890 5210 2860 e1200 4990 3650 1780 5520 1300 246 466 296
21 5870 4620 2240 1250 6000 3280 1580 5200 1170 227 333 356
22 5200 4000 1870 1390 7050 3150 1380 4170 942 241 281 324
23 4440 3470 1700 2960 6640 3270 1300 3280 781 230 342 301
24 3810 3080 3560 4090 5040 3000 1400 2660 656 224 647 265
25 3200 3040 5100 4770 3820 2770 1420 2530 604 221 818 233
26 2750 5280 4260 5060 3200 4010 1270 2590 1230 212 642 210
27 2350 5980 3910 4580 7190 4290 1120 2270 1030 205 460 191
28 2150 5080 3470 4020 9880 3560 1260 1940 861 196 408 185
29 2020 4230 3680 3660 --- 3050 1550 1720 658 182 367 560
30 2520 3650 3650 3220 --- 3010 1610 1530 550 171 332 992
31 3240 --- 3240 2720 --- 3750 --- 1300 --- 161 295 ---
TOTAL 82112 122440 118310 79580 102730 162900 64290 79310 56430 12246 8869 8408
MEAN 2649 4081 3816 2567 3669 5255 2143 2558 1881 395 286 280
MAX 5890 7550 5970 5060 9880 10100 4250 5520 6080 997 818 992
MIN 845 1620 1700 1130 1000 2770 1120 1190 550 161 108 175
CFSM 2.58 3.97 3.71 2.50 3.57 5.11 2.08 2.49 1.83 .38 .28 .27
IN. 2.97 4.43 4.28 2.88 3.72 5.89 2.33 2.87 2.04 .44 .32 .30
e Estimated.
FRENCH CREEK BASIN
03024000 FRENCH CREEK AT UTICA, PA--Continued
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1972 - 1997, BY WATER YEAR (WY) (SINCE REGULATION)
OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
MEAN 1315 2441 2942 2538 2890 3917 3015 1756 1409 889 699 963
MAX 3954 6309 6029 5426 6394 6466 5101 4081 4659 2629 3297 3409
(WY) 1991 1986 1978 1993 1976 1972 1994 1996 1986 1987 1980 1990
MIN 121 176 1049 869 629 2085 1655 452 209 192 112 71.7
(WY) 1992 1992 1990 1977 1987 1990 1976 1985 1991 1995 1991 1995
SUMMARY STATISTICS FOR 1996 CALENDAR YEAR FOR 1997 WATER YEAR WATER YEARS 1972 - 1997
ANNUAL TOTAL 1068423 897625
ANNUAL MEAN 2919 2459 2060
HIGHEST ANNUAL MEAN 2459 1997
LOWEST ANNUAL MEAN 1349 1995
HIGHEST DAILY MEAN 15600 Jan 20 10100 Mar 1 18100 Feb 21 1981
LOWEST DAILY MEAN 202 Sep 6 108 Aug 12 60 Sep 15 1991
ANNUAL SEVEN-DAY MINIMUM 227 Aug 31 130 Aug 8 67 Sep 7 1995
INSTANTANEOUS PEAK FLOW 10600 Mar 1 18400 Feb 21 1981
INSTANTANEOUS PEAK STAGE 8.81 Mar 1 11.64 Feb 21 1981
ANNUAL RUNOFF (CFSM) 2.84 2.39 2.00
ANNUAL RUNOFF (INCHES) 38.66 32.48 27.22
10 PERCENT EXCEEDS 5810 5240 4620
50 PERCENT EXCEEDS 2350 2120 1400
90 PERCENT EXCEEDS 585 227 264
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1933 - 1971, BY WATER YEAR (WY) (PRIOR TO REGULATION)
OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
MEAN 695 1506 2238 2590 2713 3915 3147 1684 953 555 408 440
MAX 3744 3983 4471 7284 5894 7359 6688 4160 3717 2015 1907 2148
(WY) 1946 1971 1951 1937 1938 1964 1947 1956 1947 1967 1956 1958
MIN 69.5 183 227 403 523 1768 575 349 124 77.1 77.8 80.4
(WY) 1964 1954 1961 1961 1934 1937 1946 1934 1934 1934 1954 1954
SUMMARY STATISTICS WATER YEARS 1933 - 1971
ANNUAL MEAN 1732
HIGHEST ANNUAL MEAN 2539 1956
LOWEST ANNUAL MEAN 1146 1934
HIGHEST DAILY MEAN 23000 Mar 6 1964
LOWEST DAILY MEAN 45 Sep 1 1933
ANNUAL SEVEN-DAY MINIMUM 48 Aug 27 1933
INSTANTANEOUS PEAK FLOW 23800 Mar 7 1964
INSTANTANEOUS PEAK STAGE a13.2 Mar 7 1964
INSTANTANEOUS LOW FLOW 43 Jul 30 1934
ANNUAL RUNOFF (CFSM) 1.68
ANNUAL RUNOFF (INCHES) 22.89
10 PERCENT EXCEEDS 4350
50 PERCENT EXCEEDS 909
90 PERCENT EXCEEDS 144
a From floodmark in gage well.
FRENCH CREEK BASIN
03024000 FRENCH CREEK AT UTICA, PA--Continued
(National Water-Quality Assessment station)
WATER-QUALITY RECORDS
PERIOD OF RECORD.--February to October 1956, October 1959 to May 1973, December 1975 to August 1978, April 1996
to current year.
PERIOD OF DAILY RECORD.--
WATER TEMPERATURE: October 1996 to current year.
SUSPENDED SEDIMENT DISCHARGE: October 1971 to September 1972.
INSTRUMENTATION.--Suspended-sediment samples were collected daily and more often during storm events
by an observer from October 1971 to September 1972. Water temperature was measured and collected at hourly
intervals using an in-situ probe with an electronic data logger from October 1996 to current year.
REMARKS.--All water-quality samples were collected and analyzed by the U.S. Geological Survey except those
furnished by the Pennsylvania Department of Environmental Resources as noted. Interruptions in the daily
records were due to malfunctions of the equipment. Additional sites in the (NAWQA) fixed-station network
are shown in figure 6 on page 28. An explanation of selected abbreviations used in the water-quality tables
are given on pages 29-31.
EXTREMES FOR PERIOD OF DAILY RECORD.--
SEDIMENT CONCENTRATIONS: Maximum daily, 404 µg/L, June 24, 1972; minimum daily, 3 µg/L on several days during
February 1972.
SEDIMENT DISCHARGES: Maximum daily, 10400 tons, June 24, 1972; minimum daily, 3.5 tons, September 11, 1972.
WATER-QUALITY DATA, WATER YEAR OCTOBER 1996 TO SEPTEMBER 1997
DIS- PH BARO-
CHARGE, SPE- WATER METRIC HARD- MAGNE-
INST. CIFIC WHOLE PRES- NESS CALCIUM SIUM, SODIUM,
CUBIC CON- FIELD TEMPER- SURE OXYGEN, TOTAL DIS- DIS- DIS-
FEET DUCT- (STAND- ATURE (MM DIS- (MG/L SOLVED SOLVED SOLVED
DATE TIME PER ANCE ARD WATER OF SOLVED AS (MG/L (MG/L (MG/L
SECOND (µS/CM) UNITS) (DEG C) HG) (MG/L) CACO3) AS CA) AS MG) AS NA)
(00061) (00095) (00400) (00010) (00025) (00300) (00900) (00915) (00925) (00930)
OCT
29... 1130 2020 203 7.6 10.5 730 10.0 78 24 4.5 5.9
NOV
15... 1000 4090 184 7.4 2.0 748 12.2 -- -- -- --
DEC
06... 0900 3620 177 7.5 3.0 725 12.2 66 20 4.0 5.9
JAN
15... 1000 1320 222 7.5 0.0 733 13.7 92 28 5.3 7.6
FEB
26... 0915 3210 157 7.5 1.0 732 13.4 55 17 3.1 6.9
MAR
11... 0930 7200 143 7.4 4.0 726 12.4 49 15 2.9 6.2
APR
22... 1045 1370 205 8.2 9.0 722 13.8 79 24 4.5 7.2
MAY
07... 0930 2700 196 8.0 12.0 737 10.2 78 24 4.3 7.5
JUN
25... 1015 588 253 8.1 24.0 731 7.1 100 32 5.8 8.8
JUL
31... 1000 160 317 7.2 21.5 741 7.2 130 39 7.2 12
AUG
21... 0940 338 296 8.0 20.0 724 7.8 120 36 6.8 9.1
SEP
30... 0945 725 298 7.7 16.0 717 7.4 120 35 6.6 11
FRENCH CREEK BASIN
03024000 FRENCH CREEK AT UTICA, PA--Continued
WATER-QUALITY DATA, WATER YEAR OCTOBER 1996 TO SEPTEMBER 1997
ALKA- SOLIDS, NITRO- NITRO- NITRO- NITRO-
POTAS- LINITY CHLO- FLUO- SILICA, RESIDUE GEN, GEN, GEN, GEN,AM-
SIUM, WAT DIS SULFATE RIDE, RIDE, DIS- AT 180 NITRITE NO2+NO3 AMMONIA MONIA +
DIS- TOT IT DIS- DIS- DIS- SOLVED DEG. C DIS- DIS- DIS- ORGANIC
SOLVED FIELD SOLVED SOLVED SOLVED (MG/L DIS- SOLVED SOLVED SOLVED TOTAL
DATE (MG/L MG/L AS (MG/L (MG/L (MG/L AS SOLVED (MG/L (MG/L (MG/L (MG/L
AS K) CACO3 AS SO4) AS CL) AS F) SIO2) (MG/L) AS N) AS N) AS N) AS N)
(00935) (39086) (00945) (00940) (00950) (00955) (70300) (00613) (00631) (00608) (00625)
OCT
29... 1.8 71 13 11 <0.10 5.0 110 0.020 0.490 0.020 0.30
NOV
15... -- 64 -- -- -- -- -- <0.010 0.540 0.020 0.40
DEC
06... 1.5 47 12 11 <0.10 4.4 94 0.020 0.590 0.030 0.30
JAN
15... 1.4 67 16 14 1.6 4.8 134 0.014 0.937 0.057 0.26
FEB
26... 0.94 40 12 12 <0.10 3.7 88 0.020 0.820 0.090 0.30
MAR
11... 0.90 39 11 11 <0.10 3.4 80 <0.010 0.680 0.030 0.50
APR
22... 1.3 62 14 14 <0.10 0.98 115 <0.010 0.436 0.019 0.24
MAY
07... 1.1 58 13 14 <0.10 1.8 108 0.012 0.349 <0.015 0.40
JUN
25... 1.4 86 12 14 0.12 1.3 151 0.015 0.531 <0.015 0.29
JUL
31... 1.8 108 16 19 <0.10 2.6 182 <0.010 0.496 0.018 0.36
AUG
21... 1.8 110 15 17 <0.10 3.4 174 0.030 0.644 0.050 0.28
SEP
30... 2.2 109 19 20 <0.10 2.2 170 0.022 0.541 0.070 0.55
NITRO- PHOS- CARBON, SED.
GEN,AM- PHOS- PHORUS MANGA- CARBON, ORGANIC SUSP.
MONIA + PHOS- PHORUS ORTHO, IRON, NESE, ORGANIC SUS- SEDI- SIEVE
ORGANIC PHORUS DIS- DIS- DIS- DIS- DIS- PENDED MENT, DIAM.
DIS. TOTAL SOLVED SOLVED SOLVED SOLVED SOLVED TOTAL SUS- % FINER
DATE (MG/L (MG/L (MG/L (MG/L (µG/L (µG/L (MG/L (MG/L PENDED THAN
AS N) AS P) AS P) AS P) AS FE) AS MN) AS C) AS C) (MG/L) .062 MM
(00623) (00665) (00666) (00671) (01046) (01056) (00681) (00689) (80154) (70331)
OCT
29... 0.40 0.030 0.010 0.010 72 25 4.2 0.40 9 94
NOV
15... <0.20 0.020 0.020 0.010 -- -- 4.2 0.40 8 89
DEC
06... 0.20 0.040 <0.010 <0.010 70 18 3.0 0.50 7 76
JAN
15... 0.22 <0.010 <0.010 <0.010 74 39 2.0 0.20 3 50
FEB
26... <0.20 0.020 <0.010 <0.010 49 14 2.5 0.40 23 90
MAR
11... <0.20 0.090 <0.010 <0.010 47 9.0 3.4 0.80 65 87
APR
22... <0.20 0.018 <0.010 <0.010 130 35 2.9 0.60 3 83
MAY
07... <0.20 0.016 <0.010 <0.010 140 34 3.7 >2.0 29 65
JUN
25... 0.25 0.029 0.033 0.013 130 27 4.0 0.60 21 76
JUL
31... 0.20 0.035 0.035 0.020 21 25 3.0 0.20 8 76
AUG
21... 0.21 0.032 <0.010 0.024 17 21 -- -- 9 58
SEP
30... 0.42 0.074 0.063 0.039 50 16 3.9 1.0 21 28
KISKIMINETAS RIVER BASIN
03040000 STONYCREEK RIVER AT FERNDALE, PA
(National water-quality assessment station)
LOCATION.--Lat 40`17'08", long 78`55'15", Cambria County, Hydrologic unit 05010007, on right bank 50 ft upstream
from highway bridge at Ferndale, 0.4 mi downstream from Bens Creek, 1.2 mi upstream from Johnstown city limits,
and 5.2 mi upstream from confluence with Little Conemaugh River.
DRAINAGE AREA.--451 mi2.
WATER-DISCHARGE RECORDS
PERIOD OF RECORD.--October 1913 to March 1936, October 1938 to current year. Monthly discharge only for some
periods, published in WSP 1305. Monthly figures adjusted for storage and diversion for October 1918 to
September 1921, published in WSP 503, 523, have been found in error and should not be used. Published as "at
Johnstown" 1914-36, and as "Stony Creek at Ferndale" 1938-79. Gage-height records collected in this vicinity
since 1885 are contained in reports of U.S. Weather Bureau.
REVISED RECORDS.--WSP 743: Drainage area. WSP 1305: 1915, 1918, 1923-26. WSP 1435: 1920-21, 1932,
1941 (M), 1943 (M), 1945-46 (M). WDR PA-78-3: 1977 (M). See also PERIOD OF RECORD.
GAGE.--Water-stage recorder. Datum of gage is 1,184.06 ft above sea level. Prior to Mar. 19, 1936, nonrecording
gage at site 3.5 mi downstream at different datum. Dec. 8, 1938 to Jan. 30, 1940, nonrecording gage at site
50 ft downstream at present datum.
REMARKS.--Records good except for estimated daily discharges, which are fair. Regulation by mine pumpage and
reservoirs and diversion above station; the four largest reservoirs have a combined capacity of 42,360 acre-ft.
Figures of daily discharge do not include diversion from Stonycreek River and Quemahoning Creek Reservoir to
plants of Bethlehem Steel Co., and from Mill Creek, Dalton Run, and North Fork Bens Creek Reservoirs for water
supply of city of Johnstown. Several measurements of water temperature were made during the year. U.S. Army
Corps of Engineers satellite telemeter at station.
DISCHARGE, CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1996 TO SEPTEMBER 1997
DAILY MEAN VALUES
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
1 837 516 2220 770 637 1170 1090 337 1640 250 93 236
2 737 470 4500 737 658 2500 934 290 4070 291 91 232
3 e700 426 2670 731 724 2550 830 307 e3300 245 87 227
4 e660 393 1930 748 837 e1900 771 346 e2900 211 88 222
5 e620 369 1540 749 2050 e2400 729 331 e2300 190 104 220
6 e580 349 e1400 705 1760 3540 684 322 e1800 176 109 217
7 e560 345 e1200 597 1200 2630 626 335 e1400 171 102 216
8 e540 2220 e1050 510 1000 2060 542 318 e1050 160 90 216
9 e520 3950 e960 512 838 1760 508 385 e900 163 93 217
10 e570 2550 e840 542 721 1870 480 555 e800 303 86 222
11 489 1770 e1100 453 e600 1680 459 619 674 290 85 271
12 437 1330 2860 401 e520 1410 461 558 611 280 182 263
13 409 1080 3700 359 e470 1190 573 497 1110 275 326 234
14 397 933 2880 357 e440 1630 503 479 1110 276 180 221
15 384 805 2050 337 e420 1990 412 472 746 275 152 216
16 369 706 1610 e310 e400 1460 368 404 597 277 141 183
17 326 641 1380 e290 e370 1220 365 370 550 272 182 86
18 257 623 1190 e270 e400 1130 401 360 503 260 434 96
19 1720 630 1050 e250 e1100 1300 384 1400 558 276 291 80
20 3090 577 890 e250 e3000 1180 363 1510 493 270 411 221
21 2070 515 749 e240 3010 1030 332 1120 e370 239 578 250
22 1900 469 713 e230 3470 927 314 835 e330 119 418 242
23 1770 434 721 e300 2550 824 306 677 e300 144 339 237
24 1420 407 876 e430 1890 748 302 583 291 186 298 264
25 1140 394 972 e400 1490 703 285 5230 268 174 281 267
26 950 642 758 e380 1270 2750 262 9490 265 137 279 265
27 837 745 703 e350 1240 2310 248 3550 264 121 265 262
28 842 546 738 e800 1220 1580 381 2160 237 127 304 304
29 836 477 868 1010 --- 1350 410 1660 221 121 265 1270
30 721 501 1100 773 --- 1220 352 1490 213 105 250 599
31 598 --- 896 636 --- 1180 --- 1340 --- 98 244 ---
TOTAL 27286 25813 46114 15427 34285 51192 14675 38330 29871 6482 6848 8056
MEAN 880 860 1488 498 1224 1651 489 1236 996 209 221 269
MAX 3090 3950 4500 1010 3470 3540 1090 9490 4070 303 578 1270
MIN 257 345 703 230 370 703 248 290 213 98 85 80
CFSM 1.95 1.91 3.30 1.10 2.71 3.66 1.08 2.74 2.21 .46 .49 .60
IN. 2.25 2.13 3.80 1.27 2.83 4.22 1.21 3.16 2.46 .53 .56 .66
e Estimated.
KISKIMINETAS RIVER BASIN
03040000 STONYCREEK RIVER AT FERNDALE, PA--Continued
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1939 - 1997, BY WATER YEAR (WY)
OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
MEAN 246 405 687 769 1034 1621 1345 832 499 265 180 191
MAX 1514 2099 2162 1929 2575 3581 3426 1792 1773 874 1098 1449
(WY) 1977 1986 1973 1952 1986 1994 1993 1978 1972 1977 1979 1996
MIN 13.6 20.4 48.4 137 262 367 336 186 77.4 28.4 26.3 18.9
(WY) 1964 1954 1954 1977 1963 1990 1946 1941 1965 1965 1957 1943
SUMMARY STATISTICS FOR 1996 CALENDAR YEAR FOR 1997 WATER YEAR WATER YEARS 1939 - 1997
ANNUAL TOTAL 442298 304379
ANNUAL MEAN 1208 834 673
HIGHEST ANNUAL MEAN 1044 1996
LOWEST ANNUAL MEAN 280 1954
HIGHEST DAILY MEAN e15200 Jan 19 9490 May 26 15900 Jun 23 1972
LOWEST DAILY MEAN 120 Sep 3 80 Sep 19 11 Sep 26 1959
ANNUAL SEVEN-DAY MINIMUM 142 Aug 30 95 Jul 30 12 Oct 5 1963
INSTANTANEOUS PEAK FLOW 17100 May 25 a59000 Mar 18 1936
INSTANTANEOUS PEAK STAGE 11.96 May 25 b30.26 Mar 18 1936
INSTANTANEOUS LOW FLOW 76 Sep 19,20 c5.0 Sep 8 1929
ANNUAL RUNOFF (CFSM) 2.68 1.85 1.49
ANNUAL RUNOFF (INCHES) 36.48 25.11 20.28
10 PERCENT EXCEEDS 2590 1900 1600
50 PERCENT EXCEEDS 796 515 330
90 PERCENT EXCEEDS 280 212 57
a From rating curve extended above 13,000 ft3/s on the basis of slope-area and contracted-opening measurement
of peak flow.
b From highwater mark, site and datum then in use.
c Minimum observed.
e Estimated.
KISKIMINETAS RIVER BASIN
03040000 STONYCREEK RIVER AT FERNDALE, PA--Continued
(National Water-Quality Assessment station)
WATER-QUALITY RECORDS
PERIOD OF RECORD.--October 1975 to September 1981, September 1992 to May 1994, April 1996 to current year.
PERIOD OF DAILY RECORD.--
SPECIFIC CONDUCTANCE: July 1997 to September 1997.
pH: July 1997 to September 1997.
WATER TEMPERATURE: January 1978 to September 1979, November 1996 to current year.
SUSPENDED SEDIMENT DISCHARGE: February 1977 to September 1979.
INSTRUMENTATION.--From January 1978 to September 1979, water temperatures were once daily readings by an observer
and suspended sediment samples were collected daily and more often during storm events by an observer. From
November 1996 to current year, daily records of water temperature, specific conductance and pH were measured
and collected at hourly intervals with in-situ probes and electronic data loggers.
REMARKS.--All water-quality samples were collected and analyzed by the U.S. Geological Survey except those
furnished tby the Pennsylvania Department of Environmental Resources as noted. Interruptions in the daily
record were due to frozen river conditions or malfunctions of the equipment. Additional sites in the (NAWQA)
fixed-station network are shown in figure 6 on page 28. An explanation of selected abbreviations used in the
water-quality tables are given on pages 29-31.
EXTREMES FOR PERIOD OF DAILY RECORD.--
WATER TEMPERATURES: Maximum, 27.5`C, July 3, 1997; minimum, 0.0`C, many days during winter period.
SEDIMENT CONCENTRATIONS: Maximum daily, 2,800 µg/L, June 17, 1978; minimum daily, 2 µg/L,
September 9, 10, 11, 1978.
SEDIMENT DISCHARGES: Maximum daily, 20,900 tons, March 5, 1979; minimum daily, 0.44 ton,
September 10, 11, 1978
EXTREMES FOR CURRENT YEAR.--
WATER TEMPERATURES: Maximum, 27.5`C, June 25, July 3 and 29, 1997; minimum, 0.0`C, on many days during winter
periods.
WATER-QUALITY DATA, WATER YEAR OCTOBER 1996 TO SEPTEMBER 1997
DIS- PH BARO-
CHARGE, SPE- WATER METRIC HARD- ACIDITY MAGNE-
INST. CIFIC WHOLE PRES- NESS TOTAL CALCIUM SIUM, SODIUM,
CUBIC CON- FIELD TEMPER- SURE OXYGEN, TOTAL HEATED DIS- DIS- DIS-
FEET DUCT- (STAND- ATURE (MM DIS- (MG/L (MG/L SOLVED SOLVED SOLVED
DATE TIME PER ANCE ARD WATER OF SOLVED AS AS (MG/L (MG/L (MG/L
SECOND (µS/CM) UNITS) (DEG C) HG) (MG/L) CACO3) CACO3) AS CA) AS MG) AS NA)
(00061) (00095) (00400) (00010) (00025) (00300) (00900) (70508) (00915) (00925) (00930)
OCT
22... 1030 2000 277 6.9 9.5 725 10.6 94 4.0 23 8.8 7.1
NOV
18... 1000 631 393 6.3 5.0 729 11.6 150 13 38 13 10
DEC
11... 1100 822 387 6.4 4.0 722 12.8 140 8.4 33 13 13
JAN
16... 1015 420 485 6.0 0.5 716 14.3 170 16 42 17 9.3
FEB
19... 1045 940 450 6.6 3.5 729 12.6 150 9.6 38 14 22
MAR
24... 1200 743 378 6.3 5.0 742 12.8 150 12 36 14 11
APR
14... 1100 501 443 6.4 7.0 730 11.6 170 11 41 17 13
MAY
15... 1015 496 441 6.8 11.0 719 10.4 170 6.0 43 16 14
26... 0930 9980 187 7.1 13.0 727 10.5 64 3.2 17 5.4 5.6
JUN
10... 1030 774 355 6.8 14.5 733 9.3 140 4.0 34 13 7.9
JUL
01... 1145 191 657 6.1 21.0 727 8.7 290 10 72 26 12
AUG
06... 1045 100 988 5.9 20.0 730 9.7 450 7.6 120 40 26
SEP
03... 1225 208 612 7.1 20.0 729 10.6 240 3.8 64 21 18
17... 1315 66 598 6.5 20.0 730 9.5 260 6.8 66 24 12
KISKIMINETAS RIVER BASIN
03040000 STONYCREEK RIVER AT FERNDALE, PA--Continued
WATER-QUALITY DATA, WATER YEAR OCTOBER 1996 TO SEPTEMBER 1997
ALKA- SOLIDS, NITRO- NITRO- NITRO- NITRO-
POTAS- LINITY CHLO- FLUO- SILICA, RESIDUE GEN, GEN, GEN, GEN,AM-
SIUM, WAT DIS SULFATE RIDE, RIDE, DIS- AT 180 NITRITE NO2+NO3 AMMONIA MONIA +
DIS- TOT IT DIS- DIS- DIS- SOLVED DEG. C DIS- DIS- DIS- ORGANIC
SOLVED FIELD SOLVED SOLVED SOLVED (MG/L DIS- SOLVED SOLVED SOLVED TOTAL
DATE (MG/L MG/L AS (MG/L (MG/L (MG/L AS SOLVED (MG/L (MG/L (MG/L (MG/L
AS K) CACO3 AS SO4) AS CL) AS F) SIO2) (MG/L) AS N) AS N) AS N) AS N)
(00935) (39086) (00945) (00940) (00950) (00955) (70300) (00613) (00631) (00608) (00625)
OCT
22... 1.9 8 98 7.6 <0.10 5.6 174 0.020 0.610 0.070 0.30
NOV
18... 1.5 6 150 7.3 0.10 6.8 239 <0.010 0.680 0.150 0.30
DEC
11... 1.5 7 130 21 0.10 6.4 236 0.020 0.820 0.210 0.30
JAN
16... 1.5 4 190 12 <0.10 6.6 298 <0.010 0.610 0.110 0.30
FEB
19... 1.8 14 140 34 0.10 5.8 277 0.010 0.920 0.150 0.40
MAR
24... 1.4 17 140 12 <0.10 5.9 261 <0.010 0.810 0.130 0.20
APR
14... 1.7 6 180 13 0.12 6.0 297 <0.010 0.460 0.180 0.20
MAY
15... 1.7 8 170 12 0.10 5.4 289 <0.010 0.579 0.244 0.29
26... 1.5 9 50 8.5 <0.10 4.7 96 <0.010 1.00 0.087 0.49
JUN
10... 1.5 6 140 7.9 <0.10 6.0 225 <0.010 0.592 0.102 0.24
JUL
01... 2.0 4 290 9.6 0.17 8.0 480 <0.010 0.377 0.218 0.29
AUG
06... 2.7 2 480 13 0.17 8.2 797 0.021 0.574 0.421 0.64
SEP
03... 2.3 10 240 13 0.13 5.2 405 0.019 0.893 0.137 0.24
17... 2.4 5 260 13 0.18 7.1 419 <0.010 0.730 0.389 0.54
NITRO- PHOS- CARBON, SED.
GEN,AM- PHOS- PHORUS ALUM- MANGA- CARBON, ORGANIC SUSP.
MONIA + PHOS- PHORUS ORTHO, INUM, IRON, NESE, ORGANIC SUS- SEDI- SIEVE
ORGANIC PHORUS DIS- DIS- DIS- DIS- DIS- DIS- PENDED MENT, DIAM.
DIS. TOTAL SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED TOTAL SUS- % FINER
DATE (MG/L (MG/L (MG/L (MG/L (µG/L (µG/L (µG/L (MG/L (MG/L PENDED THAN
AS N) AS P) AS P) AS P) AS AL) AS FE) AS MN) AS C) AS C) (MG/L) .062 MM
(00623) (00665) (00666) (00671) (01106) (01046) (01056) (00681) (00689) (80154) (70331)
OCT
22... <0.20 0.040 0.010 <0.010 19 230 650 1.8 2.0 12 72
NOV
18... 0.20 0.010 <0.010 <0.010 40 990 1100 1.2 0.70 12 98
DEC
11... 0.20 0.020 <0.010 <0.010 27 740 1100 1.1 0.90 6 90
JAN
16... <0.20 0.020 <0.010 <0.010 164 1000 1400 0.80 1.4 29 42
FEB
19... <0.20 0.050 <0.010 <0.010 16 440 960 1.1 0.70 22 77
MAR
24... <0.20 0.030 <0.010 <0.010 29 600 900 0.90 0.30 11 46
APR
14... <0.20 <0.010 <0.010 <0.010 27 480 1070 1.1 0.70 10 51
MAY
15... 0.31 <0.010 <0.010 <0.010 21 310 928 1.0 0.90 8 66
26... 0.23 0.073 <0.010 <0.010 58 59 310 2.9 -- 63 73
JUN
10... <0.20 <0.010 <0.010 <0.010 19 290 713 1.1 0.80 5 87
JUL
01... 0.29 <0.010 <0.010 <0.010 54 290 1470 1.1 0.30 4 71
AUG
06... 0.48 0.011 <0.010 <0.010 168 210 1830 1.1 0.40 4 29
SEP
03... 0.34 <0.010 0.018 <0.010 42 83 948 1.2 0.30 4 61
17... 0.38 0.017 <0.010 <0.010 23 570 886 -- -- 3 83
KISKIMINETAS BASIN
03040000 STONYCREEK RIVER AT FERNDALE, PA--Continued
REMARKS.--The following data are for dissolved trace elements in surface water filtered through a 0.45mm filter.
WATER-QUALITY DATA, WATER YEAR OCTOBER 1996 TO SEPTEMBER 1997
DIS-
CHARGE, BERYL- CHRO-
INST. ARSENIC BARIUM, LIUM, CADMIUM MIUM, COBALT, COPPER,
CUBIC DIS- DIS- DIS- DIS- DIS- DIS- DIS-
FEET SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED
DATE TIME PER (µG/L (µG/L (µG/L (µG/L (µG/L (µG/L (µG/L
SECOND AS AS) AS BA) AS BE) AS CD) AS CR) AS CO) AS CU)
(00061) (01000) (01005) (01010) (01025) (01030) (01035) (01040)
MAY
15... 1015 496 <1 35 <1.0 <1.0 <1.0 25 <1.0
SEP
17... 1315 66 <1 36 <1.0 <1.0 <1.0 53 4.2
MOLYB- ANTI- SELE- URANIUM
LEAD, DENUM, NICKEL, SILVER, ZINC, MONY, NIUM, NATURAL
DIS- DIS- DIS- DIS- DIS- DIS- DIS- DIS-
SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED
DATE (µG/L (µG/L (µG/L (µG/L (µG/L (µG/L (µG/L (µG/L
AS PB) AS MO) AS NI) AS AG) AS ZN) AS SB) AS SE) AS U)
(01049) (01060) (01065) (01075) (01090) (01095) (01145) (22703)
MAY
15... <1.0 <1.0 41 <1.0 76 <1.0 <1 <1.0
SEP
17... <1.0 <1.0 79 <1.0 184 <1.0 <1 <1.0
KISKIMINETAS RIVER BASIN
03040000 STONYCREEK RIVER AT FERNDALE, PA--Continued
REMARKS.--The following data are for trace elements and other constituents that were part of the suspended-
sediment fraction of the water sample. Suspended sediments were dewatered using a continuous flow centrifuge,
dried, and analyzed directly for total metals using a nitric, hydrofluoric, perchloric acid digestion. Whole
water contributions by the suspended sediment were then calculated using the suspended-sediment concentration
in kilograms per liter (kg/L) and the analyte concentration in milligrams per kilogram (µg/kg) from the direct
analysis of the suspended sediments, resulting in micrograms per gram (µg/g) concentrations. Values reported
in percent are the percent of that constituent in the suspended sediment. When no trace element was detected
in the sample, the default reporting value is the method detection limit preceded by a less-than sign (<).
WATER-QUALITY DATA, WATER YEAR OCTOBER 1996 TO SEPTEMBER 1997
DIS- SEDI-
CHARGE, MENT
INST. SUSP., AN- BERYL- CARBON,
CUBIC FLOW- ALUM- TIMONY ARSENIC BARIUM LIUM CADMIUM CARBON ORGANIC
FEET THROUGH INUM SED. SED. SED. SED. SED. SED. SUS-
DATE TIME PER CENTRIF SED,SUS SUSP. SUSP. SUSP. SUSP. SUSP. SUSP. PENDED
SECOND (MG/L) PERCENT (mG/G) (mG/G) (mG/G) (mG/G) (mG/G) PERCENT PERCENT
(00061) (50279) (30221) (29816) (29818) (29820) (29822) (29826) (30244) (50465)
MAY
15... 1015 496 10 8.8 1 6 150 27 1.6 7.0 7.0
SEP
17... 1315 66 10 11 1 6 69 41 0.6 4.9 5.0
CHRO- COBALT IRON LITHIUM MAN- MOLYB-
MIUM SEDI- COPPER SEDI- LEAD SEDI- GANESE MERCURY DENUM NICKEL
SED. MENT SED. MENT SED. MENT SED. SED. SED. SED.
DATE SUSP. SUSP. SUSP. SUSP. SUSP. SUSP. SUSP. SUSP. SUSP. SUSP.
(mG/G) (mG/G) (mG/G) PERCENT (mG/G) (mG/G) (mG/G) (mG/G) (mG/G) (mG/G)
(29829) (35031) (29832) (30269) (29836) (35050) (29839) (29841) (29843) (29845)
MAY
15... 53 120 130 9.1 31 22 2800 .12 <25 150
SEP
17... 21 47 170 10 25 24 1300 .06 5 84
PHOS- STRON- TITA-
PHORUS SELE- TIUM SULFUR NIUM URANIUM VANA-
SEDI- NIUM SILVER SEDI- SEDI- THAL- SEDI- SEDI- DIUM ZINC
MENT SED. SED. MENT MENT LIUM MENT MENT SED. SED.
DATE SUSP. SUSP. SUSP. SUSP. SUSP. SUS SED SUSP. SUSP. SUSP. SUSP.
PERCENT (mG/G) (mG/G) (mG/G) PERCENT (mG/G) PERCENT (mG/G) (mG/G) (mG/G)
(30292) (29847) (29850) (35040) (30308) (49955) (30317) (35046) (29853) (29855)
MAY
15... 2900 2 <3 120 4.7 <250 .090 <250 28 1100
SEP
17... 2800 2 <1 120 6.1 <50 .040 <50 8 760
OHIO RIVER MAIN STEM
03049500 ALLEGHENY RIVER AT NATRONA, PA
(National water-quality assessment station)
LOCATION.--Lat 40`36'55", long 79`43'07", Allegheny County, Hydrologic Unit 05010009, on right bank 520 ft
upstream from dam at lock 4 at Natrona, 5.8 mi downstream from Kiskiminetas River, at mile 24.3.
DRAINAGE AREA.--11,410 mi2, approximately.
WATER-DISCHARGE RECORDS
PERIOD OF RECORD.--October 1938 to current year.
REVISED RECORDS.--WSP 1435: 1939.
GAGE.--Water-stage recorder and concrete dam control. Datum of gage is 736.36 ft above sea level (U.S. Army Corps
of Engineers bench mark). Prior to Apr. 14, 1940, nonrecording gage and Apr. 15, 1940 to Oct. 22, 1990, water-
stage recorder at same site at datum 0.75 ft higher.
REMARKS.--No estimated daily discharges. Records good. Flow regulated by Allegheny Reservoir, Chautauqua and
Tionesta Lakes, Union City Reservoir, Woodcock Creek, East Branch Clarion River, Mahoning Creek, Crooked Creek,
Yellow Creek, Conemaugh River, Loyalhanna Lake, and by 15 smaller reservoirs, combined capacity, excluding that
of Chautauqua Lake, 2,069,000 acre-ft. Slight diversion since 1952 from Beaver Run Reservoir into the
Monongahela River Basin. Several measurements of water temperature were made during the year. U.S. Army Corps
of Engineers satellite telemeter at station.
EXTREMES OUTSIDE PERIOD OF RECORD.--Flood of Mar. 18, 1936 reached a stage of 32.06 ft, discharge, 365,000 ft3/s,
determined by U.S. Army Corps of Engineers.
DISCHARGE, CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1996 TO SEPTEMBER 1997
DAILY MEAN VALUES
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
1 39200 30800 39400 26600 25600 58100 33600 20000 25300 10800 4580 4990
2 34400 27800 57800 23600 23200 52900 31100 17600 27000 11800 4450 4990
3 31200 25500 54100 21300 21700 55700 27700 16700 35000 15000 4010 3240
4 28000 23100 53200 22300 23100 51600 25600 17400 41600 10200 3730 4240
5 23900 20700 54200 22400 34600 46800 23900 19300 39100 8480 4310 4240
6 20100 19600 50800 25700 46700 63800 21800 18200 35400 7640 4040 4000
7 17900 21800 45400 29600 46400 66600 18900 20300 32500 7000 3660 4930
8 13300 30100 38300 26200 43000 61400 16500 20200 27500 5800 4220 4070
9 12200 62000 34200 24400 37700 61600 16500 20900 25200 6340 3240 3720
10 11300 64900 33100 22500 28700 59500 15300 20600 23800 5700 3800 4770
11 10600 62400 30800 20900 26400 62200 12500 20600 21000 6980 3800 4770
12 11700 63000 41900 16700 21900 59100 12000 20600 18100 9500 3240 6540
13 11000 64000 45200 11100 18500 53400 18700 20400 19400 11300 4400 5300
14 10400 58700 48600 11200 16100 51600 25800 19300 19200 10900 5600 5380
15 10100 55900 47200 9320 17000 62600 24000 18200 17400 8540 6190 5160
16 9140 48600 41900 10800 14800 56300 21900 17100 12900 6650 6190 4780
17 7870 41400 40800 10200 12900 49600 19500 16400 14300 6010 7440 4630
18 7610 36600 39600 8370 13200 45000 19200 16200 13200 6230 13000 3680
19 16100 34600 36900 7140 16300 41600 17600 19400 16500 5620 11300 4480
20 41600 33300 32800 7640 24800 38400 15800 29300 17800 4510 10500 4850
21 45300 31600 27200 8970 37500 35400 14500 38500 17800 3860 11300 5690
22 46200 28200 25600 9820 50100 33700 13600 36200 16000 5140 e9000 4430
23 53300 26400 21800 14100 63200 33700 14100 33000 13700 4820 e7000 5000
24 52900 23100 21800 19900 56500 29500 13800 31000 12000 4480 e5800 4790
25 50400 20500 27500 24500 53000 27900 15200 39400 11000 4520 e5200 4210
26 47300 24400 31600 30200 48400 30400 16100 43400 11100 4860 e6600 3900
27 41700 36900 30300 31300 46000 39100 14900 36200 16800 3530 e6200 4120
28 37200 35700 29000 31700 66800 40600 14700 41800 16600 3950 e5600 4050
29 33500 37300 27100 29700 --- 37000 20400 43100 14800 4500 6810 6090
30 32300 33500 28600 28000 --- 33700 20100 36900 12300 4640 4990 11800
31 31900 --- 28100 27100 --- 33300 --- 30100 --- 3870 3800 ---
TOTAL 839620 1122400 1164800 613260 934100 1472100 575300 798300 624300 213170 184000 146840
MEAN 27080 37410 37570 19780 33360 47490 19180 25750 20810 6876 5935 4895
MAX 53300 64900 57800 31700 66800 66600 33600 43400 41600 15000 13000 11800
MIN 7610 19600 21800 7140 12900 27900 12000 16200 11000 3530 3240 3240
CFSM 2.37 3.28 3.29 1.73 2.92 4.16 1.68 2.26 1.82 .60 .52 .43
IN. 2.74 3.66 3.80 2.00 3.05 4.80 1.88 2.60 2.04 .69 .60 .48
OHIO RIVER MAIN STEM
03049500 ALLEGHENY RIVER AT NATRONA, PA--Continued
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1939 - 1997, BY WATER YEAR (WY)
OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
MEAN 9912 16700 24210 24600 27450 39180 35560 23010 14890 9230 6702 7005
MAX 34470 45230 48690 68600 53390 87030 83780 48400 45820 34630 23020 22690
(WY) 1991 1986 1978 1952 1976 1945 1940 1943 1989 1972 1956 1990
MIN 1227 2686 2316 4520 7167 10410 9000 6129 3759 1944 1786 1444
(WY) 1964 1954 1961 1961 1963 1969 1946 1941 1991 1966 1962 1939
SUMMARY STATISTICS FOR 1996 CALENDAR YEAR FOR 1997 WATER YEAR WATER YEARS 1939 - 1997
ANNUAL TOTAL 10536350 8688190
ANNUAL MEAN 28790 23800 19830
HIGHEST ANNUAL MEAN 27810 1956
LOWEST ANNUAL MEAN 13540 1963
HIGHEST DAILY MEAN 166000 Jan 20 66800 Feb 28 206000 Dec 31 1942
LOWEST DAILY MEAN 3640 Sep 3 3240 Aug 9,12a 949 Oct 26 1963
ANNUAL SEVEN-DAY MINIMUM 4050 Aug 29 3710 Aug 6 1030 Oct 25 1963
INSTANTANEOUS PEAK FLOW 72800 Feb 28 238000 Dec 30 1942
INSTANTANEOUS PEAK STAGE 16.49 Feb 28 b27.46 Dec 30 1942
INSTANTANEOUS LOW FLOW 985 Oct 22 1963
ANNUAL RUNOFF (CFSM) 2.52 2.09 1.74
ANNUAL RUNOFF (INCHES) 34.35 28.33 23.61
10 PERCENT EXCEEDS 56500 49000 45300
50 PERCENT EXCEEDS 27000 20500 13200
90 PERCENT EXCEEDS 7220 4640 3130
a Also Sept. 3.
b Datum then in use.
OHIO RIVER MAIN STEM
03049625 ALLEGHENY RIVER AT NEW KENSINGTON, PA
(National Water-Quality Assessment station)
WATER-QUALITY RECORDS
LOCATION.--Lat 40`33'52", long 79`46'22", Allegheny County, Hydrologic Unit 05010009, at New Kensington highway
bridge, 5.1 mi downstream from dam at Lock 4 at Natrona, 5.3 mi downstream from gaging station at Natrona,
and at mile 19.0 upstream from mouth.
DRAINAGE AREA.--11,500 mi2.
PERIOD OF RECORD.--July 1972 to December 1973, October 1974 to current year.
PERIOD OF DAILY RECORD.--
SPECIFIC CONDUCTANCE: October 1974 to September 1981.
WATER TEMPERATURE: October 1974 to September 1981 and October 1996 to current year.
SUSPENDED SEDIMENT DISCHARGES: October 1976 to September 1979.
INSTRUMENTATION.--From October 1974 to September 1981, specific conductance and water temperature were once daily
readings by an observer. From October 1976 to September 1979, suspended-sediment samples were collected
daily and more often during storm events by an observer. From October 1996 to current year, daily records of
water temperature were measured and collected at hourly intervals with an in-situ probe and electronic
data logger.
REMARKS.--Records of discharge are given for 03049500 Allegheny River at Natrona, Pa. All water-quality samples
were collected and analyzed by the U.S. Geological Survey. Interruptions in the daily record were due to
malfunctions of the equipment. Additional sites in the (NAWQA) fixed-station network are shown
in figure 6 on page 28. An explanation of selected abbreviations used in the water-quality tables are given
on pages 29-31. Throughout the period of record, samples for this site have been collected at both the New
Kensington highway bridge and the Hulton bridge in Oakmont (6.0 mi. downstream of the New Kensington highway
bridge) due to factors such as bridge construction, highway detours, ice cover, etc. From April 1996 to the
current year, all samples have been collected at the Hulton bridge in Oakmont because this location
is downstream of Deer Creek. Deer Creek near Dorseyville, Pa., is an intensive fixed site for the NAWQA
study unit.
EXTREMES FOR PERIOD OF DAILY RECORD.--
SPECIFIC CONDUCTANCE: Maximum, 440 micromhos, February 20, 1980; minimum 120 micromhos, March 11, 1979.
WATER TEMPERATURE: Maximum, 30.0`C, August 1, 2, 1975; minimum, 0.0`C, on many days during winter period.
SEDIMENT CONCENTRATIONS: Maximum daily, 805 µg/L, January 2, 1979; minimum daily, 1 µg/L, August 4, 5, 1979.
SEDIMENT DISCHARGES: Maximum daily, 192,000 tons, January 2, 1979; minimum daily, 22 tons, August 5, 1979.
EXTREMES FOR CURRENT YEAR.--
WATER TEMPERATURE: Maximum, 28.5`C, July 20, 21; minimum, 0.0`C, on many days during winter period.
WATER-QUALITY DATA, WATER YEAR OCTOBER 1996 TO SEPTEMBER 1997
DIS- PH BARO-
CHARGE, SPE- WATER METRIC HARD- MAGNE-
INST. CIFIC WHOLE PRES- NESS CALCIUM SIUM, SODIUM,
CUBIC CON- FIELD TEMPER- SURE OXYGEN, TOTAL DIS- DIS- DIS-
FEET DUCT- (STAND- ATURE (MM DIS- (MG/L SOLVED SOLVED SOLVED
DATE TIME PER ANCE ARD WATER OF SOLVED AS (MG/L (MG/L (MG/L
SECOND (µS/CM) UNITS) (DEG C) HG) (MG/L) CACO3) AS CA) AS MG) AS NA)
(00061) (00095) (00400) (00010) (00025) (00300) (00900) (00915) (00925) (00930)
OCT
02... 0915 34200 177 7.4 15.5 740 9.4 61 17 4.6 6.8
NOV
06... 0830 19800 210 7.5 8.0 744 11.3 69 19 5.2 8.6
DEC
10... 0915 33600 193 7.4 4.0 736 13.4 66 18 5.2 8.0
JAN
27... 0800 30600 262 7.2 0.5 743 14.8 80 22 6.0 14
FEB
13... 0930 20100 220 6.9 2.0 750 14.0 70 19 5.5 10
MAR
04... 0830 51800 187 7.0 6.0 737 12.4 54 15 4.1 7.2
APR
16... 0900 22600 237 7.5 8.0 740 11.8 81 22 6.5 9.9
MAY
29... 0845 44800 168 6.9 15.0 743 9.5 57 16 4.3 8.1
JUN
27... 0915 16100 233 7.9 25.0 741 7.3 77 21 5.9 9.7
JUL
28... 0845 3920 324 7.6 27.0 740 7.4 110 31 7.8 17
AUG
26... 0845 6620 392 7.5 22.0 741 9.0 150 40 11 20
SEP
09... 0840 2650 365 7.7 22.5 736 8.3 110 31 8.6 19
ALLEGHENY RIVER BASIN
03049625 ALLEGHENY RIVER AT NEW KENSINGTON, PA--Continued
WATER-QUALITY DATA, WATER YEAR OCTOBER 1996 TO SEPTEMBER 1997
ALKA- SOLIDS, NITRO- NITRO- NITRO- NITRO-
POTAS- LINITY CHLO- FLUO- SILICA, RESIDUE GEN, GEN, GEN, GEN,AM-
SIUM, WAT DIS SULFATE RIDE, RIDE, DIS- AT 180 NITRITE NO2+NO3 AMMONIA MONIA +
DIS- TOT IT DIS- DIS- DIS- SOLVED DEG. C DIS- DIS- DIS- ORGANIC
SOLVED FIELD SOLVED SOLVED SOLVED (MG/L DIS- SOLVED SOLVED SOLVED TOTAL
DATE (MG/L MG/L AS (MG/L (MG/L (MG/L AS SOLVED (MG/L (MG/L (MG/L (MG/L
AS K) CACO3 AS SO4) AS CL) AS F) SIO2) (MG/L) AS N) AS N) AS N) AS N)
(00935) (39086) (00945) (00940) (00950) (00955) (70300) (00613) (00631) (00608) (00625)
OCT
02... 1.6 24 38 8.2 0.10 5.6 103 <0.010 0.560 0.030 0.30
NOV
06... 1.6 39 46 10 -- 5.1 122 0.020 0.530 0.080 0.20
DEC
10... 1.2 24 42 10 <0.10 5.3 111 0.020 0.640 0.200 <0.20
JAN
27... 1.5 41 51 20 <0.10 4.9 149 0.010 0.690 0.090 <0.20
FEB
13... 1.2 34 48 15 0.10 5.3 124 0.020 0.810 0.050 <0.20
MAR
04... 1.2 19 31 12 <0.10 4.5 97 <0.010 0.620 0.030 0.30
APR
16... 1.5 28 56 14 0.12 3.3 144 <0.010 0.340 0.030 <0.20
MAY
29... 1.6 18 38 8.7 <0.10 4.4 104 <0.010 0.721 0.037 0.56
JUN
27... 1.8 33 51 12 <0.10 3.0 142 <0.010 0.437 0.025 0.25
JUL
28... 1.8 38 82 17 0.18 3.1 196 0.014 0.592 0.041 <0.20
AUG
26... 2.5 32 110 20 0.11 4.7 250 0.022 0.926 0.043 0.27
SEP
09... 1.9 50 83 19 0.11 2.3 212 0.010 0.586 0.025 0.27
NITRO- PHOS- CARBON, SED.
GEN,AM- PHOS- PHORUS MANGA- CARBON, ORGANIC SUSP.
MONIA + PHOS- PHORUS ORTHO, IRON, NESE, ORGANIC SUS- SEDI- SIEVE
ORGANIC PHORUS DIS- DIS- DIS- DIS- DIS- PENDED MENT, DIAM.
DIS. TOTAL SOLVED SOLVED SOLVED SOLVED SOLVED TOTAL SUS- % FINER
DATE (MG/L (MG/L (MG/L (MG/L (µG/L (µG/L (MG/L (MG/L PENDED THAN
AS N) AS P) AS P) AS P) AS FE) AS MN) AS C) AS C) (MG/L) .062 MM
(00623) (00665) (00666) (00671) (01046) (01056) (00681) (00689) (80154) (70331)
OCT
02... <0.20 0.040 <0.010 <0.010 30 77 3.4 1.5 42 49
NOV
06... <0.20 0.010 <0.010 <0.010 37 240 2.3 0.40 -- --
DEC
10... <0.20 <0.010 <0.010 <0.010 45 210 1.7 0.40 4 83
JAN
27... <0.20 0.020 <0.010 <0.010 37 250 2.1 0.60 14 82
FEB
13... <0.20 0.020 <0.010 <0.010 75 230 1.4 0.20 2 70
MAR
04... <0.20 0.060 <0.010 <0.010 28 140 1.9 1.1 32 89
APR
16... <0.20 <0.010 <0.010 <0.010 51 300 2.1 0.60 9 85
MAY
29... <0.20 0.130 <0.010 <0.010 28 222 3.8 1.7 105 80
JUN
27... <0.20 <0.010 <0.010 <0.010 16 6.4 2.8 0.70 12 81
JUL
28... 0.27 <0.010 0.011 <0.010 3.5 <1.0 2.3 0.30 8 44
AUG
26... <0.20 <0.010 <0.010 <0.010 6.6 164 1.9 0.40 10 83
SEP
09... <0.20 0.021 <0.010 <0.010 6.8 1.2 1.9 <0.20 5 76
MONONGAHELA RIVER BASIN
03070350 CHEAT RIVER NEAR MT. NEBO, WV
(National Water-Quality Assessment station)
LOCATION.--Lat 39`35'40", long 79`44'56", Preston County, Hydrologic Unit 05020004, on left bank 150 ft
upstream of Jenkintown Bridge, 800 ft upstream of Big Sandy Creek, 1.3 mi northeast of the town of Bull Run,
and 2.3 mi west southwest of Mt. Nebo, WV.
DRAINAGE AREA.--1,132 mi2.
WATER-DISCHARGE RECORDS
PERIOD OF RECORD.--October 1996 to current year.
GAGE.--Water-stage recorder. Elevation of gage is 960 ft above sea level, from topographic map.
REMARKS.--Records good except for estimated daily discharges, which are fair. Several measurements of water
temperature were made during the year.
PEAK DISCHARGES FOR CURRENT YEAR.--Peak discharges greater than a base discharge of 22,000 ft3/s and maximum (*):
Discharge Gage height Discharge Gage height
Date Time (ft3/s) (ft) Date Time (ft3/s) (ft)
Nov. 8 Unknown Unknown Unknown Mar. 2 Unknown Unknown Unknown
Dec. 2 1140 *33,500 *14.30
DISCHARGE, CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1996 TO SEPTEMBER 1997
DAILY MEAN VALUES
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
1 1950 e2400 10200 e2500 3360 3700 4680 3420 1900 e760 564 472
2 1400 e2100 25900 e2200 2730 e25000 4260 2680 1770 e620 413 409
3 1220 e1800 13300 e1900 2300 e20000 4030 2240 2550 704 331 365
4 1080 e1600 e6000 e2000 2300 e19000 3610 2060 3520 653 517 331
5 965 e1400 e4700 e1900 4910 e11000 3080 2420 3290 501 1130 293
6 865 e1250 3800 e1800 6150 10500 2620 2230 2270 412 874 266
7 788 e1100 3270 e1600 4520 8890 2240 1800 1690 357 681 249
8 741 e8400 2890 e1400 3590 6160 1850 1560 1360 315 505 241
9 761 e18000 2630 e1250 3010 4810 1540 2240 1170 288 378 282
10 1090 e11000 2260 e1100 2470 4330 1350 1810 1030 405 307 915
11 1480 e7000 2330 e960 2060 4680 1220 2660 901 337 254 878
12 1310 4200 6770 e860 1750 3820 1150 4290 806 308 226 835
13 1090 3450 9640 e760 1460 3090 1240 4780 1350 259 242 707
14 983 2880 9370 e680 1380 2920 1330 4140 1640 233 380 554
15 e820 2450 6290 e620 1580 3800 1290 3600 1450 208 353 453
16 e740 2030 4600 e560 1960 3870 1130 3090 1060 197 336 370
17 e700 1780 3670 e500 1840 3060 1180 2850 946 195 1090 320
18 e620 1780 3010 e470 1630 2700 1420 2670 796 225 4820 296
19 e1000 2750 2520 e440 2080 5490 1720 3000 793 185 2880 275
20 e6400 3880 2080 e460 5520 9740 1880 5850 822 193 1700 282
21 10200 3180 1410 e500 6390 6250 1820 5710 779 161 4660 371
22 11500 2680 1250 e640 6200 4550 1770 4020 671 151 4620 589
23 8230 2210 1480 e1200 5860 3560 1680 2990 e560 196 2670 572
24 e5800 1860 2930 e2000 4110 2880 1540 2330 e480 1050 1580 446
25 3660 1680 5580 e3000 3140 2410 1700 2670 e400 2370 1110 353
26 3000 8800 4750 5650 2580 7030 1780 12700 e640 1510 877 300
27 2600 14100 3560 4360 2310 8480 1800 10600 3170 874 714 264
28 e3100 6890 3000 6420 2180 5350 2760 5620 e2600 614 841 267
29 e4000 4630 2870 9690 --- 4210 5830 3740 e1250 679 688 5190
30 e3400 3800 3220 5770 --- 3750 4420 2860 e850 1550 654 4690
31 e2700 --- e2800 4190 --- 3950 --- 2270 --- 888 550 ---
TOTAL 84193 131080 158080 67380 89370 208980 67920 114900 42514 17398 36945 21835
MEAN 2716 4369 5099 2174 3192 6741 2264 3706 1417 561 1192 728
MAX 11500 18000 25900 9690 6390 25000 5830 12700 3520 2370 4820 5190
MIN 620 1100 1250 440 1380 2410 1130 1560 400 151 226 241
CFSM 2.40 3.86 4.50 1.92 2.82 5.96 2.00 3.27 1.25 .50 1.05 .64
IN. 2.77 4.31 5.19 2.21 2.94 6.87 2.23 3.78 1.40 .57 1.21 .72
e Estimated.
MONONGAHELA RIVER BASIN
03070350 CHEAT RIVER NEAR MT. NEBO, WV--Continued
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1996 - 1997, BY WATER YEAR (WY)
OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
MEAN 2716 4369 5099 2174 3192 6741 2264 3706 1417 561 1192 728
MAX 2716 4369 5099 2174 3192 6741 2264 3706 1417 561 1192 728
(WY) 1997 1997 1997 1997 1997 1997 1997 1997 1997 1997 1997 1997
MIN 2716 4369 5099 2174 3192 6741 2264 3706 1417 561 1192 728
(WY) 1997 1997 1997 1997 1997 1997 1997 1997 1997 1997 1997 1997
SUMMARY STATISTICS FOR 1997 WATER YEAR
ANNUAL TOTAL 1040595
ANNUAL MEAN 2851
HIGHEST DAILY MEAN 25900 Dec 2
LOWEST DAILY MEAN 151 Jul 22
ANNUAL SEVEN-DAY MINIMUM 187 Jul 17
INSTANTANEOUS PEAK FLOW 33500 Dec 2
INSTANTANEOUS PEAK STAGE 14.30 Dec 2
INSTANTANEOUS LOW FLOW 136 Jul 22
ANNUAL RUNOFF (CFSM) 2.52
ANNUAL RUNOFF (INCHES) 34.20
10 PERCENT EXCEEDS 6060
50 PERCENT EXCEEDS 1860
90 PERCENT EXCEEDS 355
MONONGAHELA RIVER BASIN
03070350 CHEAT RIVER NEAR MT. NEBO, WV--Continued
(National Water-Quality Assessment station)
WATER-QUALITY RECORDS
PERIOD OF RECORD.--October 1996 to current year.
PERIOD OF DAILY RECORD.--
SPECIFIC CONDUCTANCE: June 1997 to September 1997.
pH: June 1997 to September 1997.
WATER TEMPERATURE: October 1996 to current year.
INSTRUMENTATION.--Daily record measured and collected at hourly intervals with in-situ probes and electronic data
loggers.
REMARKS.--All water-quality samples were collected and analyzed by the U.S. Geological Survey. Interruptions
in the daily record were due to malfunctions of the equipment. Additional sites in the (NAWQA) fixed-station
network are shown in figure 6 on page 28. An explanation of selected abbreviations used in the water-
quality tables are given on pages 29-31.
EXTREMES FOR CURRENT YEAR.--
WATER TEMPERATURE: Maximum, 30.5`C, June 18; minimum 0.0`C, on several days during winter periods.
WATER-QUALITY DATA, WATER YEAR OCTOBER 1996 TO SEPTEMBER 1997
DIS- PH BARO-
CHARGE, SPE- WATER METRIC HARD- ACIDITY MAGNE-
INST. CIFIC WHOLE PRES- NESS TOTAL CALCIUM SIUM, SODIUM,
CUBIC CON- FIELD TEMPER- SURE OXYGEN, TOTAL HEATED DIS- DIS- DIS-
FEET DUCT- (STAND- ATURE (MM DIS- (MG/L (MG/L SOLVED SOLVED SOLVED
DATE TIME PER ANCE ARD WATER OF SOLVED AS AS (MG/L (MG/L (MG/L
SECOND (µS/CM) UNITS) (DEG C) HG) (MG/L) CACO3) CACO3) AS CA) AS MG) AS NA)
(00061) (00095) (00400) (00010) (00025) (00300) (00900) (70508) (00915) (00925) (00930)
OCT
15... 1415 910 119 6.7 15.0 735 9.1 44 5.4 13 2.9 1.4
NOV
12... 1030 4380 86 7.0 5.0 746 12.4 31 7.0 9.3 2.0 1.0
DEC
03... 1300 12100 67 7.0 6.0 732 12.0 24 6.0 7.0 1.6 0.80
JAN
08... 1215 1570 123 6.5 4.0 742 12.9 42 11 12 2.9 1.6
FEB
04... 1200 2380 105 6.6 4.0 743 11.5 37 -- 11 2.4 1.3
MAR
06... 1130 10300 80 6.6 7.0 732 11.9 28 8.6 8.1 1.9 1.2
APR
07... 1145 2200 103 6.9 13.0 733 10.2 37 3.0 11 2.4 1.3
MAY
12... 1245 6020 73 7.3 10.5 726 11.0 26 1.8 7.8 1.6 1.3
JUN
03... 1500 3050 99 7.2 18.0 735 8.7 35 9.0 10 2.3 1.3
JUL
02... 1240 608 154 7.1 26.0 730 7.3 57 3.0 16 4.1 1.7
AUG
27... 1045 777 124 7.2 22.0 736 8.4 50 2.2 15 3.2 1.7
SEP
15... 1300 450 175 7.3 20.0 740 8.8 70 2.0 20 4.9 2.1
MONONGAHELA RIVER BASIN
03070350 CHEAT RIVER NEAR MT. NEBO, WV--Continued
WATER-QUALITY DATA, WATER YEAR OCTOBER 1996 TO SEPTEMBER 1997
ALKA- SOLIDS, NITRO- NITRO- NITRO- NITRO-
POTAS- LINITY CHLO- FLUO- SILICA, RESIDUE GEN, GEN, GEN, GEN,AM-
SIUM, WAT DIS SULFATE RIDE, RIDE, DIS- AT 180 NITRITE NO2+NO3 AMMONIA MONIA +
DIS- TOT IT DIS- DIS- DIS- SOLVED DEG. C DIS- DIS- DIS- ORGANIC
SOLVED FIELD SOLVED SOLVED SOLVED (MG/L DIS- SOLVED SOLVED SOLVED TOTAL
DATE (MG/L MG/L AS (MG/L (MG/L (MG/L AS SOLVED (MG/L (MG/L (MG/L (MG/L
AS K) CACO3 AS SO4) AS CL) AS F) SIO2) (MG/L) AS N) AS N) AS N) AS N)
(00935) (39086) (00945) (00940) (00950) (00955) (70300) (00613) (00631) (00608) (00625)
OCT
15... 0.90 7 35 1.5 <0.10 4.4 76 0.010 0.240 0.250 0.30
NOV
12... 0.70 15 23 1.3 <0.10 4.6 51 <0.010 0.400 0.100 <0.20
DEC
03... 0.60 7 15 1.2 <0.10 3.8 39 0.010 0.380 0.060 <0.20
JAN
08... 0.70 12 36 1.9 <0.10 4.4 72 0.010 0.440 0.230 0.30
FEB
04... 0.60 8 30 2.0 <0.10 3.9 52 <0.010 0.500 0.200 0.20
MAR
06... 0.70 5 21 1.8 <0.10 3.9 53 <0.010 0.660 0.070 <0.20
APR
07... 0.70 14 31 1.6 <0.10 3.9 63 <0.010 0.380 0.300 0.30
MAY
12... 0.60 8 17 1.5 <0.10 4.1 47 <0.010 0.390 0.068 <0.20
JUN
03... 0.62 11 25 1.7 <0.10 3.9 52 <0.010 0.300 0.272 0.25
JUL
02... 0.95 5 52 1.7 <0.10 4.5 116 <0.010 0.308 0.317 0.42
AUG
27... 0.83 11 37 1.8 <0.10 4.3 81 <0.010 0.329 0.064 <0.20
SEP
15... 1.10 10 60 2.2 <0.10 4.2 108 <0.010 0.309 0.339 0.31
NITRO- PHOS- CARBON, SED.
GEN,AM- PHOS- PHORUS ALUM- MANGA- CARBON, ORGANIC SUSP.
MONIA + PHOS- PHORUS ORTHO, INUM, IRON, NESE, ORGANIC SUS- SEDI- SIEVE
ORGANIC PHORUS DIS- DIS- DIS- DIS- DIS- DIS- PENDED MENT, DIAM.
DIS. TOTAL SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED TOTAL SUS- % FINER
DATE (MG/L (MG/L (MG/L (MG/L (µG/L (µG/L (µG/L (MG/L (MG/L PENDED THAN
AS N) AS P) AS P) AS P) AS AL) AS FE) AS MN) AS C) AS C) (MG/L) .062 MM
(00623) (00665) (00666) (00671) (01106) (01046) (01056) (00681) (00689) (80154) (70331)
OCT
15... 0.30 <0.010 <0.010 <0.010 43 <3.0 130 0.90 0.90 5 80
NOV
12... 0.20 <0.010 <0.010 <0.010 25 180 95 1.2 0.80 4 68
DEC
03... <0.20 0.040 <0.010 <0.010 80 73 69 2.2 1.5 24 68
JAN
08... 0.30 <0.010 <0.010 <0.010 14 210 140 0.70 0.80 6 93
FEB
04... 0.20 <0.010 <0.010 <0.010 -- 130 120 1.9 0.40 6 67
MAR
06... <0.20 <0.010 <0.010 <0.010 36 90 94 1.5 0.70 10 73
APR
07... 0.20 <0.010 <0.010 <0.010 26 31 110 1.0 0.40 6 82
MAY
12... <0.20 <0.010 <0.010 <0.010 60 45 60 1.5 0.50 5 27
JUN
03... 0.27 <0.010 <0.010 <0.010 74 31 81 0.90 0.30 7 78
JUL
02... 0.44 <0.010 <0.010 <0.010 75 8.4 252 1.4 0.40 5 60
AUG
27... 0.21 <0.010 <0.010 <0.010 -- 11 154 2.2 0.80 5 75
SEP
15... 0.31 <0.010 <0.010 <0.010 73 5.0 238 2.3 -- 9 83
MONONGAHELA RIVER BASIN
03070350 CHEAT RIVER NEAR MT. NEBO, WV--Continued
REMARKS.--The following data are for dissolved trace elements in surface water filtered through a 0.45mm filter.
WATER-QUALITY DATA, WATER YEAR OCTOBER 1996 TO SEPTEMBER 1997
DIS-
CHARGE, BERYL- CHRO-
INST. ARSENIC BARIUM, LIUM, CADMIUM MIUM, COBALT, COPPER,
CUBIC DIS- DIS- DIS- DIS- DIS- DIS- DIS-
FEET SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED
DATE TIME PER (µG/L (µG/L (µG/L (µG/L (µG/L (µG/L (µG/L
SECOND AS AS) AS BA) AS BE) AS CD) AS CR) AS CO) AS CU)
(00061) (01000) (01005) (01010) (01025) (01030) (01035) (01040)
MAY
12... 1245 6020 <1 26 <1.0 <1.0 <1.0 2.1 <1.0
SEP
15... 1300 450 <1 40 <1.0 <1.0 <1.0 7.0 1.3
MOLYB- ANTI- SELE- URANIUM
LEAD, DENUM, NICKEL, SILVER, ZINC, MONY, NIUM, NATURAL
DIS- DIS- DIS- DIS- DIS- DIS- DIS- DIS-
SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED
DATE (µG/L (µG/L (µG/L (µG/L (µG/L (µG/L (µG/L (µG/L
AS PB) AS MO) AS NI) AS AG) AS ZN) AS SB) AS SE) AS U)
(01049) (01060) (01065) (01075) (01090) (01095) (01145) (22703)
MAY
12... <1.0 <1.0 3.6 <1.0 6.8 <1.0 <1 <1.0
SEP
15... <1.0 <1.0 12 <1.0 26 <1.0 <1 <1.0
MONONGAHELA RIVER BASIN
03070350 CHEAT RIVER NEAR MT. NEBO, WV--Continued
REMARKS.--The following data are for trace elements and other constituents that were part of the suspended-
sediment fraction of the water sample. Suspended sediments were dewatered using a continuous flow centrifuge,
dried, and analyzed directly for total metals using a nitric, hydrofluoric, perchloric acid digestion. Whole
water contributions by the suspended sediment were then calculated using the suspended-sediment concentration
in kilograms per liter (kg/L) and the analyte concentration in milligrams per kilogram (µg/kg) from the direct
analysis of the suspended sediments, resulting in micrograms per gram (µg/g) concentrations. Values reported
in percent are the percent of that constituent in the suspended sediment. Dashed lines (--) indicate no data
available due to an insufficient amount of sediment in the sample. When no trace element was detected in the
sample, the default reporting value is the method detection limit preceded by a less-than sign (<).
WATER-QUALITY DATA, WATER YEAR OCTOBER 1996 TO SEPTEMBER 1997
DIS- SEDI-
CHARGE, MENT
INST. SUSP., AN- BERYL- CARBON,
CUBIC FLOW- ALUM- TIMONY ARSENIC BARIUM LIUM CADMIUM CARBON ORGANIC
FEET THROUGH INUM SED. SED. SED. SED. SED. SED. SUS-
DATE TIME PER CENTRIF SED,SUS SUSP. SUSP. SUSP. SUSP. SUSP. SUSP. PENDED
SECOND (MG/L) PERCENT (mG/G) (mG/G) (mG/G) (mG/G) (mG/G) PERCENT PERCENT
(00061) (50279) (30221) (29816) (29818) (29820) (29822) (29826) (30244) (50465)
MAY
12... 1245 6020 7 7.5 8 13 460 9 2.5 8.2 9.0
SEP
15... 1300 450 2 12 1 14 190 43 3.4 -- --
CHRO- COBALT IRON LITHIUM MAN- MOLYB-
MIUM SEDI- COPPER SEDI- LEAD SEDI- GANESE MERCURY DENUM NICKEL
SED. MENT SED. MENT SED. MENT SED. SED. SED. SED.
DATE SUSP. SUSP. SUSP. SUSP. SUSP. SUSP. SUSP. SUSP. SUSP. SUSP.
(mG/G) (mG/G) (mG/G) PERCENT (mG/G) (mG/G) (mG/G) (mG/G) (mG/G) (mG/G)
(29829) (35031) (29832) (30269) (29836) (35050) (29839) (29841) (29843) (29845)
MAY
12... 93 160 100 6.7 50 48 4300 .10 <25 140
SEP
15... 62 110 120 12 34 32 1900 .08 <10 190
PHOS- STRON- TITA-
PHORUS SELE- TIUM SULFUR NIUM URANIUM VANA-
SEDI- NIUM SILVER SEDI- SEDI- THAL- SEDI- SEDI- DIUM ZINC
MENT SED. SED. MENT MENT LIUM MENT MENT SED. SED.
DATE SUSP. SUSP. SUSP. SUSP. SUSP. SUS SED SUSP. SUSP. SUSP. SUSP.
PERCENT (mG/G) (mG/G) (mG/G) PERCENT (mG/G) PERCENT (mG/G) (mG/G) (mG/G)
(30292) (29847) (29850) (35040) (30308) (49955) (30317) (35046) (29853) (29855)
MAY
12... 810 2 <3 110 .60 <250 .35 <250 86 1400
SEP
15... 790 2 <1 67 -- <100 .14 <100 43 1800
MONONGAHELA RIVER BASIN
03072000 DUNKARD CREEK AT SHANNOPIN, PA
(National water-quality assessment station)
LOCATION.--Lat 39`45'33", long 79`58'15", Greene County, Hydrologic Unit 05020005, on left bank 1,300 ft
upstream from highway bridge at mine buildings at Shannopin, 1.2 mi north of Dunkard, 3.5 mi upstream from
mouth, and 4 mi southwest of Greensboro.
DRAINAGE AREA.--229 mi2.
WATER-DISCHARGE RECORDS
PERIOD OF RECORD.--October 1940 to current year. Prior to December 1940 monthly discharge only, published in
WSP 1305.
REVISED RECORDS.--WSP 1505: 1955.
GAGE.--Water-stage recorder. Datum of gage is 806.25 ft above sea level (levels by U.S. Army Corps of Engineers).
REMARKS.--Records good except for estimated daily discharges, which are fair. Some regulation at low flow by
mine pumpage above station. Several measurements of water temperature were made during the year. U.S. Army
Corps of Engineers satellite telemeter at station.
PEAK DISCHARGES FOR CURRENT YEAR.--Peak discharges greater than a base discharge of 4,000 ft3/s and maximum (*):
Discharge Gage height Discharge Gage height
Date Time (ft3/s) (ft) Date Time (ft3/s) (ft)
Nov. 8 2100 5,840 9.52 Mar. 3 2400 4,260 8.61
Mar. 2 1600 *12,400 *12.38
DISCHARGE, CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1996 TO SEPTEMBER 1997
DAILY MEAN VALUES
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
1 363 162 1130 423 382 457 485 108 242 26 16 10
2 241 145 2220 358 306 7670 394 101 252 29 15 9.8
3 483 129 1080 318 257 3400 339 96 395 31 12 8.4
4 324 113 676 284 262 e1500 296 117 268 30 12 7.1
5 222 106 502 268 729 e800 254 142 197 24 11 6.2
6 171 101 588 314 702 1360 227 120 145 20 8.6 5.7
7 139 101 649 270 523 985 201 111 111 16 8.6 5.2
8 124 1950 557 231 437 702 169 93 89 15 9.4 5.1
9 117 3160 463 e200 385 544 151 187 75 16 9.6 8.1
10 119 1390 377 e170 328 757 136 320 66 17 8.3 33
11 105 811 342 e160 292 794 123 287 62 17 6.8 17
12 83 553 438 e150 266 584 117 243 61 17 6.5 15
13 70 412 1110 e140 e230 467 163 208 186 16 15 14
14 62 334 773 e135 e215 438 141 172 319 13 26 11
15 65 277 554 e130 e200 477 115 147 126 12 18 10
16 63 229 448 e125 e190 370 103 132 80 12 19 8.6
17 59 203 385 e120 e180 321 110 109 69 13 24 7.8
18 63 196 331 e115 e170 300 114 100 65 13 196 6.9
19 240 227 273 e110 e300 376 102 99 60 14 158 6.1
20 968 229 232 e110 714 401 90 302 56 12 71 8.5
21 1160 203 168 e105 590 363 84 378 50 9.1 75 12
22 782 185 182 e105 517 325 84 218 42 8.2 60 29
23 590 162 174 e100 390 277 84 156 36 12 41 26
24 430 149 195 e100 317 240 83 124 32 15 30 17
25 310 141 301 e350 276 211 85 243 31 19 25 13
26 241 210 259 455 249 e5300 83 1900 31 24 21 10
27 220 381 243 333 255 e1600 74 876 39 19 20 8.4
28 212 326 245 816 225 654 86 452 41 15 16 8.1
29 213 279 325 995 --- 570 134 294 36 15 14 17
30 202 259 688 576 --- 635 125 240 28 17 12 23
31 182 --- 537 448 --- 551 --- 204 --- 17 11 ---
TOTAL 8623 13123 16445 8514 9887 33429 4752 8279 3290 533.3 975.8 367.0
MEAN 278 437 530 275 353 1078 158 267 110 17.2 31.5 12.2
MAX 1160 3160 2220 995 729 7670 485 1900 395 31 196 33
MIN 59 101 168 100 170 211 74 93 28 8.2 6.5 5.1
CFSM 1.21 1.91 2.32 1.20 1.54 4.71 .69 1.17 .48 .08 .14 .05
IN. 1.40 2.13 2.67 1.38 1.61 5.43 .77 1.34 .53 .09 .16 .06
e Estimated.
MONONGAHELA RIVER BASIN
03072000 DUNKARD CREEK AT SHANNOPIN, PA--Continued
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1941 - 1997, BY WATER YEAR (WY)
OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
MEAN 72.9 166 343 432 505 629 464 326 178 88.8 79.7 75.5
MAX 381 1149 1071 1050 1100 1475 1033 903 877 461 890 573
(WY) 1955 1986 1991 1994 1956 1994 1948 1968 1981 1996 1980 1975
MIN 1.73 2.44 7.46 26.5 63.5 112 80.9 57.4 10.2 4.62 2.45 2.39
(WY) 1952 1954 1954 1967 1954 1987 1971 1986 1966 1962 1962 1953
SUMMARY STATISTICS FOR 1996 CALENDAR YEAR FOR 1997 WATER YEAR WATER YEARS 1941 - 1997
ANNUAL TOTAL 182975 108218.1
ANNUAL MEAN 500 296 280
HIGHEST ANNUAL MEAN 462 1994
LOWEST ANNUAL MEAN 104 1954
HIGHEST DAILY MEAN e7200 Jan 19 7670 Mar 2 11200 Mar 5 1963
LOWEST DAILY MEAN 16 Sep 3 5.1 Sep 8 .50 Aug 27 1944
ANNUAL SEVEN-DAY MINIMUM 22 Aug 31 6.5 Sep 3 .73 Aug 25 1944
INSTANTANEOUS PEAK FLOW 12400 Mar 2 17600 Aug 18 1980
INSTANTANEOUS PEAK STAGE 12.38 Mar 2 14.27 Aug 18 1980
INSTANTANEOUS LOW FLOW 4.9 Sep 8,9 .40 Aug 28 1944
ANNUAL RUNOFF (CFSM) 2.18 1.29 1.22
ANNUAL RUNOFF (INCHES) 29.72 17.58 16.59
10 PERCENT EXCEEDS 1180 590 685
50 PERCENT EXCEEDS 240 158 99
90 PERCENT EXCEEDS 55 12 8.1
e Estimated.
MONONGAHELA RIVER BASIN
03072000 DUNKARD CREEK AT SHANNOPIN, PA--Continued
(National Water-Quality Assessment station)
WATER-QUALITY RECORDS
PERIOD OF RECORD.--November 1975 to August 1981, April 1996 to current year.
PERIOD OF DAILY RECORD.--
SPECIFIC CONDUCTANCE: July 1997 to September 1997.
pH: July 1997 to September 1997.
WATER TEMPERATURE: October 1996 to September 1997.
INSTRUMENTATION.--Daily record measured and collected at hourly intervals with in-situ probes and electronic data
loggers.
REMARKS.--All water-quality samples were collected and analyzed by the U.S. Geological Survey except those
furnished by the Pennsylvania Department of Environmental Resources as noted. Interruptions in the daily
record were due to malfunctions of the equipment. Additional sites in the (NAWQA) fixed-station network
are shown in figure 6 on page 28. An explanation of selected abbreviations used in the water-quality
tables are given on pages 29-31.
WATER-QUALITY DATA, WATER YEAR OCTOBER 1996 TO SEPTEMBER 1997
DIS- PH BARO- ACIDITY
CHARGE, SPE- WATER METRIC HARD- TOTAL MAGNE-
INST. CIFIC WHOLE PRES- NESS HEATED CALCIUM SIUM, SODIUM,
CUBIC CON- FIELD TEMPER- SURE OXYGEN, TOTAL (MG/L DIS- DIS- DIS-
FEET DUCT- (STAND- ATURE (MM DIS- (MG/L AS SOLVED SOLVED SOLVED
DATE TIME PER ANCE ARD WATER OF SOLVED AS CAC03) (MG/L (MG/L (MG/L
SECOND (µS/CM) UNITS) (DEG C) HG) (MG/L) CACO3) AS CA) AS MG) AS NA)
(00061) (00095) (00400) (00010) (00025) (00300) (00900) (70508) (00915) (00925) (00930)
OCT
16... 0900 63 810 7.9 12.0 736 9.7 180 2.0 48 14 93
NOV
13... 0930 419 393 7.5 4.0 750 11.7 120 4.0 33 8.0 31
DEC
04... 0900 707 318 7.5 5.0 742 11.6 96 8.0 27 6.9 23
JAN
09... 0915 215 664 7.6 2.0 726 13.4 180 2.2 52 12 56
FEB
05... 1000 746 480 7.6 4.0 741 12.0 130 6.0 38 8.9 40
MAR
07... 0915 1030 318 7.4 5.0 753 11.8 100 2.4 30 6.9 19
APR
08... 0900 170 497 7.8 11.0 740 9.9 160 0.60 44 11 37
MAY
13... 0915 211 425 8.0 12.0 729 12.7 130 0.60 40 8.7 33
JUN
04... 1200 268 508 8.0 17.0 740 10.0 150 2.0 44 10 42
JUL
03... 0930 31 1180 7.9 24.0 730 7.0 340 4.0 98 24 119
AUG
07... 1015 8.5 2210 7.7 20.0 742 8.4 650 2.4 180 47 249
SEP
16... 0845 8.5 950 7.4 18.5 738 7.8 300 13 81 25 84
MONONGAHELA RIVER BASIN
03072000 DUNKARD CREEK AT SHANNOPIN, PA--Continued
WATER-QUALITY DATA, WATER YEAR OCTOBER 1996 TO SEPTEMBER 1997
ALKA- SOLIDS, NITRO- NITRO- NITRO- NITRO-
POTAS- LINITY CHLO- FLUO- SILICA, RESIDUE GEN, GEN, GEN, GEN,AM-
SIUM, WAT DIS SULFATE RIDE, RIDE, DIS- AT 180 NITRITE NO2+NO3 AMMONIA MONIA +
DIS- TOT IT DIS- DIS- DIS- SOLVED DEG. C DIS- DIS- DIS- ORGANIC
SOLVED FIELD SOLVED SOLVED SOLVED (MG/L DIS- SOLVED SOLVED SOLVED TOTAL
DATE (MG/L MG/L AS (MG/L (MG/L (MG/L AS SOLVED (MG/L (MG/L (MG/L (MG/L
AS K) CACO3 AS SO4) AS CL) AS F) SIO2) (MG/L) AS N) AS N) AS N) AS N)
(00935) (39086) (00945) (00940) (00950) (00955) (70300) (00613) (00631) (00608) (00625)
OCT
16... 2.4 218 220 32 0.20 1.3 502 <0.010 <0.050 0.030 <0.20
NOV
13... 1.5 180 90 10 0.10 7.3 227 <0.010 0.500 0.020 <0.20
DEC
04... 1.3 60 70 8.7 <0.10 7.0 185 0.020 0.630 0.030 <0.20
JAN
09... 1.6 214 200 15 0.20 5.0 412 0.010 0.380 0.100 <0.20
FEB
05... 1.4 115 120 15 0.10 4.9 289 0.020 0.590 0.100 0.20
MAR
07... 1.3 106 83 6.8 0.10 6.6 194 <0.010 0.830 0.060 0.20
APR
08... 1.9 190 150 12 0.20 3.0 317 0.020 0.250 <0.015 <0.20
MAY
13... 1.4 80 120 9.1 0.10 3.6 269 <0.010 0.161 <0.015 <0.20
JUN
04... 1.5 92 150 10 <0.10 5.4 320 0.024 0.324 0.081 <0.20
JUL
03... 2.9 120 440 31 0.29 3.5 843 <0.010 0.188 <0.015 0.22
AUG
07... 3.9 100 1000 48 0.37 5.5 1770 <0.010 0.096 0.026 0.31
SEP
16... 3.6 102 340 28 0.34 6.1 662 <0.010 0.386 0.093 0.21
NITRO- PHOS- CARBON, SED.
GEN,AM- PHOS- PHORUS ALUM- MANGA- CARBON, ORGANIC SUSP.
MONIA + PHOS- PHORUS ORTHO, INUM, IRON, NESE, ORGANIC SUS- SEDI- SIEVE
ORGANIC PHORUS DIS- DIS- DIS- DIS- DIS- DIS- PENDED MENT, DIAM.
DIS. TOTAL SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED TOTAL SUS- % FINER
DATE (MG/L (MG/L (MG/L (MG/L (µG/L (µG/L (µG/L (MG/L (MG/L PENDED THAN
AS N) AS P) AS P) AS P) AS AL) AS FE) AS MN) AS C) AS C) (MG/L) .062 MM
(00623) (00665) (00666) (00671) (01106) (01046) (01056) (00681) (00689) (80154) (70331)
OCT
16... <0.20 <0.010 0.010 <0.010 95 26 88 1.4 0.40 3 69
NOV
13... <0.20 <0.010 <0.010 <0.010 43 8.0 51 1.6 0.20 3 68
DEC
04... <0.20 <0.010 <0.010 <0.010 34 10 42 1.6 0.20 6 89
JAN
09... <0.20 <0.010 <0.010 <0.010 59 22 79 1.1 0.30 3 86
FEB
05... <0.20 <0.010 <0.010 <0.010 30 15 54 1.4 0.50 21 88
MAR
07... <0.20 0.020 <0.010 <0.010 35 9.0 51 1.8 0.40 21 92
APR
08... <0.20 <0.010 <0.010 <0.010 84 41 78 1.5 0.40 7 69
MAY
13... <0.20 <0.010 <0.010 <0.010 75 20 46 1.7 0.20 7 85
JUN
04... 0.20 <0.010 <0.010 <0.010 106 16 40 2.3 0.40 22 83
JUL
03... <0.20 <0.010 <0.010 <0.010 149 7.9 151 3.2 0.30 16 56
AUG
07... <0.20 <0.010 <0.010 <0.010 54 <9.0 517 2.4 0.50 7 47
SEP
16... <0.20 <0.010 <0.010 <0.010 42 <3.0 379 2.4 0.20 11 73
MONONGAHELA RIVER BASIN
03072000 DUNKARD CREEK AT SHANNOPIN, PA--Continued
REMARKS.--The following data are for dissolved trace elements in surface water filtered through a 0.45mm filter.
WATER-QUALITY DATA, WATER YEAR OCTOBER 1996 TO SEPTEMBER 1997
DIS-
CHARGE, BERYL- CHRO-
INST. ARSENIC BARIUM, LIUM, CADMIUM MIUM, COBALT, COPPER,
CUBIC DIS- DIS- DIS- DIS- DIS- DIS- DIS-
FEET SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED
DATE TIME PER (µG/L (µG/L (µG/L (µG/L (µG/L (µG/L (µG/L
SECOND AS AS) AS BA) AS BE) AS CD) AS CR) AS CO) AS CU)
(00061) (01000) (01005) (01010) (01025) (01030) (01035) (01040)
MAY
13... 0915 211 <1 38 <1.0 <1.0 1.2 <1.0 <1.0
SEP
16... 0845 8.5 <1 43 <1.0 <1.0 <1.0 7.8 2.7
MOLYB- ANTI- SELE- URANIUM
LEAD, DENUM, NICKEL, SILVER, ZINC, MONY, NIUM, NATURAL
DIS- DIS- DIS- DIS- DIS- DIS- DIS- DIS-
SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED
DATE (µG/L (µG/L (µG/L (µG/L (µG/L (µG/L (µG/L (µG/L
AS PB) AS MO) AS NI) AS AG) AS ZN) AS SB) AS SE) AS U)
(01049) (01060) (01065) (01075) (01090) (01095) (01145) (22703)
MAY
13... <1.0 <1.0 2.3 <1.0 18 <1.0 <1 <1.0
SEP
16... <1.0 1.9 23 <1.0 31 <1.0 <1 <1.0
MONONGAHELA RIVER BASIN
03072000 DUNKARD CREEK AT SHANNOPIN, PA--Continued
REMARKS.--The following data are for trace elements and other constituents that were part of the suspended-
sediment fraction of the water sample. Suspended sediments were dewatered using a continuous flow centrifuge,
dried, and analyzed directly for total metals using a nitric, hydrofluoric, perchloric acid digestion. Whole
water contributions by the suspended sediment were then calculated using the suspended-sediment concentration
in kilograms per liter (kg/L) and the analyte concentration in milligrams per kilogram (µg/kg) from the direct
analysis of the suspended sediments, resulting in micrograms per gram (µg/g) concentrations. Values reported
in percent are the percent of that constituent in the suspended sediment. When no trace element was detected
in the sample, the default reporting value is the method detection limit preceded by a less-than sign (<).
WATER-QUALITY DATA, WATER YEAR OCTOBER 1996 TO SEPTEMBER 1997
DIS- SEDI-
CHARGE, MENT
INST. SUSP., AN- BERYL- CARBON,
CUBIC FLOW- ALUM- TIMONY ARSENIC BARIUM LIUM CADMIUM CARBON ORGANIC
FEET THROUGH INUM SED. SED. SED. SED. SED. SED. SUS-
DATE TIME PER CENTRIF SED,SUS SUSP. SUSP. SUSP. SUSP. SUSP. SUSP. PENDED
SECOND (MG/L) PERCENT (mG/G) (mG/G) (mG/G) (mG/G) (mG/G) PERCENT PERCENT
(00061) (50279) (30221) (29816) (29818) (29820) (29822) (29826) (30244) (50465)
MAY
13... 0915 211 5 5.9 3 13 430 6 1.8 6.9 7.0
SEP
16... 0845 8.5 5 8.9 1 16 320 17 2.0 7.8 7.0
CHRO- COBALT IRON LITHIUM MAN- MOLYB-
MIUM SEDI- COPPER SEDI- LEAD SEDI- GANESE MERCURY DENUM NICKEL
SED. MENT SED. MENT SED. MENT SED. SED. SED. SED.
DATE SUSP. SUSP. SUSP. SUSP. SUSP. SUSP. SUSP. SUSP. SUSP. SUSP.
(mG/G) (mG/G) (mG/G) PERCENT (mG/G) (mG/G) (mG/G) (mG/G) (mG/G) (mG/G)
(29829) (35031) (29832) (30269) (29836) (35050) (29839) (29841) (29843) (29845)
MAY
13... 80 120 57 5.5 38 53 7400 .05 <25 160
SEP
16... 43 510 59 6.8 24 130 27000 .12 <10 390
PHOS- STRON- TITA-
PHORUS SELE- TIUM SULFUR NIUM URANIUM VANA-
SEDI- NIUM SILVER SEDI- SEDI- THAL- SEDI- SEDI- DIUM ZINC
MENT SED. SED. MENT MENT LIUM MENT MENT SED. SED.
DATE SUSP. SUSP. SUSP. SUSP. SUSP. SUS SED SUSP. SUSP. SUSP. SUSP.
PERCENT (mG/G) (mG/G) (mG/G) PERCENT (mG/G) PERCENT (mG/G) (mG/G) (mG/G)
(30292) (29847) (29850) (35040) (30308) (49955) (30317) (35046) (29853) (29855)
MAY
13... 2300 2 <3 310 3.0 <250 .27 <250 67 670
SEP
16... 1800 2 <1 330 3.1 <100 .14 <100 38 2000
YOUGHIOGHENY RIVER BASIN
03083500 YOUGHIOGHENY RIVER AT SUTERSVILLE, PA
(National water-quality assessment station)
LOCATION.--Lat 40`14'24", long 79`48'24", Allegheny County, Hydrologic Unit 05020006, on left bank 500 ft upstream
from highway bridge at Sutersville, 2.1 mi downstream from Sewickley Creek, at mile 15.2.
DRAINAGE AREA.--1,715 mi2.
WATER-DISCHARGE RECORDS
PERIOD OF RECORD.--October 1920 to current year. Monthly discharge only for some periods, published in WSP 1305.
REVISED RECORDS.--WSP 743: Drainage area. WSP 1305: 1924, 1926 (M), 1931 (M). WSP 1435: 1935-36.
GAGE.--Water-stage recorder. Datum of gage is 733.36 ft above sea level. Prior to June 1, 1939, nonrecording
gage at site 500 ft downstream at same datum.
REMARKS.--Records good except for estimated daily discharges, which are fair. Flow regulated since 1925 by Deep
Creek Reservoir, since 1943 by Youghiogheny River Lake 58 mi upstream, and by several smaller reservoirs above
station. Several measurements of water temperature were made during the year. U.S. Army Corps of Engineers
satellite telemeter at station.
DISCHARGE, CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1996 TO SEPTEMBER 1997
DAILY MEAN VALUES
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
1 3640 3180 7510 4260 3180 2330 5380 2050 3600 810 776 1070
2 3310 3040 14600 3930 3010 8520 4250 1960 4400 955 803 1030
3 3120 2920 10600 3800 2720 12700 4130 1870 6460 1050 1010 1040
4 2870 2780 7980 3760 2840 10100 3850 1960 6240 985 941 1030
5 2660 2690 7560 3690 5630 9050 3490 2060 6250 1050 801 992
6 2530 2640 7140 3660 7060 10300 3100 1900 5120 988 801 964
7 2430 2630 6500 3400 4890 9190 2780 1920 3510 912 812 964
8 1950 6670 5140 3150 4010 7880 2340 1840 2820 697 780 980
9 1830 15400 4830 3010 3580 6680 2140 2050 2500 691 760 918
10 2040 11200 4490 3090 3120 6260 1820 2830 2250 840 784 1070
11 2200 7990 4040 2560 2810 6090 1630 3690 2040 902 775 1140
12 2010 7190 7400 2120 2610 5280 1610 3480 1710 853 737 1180
13 1800 6300 9720 e2000 2400 4750 1720 3840 1830 889 813 1110
14 1700 4820 9610 e1900 2290 4190 1830 3910 2560 915 1100 1050
15 1640 3990 7260 e1850 e2100 4690 1660 3780 2170 802 1050 1010
16 1630 3640 6030 e1800 e2000 4540 1480 2840 2060 768 995 990
17 1490 3420 5720 e1700 e1900 3830 1440 2220 2380 735 1430 977
18 1630 3410 5180 e1650 e1800 3620 1770 2030 2270 726 4500 994
19 3310 3150 4720 e1600 e1700 3950 2050 2680 1900 939 2960 971
20 12600 3160 4280 e1600 7280 5080 2110 4740 1450 1180 1930 996
21 12600 3220 3820 e1550 7040 4670 1820 6020 1270 1060 2770 1070
22 11900 3090 3630 e1550 6390 4500 1550 5350 1280 820 2290 1070
23 9800 2970 3720 e1500 5820 4180 1490 4670 1220 890 1660 1030
24 7790 2850 4020 e2000 4270 3950 1460 3150 1060 901 1430 981
25 6650 2800 4700 e2300 3350 2910 1430 8800 899 872 1200 959
26 4670 2930 4320 e2100 2880 7850 1490 25000 895 912 955 950
27 3930 4610 3540 e2000 2680 9000 1590 12100 1080 1020 883 935
28 3740 3760 3520 e3500 2500 6850 1720 9260 1150 938 1080 933
29 3930 3800 4000 6230 --- 6030 2140 7940 1390 891 1270 2570
30 3680 3740 5690 4460 --- 5720 2210 5810 1150 850 1190 3060
31 3400 --- 4890 3550 --- 5510 --- 3810 --- 814 1120 ---
TOTAL 128480 133990 186160 85270 101860 190200 67480 145560 74914 27655 40406 34034
MEAN 4145 4466 6005 2751 3638 6135 2249 4695 2497 892 1303 1134
MAX 12600 15400 14600 6230 7280 12700 5380 25000 6460 1180 4500 3060
MIN 1490 2630 3520 1500 1700 2330 1430 1840 895 691 737 918
> -576 -417 -67 -185 +721 +797 +8.4 +75 -47 -483 -309 -658
> Change in contents, equivalent in cubic feet per second, in Deep Creek Reservoir and Youghiogheny River
Lake. Records of contents in Deep Creek Reservoir furnished by Pennsylvania Electric Co. Records of
contents in Youghiogheny River Lake furnished by U.S. Army Corps of Engineers.
e Estimated.
YOUGHIOGHENY RIVER BASIN
03083500 YOUGHIOGHENY RIVER AT SUTERSVILLE, PA--Continued
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1921 - 1997 BY WATER YEAR (WY) (SINCE REGULATION)
OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
MEAN 1540 2119 3695 4003 4582 5966 4894 3698 2260 1585 1450 1369
MAX 7006 5818 9373 8488 9630 13720 10230 8012 7318 4853 5707 6382
(WY) 1955 1922 1973 1974 1939 1936 1940 1996 1941 1985 1956 1971
MIN 107 209 596 611 716 1539 1637 1012 585 614 309 185
(WY) 1924 1923 1954 1925 1934 1990 1921 1982 1925 1942 1922 1922
SUMMARY STATISTICS FOR 1996 CALENDAR YEAR FOR 1997 WATER YEAR WATER YEARS 1921 - 1997
ANNUAL TOTAL 1947810 1216009
ANNUAL MEAN 5322 >+9.1 3332 >-100 3090
HIGHEST ANNUAL MEAN 4537 1996
LOWEST ANNUAL MEAN 1496 1925
HIGHEST DAILY MEAN 53000 Jan 20 25000 May 26 79000 Mar 18 1936
LOWEST DAILY MEAN 1060 Jul 12 691 Jul 9 57 Sep 30 1922
ANNUAL SEVEN-DAY MINIMUM 1230 Jul 9 778 Aug 6 64 Sep 24 1922
INSTANTANEOUS PEAK FLOW 29500 May 26 108000 Oct 16 1954
INSTANTANEOUS PEAK STAGE 15.29 May 26 a32.50 Oct 16 1954
INSTANTANEOUS LOW FLOW 682 Jul 8,9 b57 Sep 29 1922
10 PERCENT EXCEEDS 9650 6930 6850
50 PERCENT EXCEEDS 4030 2570 1940
90 PERCENT EXCEEDS 1640 927 692
> Change in contents, equivalent in cubic feet per second, in Deep Creek Reservoir and Youghiogheny River
Lake. Records of contents in Deep Creek Reservoir furnished by Pennsylvania Electric Co. Records of
contents in Youghiogheny River Lake furnished by U.S. Army Corps of Engineers.
a From floodmark.
b Minimum observed.
MONONGAHELA RIVER BASIN
03083500 YOUGHIOGHENY RIVER AT SUTERSVILLE, PA--Continued
(National Water-Quality Assessment station)
WATER-QUALITY RECORDS
PERIOD OF RECORD.--October 1947 to September 1950, October 1958 to September 1959, October 1968 to September 1972,
November 1975 to September 1981, April 1996 to current year.
PERIOD OF DAILY RECORD.--
WATER TEMPERATURE: October 1996 to June 1997.
INSTRUMENTATION.--Daily record measured and collected at hourly intervals with an in-situ probe and electronic
data logger.
REMARKS.--All water-quality samples were collected and analyzed by the U.S. Geological Survey except for those
furnished by the Pennsylvania Department of Environmental Resources as noted. Interruptions in the daily
record were do to malfunctions of the equipment. Additional sites in the (NAWQA) fixed-station network are
shown in figure 6 on page 28. An explanation of selected abbreviations used in the water-quality tables are
given on pages 29-31.
WATER-QUALITY DATA, WATER YEAR OCTOBER 1996 TO SEPTEMBER 1997
DIS- PH BARO-
CHARGE, SPE- WATER METRIC HARD- MAGNE-
INST. CIFIC WHOLE PRES- NESS CALCIUM SIUM, SODIUM,
CUBIC CON- FIELD TEMPER- SURE OXYGEN, TOTAL DIS- DIS- DIS-
FEET DUCT- (STAND- ATURE (MM DIS- (MG/L SOLVED SOLVED SOLVED
DATE TIME PER ANCE ARD WATER OF SOLVED AS (MG/L (MG/L (MG/L
SECOND (µS/CM) UNITS) (DEG C) HG) (MG/L) CACO3) AS CA) AS MG) AS NA)
(00061) (00095) (00400) (00010) (00025) (00300) (00900) (00915) (00925) (00930)
OCT
28... 1015 3700 209 7.4 14.0 739 9.7 65 18 4.9 9.9
NOV
07... 0930 2630 240 7.4 11.0 738 9.6 76 21 5.7 13
DEC
17... 0945 5780 180 7.2 5.0 728 13.1 58 16 4.5 8.4
JAN
28... 1115 4970 500 7.2 0.0 746 13.6 100 29 7.5 46
FEB
10... 1000 3140 282 7.2 2.0 745 13.8 77 21 5.9 20
MAR
20... 1100 5160 211 7.0 6.0 735 13.0 68 18 5.5 11
APR
09... 1030 2150 275 7.3 8.5 744 10.6 85 23 6.8 15
MAY
23... 1000 4740 176 7.4 11.5 743 10.8 52 15 3.9 10
26... 1600 24600 150 7.4 15.0 740 10.2 50 15 3.4 6.4
JUN
18... 0945 2260 233 7.5 20.5 733 7.8 66 18 5.0 14
JUL
10... 0955 759 429 7.6 22.0 742 8.5 120 32 10 33
AUG
13... 1015 750 348 7.5 24.0 737 7.0 91 25 7.2 29
SEP
10... 0930 1050 319 7.5 21.0 733 7.7 84 23 6.6 21
MONONGAHELA RIVER BASIN
03083500 YOUGHIOGHENY RIVER AT SUTERSVILLE, PA--Continued
WATER-QUALITY DATA, WATER YEAR OCTOBER 1996 TO SEPTEMBER 1997
ALKA- SOLIDS, NITRO- NITRO- NITRO- NITRO-
POTAS- LINITY CHLO- FLUO- SILICA, RESIDUE GEN, GEN, GEN, GEN,AM-
SIUM, WAT DIS SULFATE RIDE, RIDE, DIS- AT 180 NITRITE NO2+NO3 AMMONIA MONIA +
DIS- TOT IT DIS- DIS- DIS- SOLVED DEG. C DIS- DIS- DIS- ORGANIC
SOLVED FIELD SOLVED SOLVED SOLVED (MG/L DIS- SOLVED SOLVED SOLVED TOTAL
DATE (MG/L MG/L AS (MG/L (MG/L (MG/L AS SOLVED (MG/L (MG/L (MG/L (MG/L
AS K) CACO3 AS SO4) AS CL) AS F) SIO2) (MG/L) AS N) AS N) AS N) AS N)
(00935) (39086) (00945) (00940) (00950) (00955) (70300) (00613) (00631) (00608) (00625)
OCT
28... 1.5 41 50 10 <0.10 4.6 116 0.010 0.730 0.030 0.20
NOV
07... 1.4 39 60 11 <0.10 3.9 137 0.020 0.960 0.050 <0.20
DEC
17... 1.0 36 40 10 <0.10 4.6 107 0.010 0.960 0.030 <0.20
JAN
28... 2.5 52 68 72 0.20 5.1 272 0.020 1.20 0.250 1.7
FEB
10... 1.4 38 57 24 0.10 4.9 161 0.010 1.10 0.050 <0.20
MAR
20... 1.2 33 49 14 <0.10 4.4 125 0.030 1.00 0.040 <0.20
APR
09... 1.4 25 74 14 <0.10 4.1 165 <0.010 0.730 0.040 <0.20
MAY
23... 1.2 18 38 12 <0.10 4.2 108 <0.010 0.720 <0.015 0.23
26... 1.7 18 26 8.9 <0.10 4.8 85 <0.010 1.17 0.065 0.90
JUN
18... 1.4 25 55 12 <0.10 3.3 134 <0.010 0.075 <0.015 <0.20
JUL
10... 1.9 39 120 19 <0.10 3.4 269 <0.010 0.863 0.029 <0.20
AUG
13... 1.6 32 99 14 0.12 2.4 210 0.016 0.843 0.029 0.26
SEP
10... 1.7 34 83 14 <0.10 1.6 186 <0.010 0.625 <0.015 0.23
NITRO- PHOS- CARBON, SED.
GEN,AM- PHOS- PHORUS MANGA- CARBON, ORGANIC SUSP.
MONIA + PHOS- PHORUS ORTHO, IRON, NESE, ORGANIC SUS- SEDI- SIEVE
ORGANIC PHORUS DIS- DIS- DIS- DIS- DIS- PENDED MENT, DIAM.
DIS. TOTAL SOLVED SOLVED SOLVED SOLVED SOLVED TOTAL SUS- % FINER
DATE (MG/L (MG/L (MG/L (MG/L (µG/L (µG/L (MG/L (MG/L PENDED THAN
AS N) AS P) AS P) AS P) AS FE) AS MN) AS C) AS C) (MG/L) .062 MM
(00623) (00665) (00666) (00671) (01046) (01056) (00681) (00689) (80154) (70331)
OCT
28... <0.20 0.020 <0.010 <0.010 8.0 65 1.7 0.30 3 85
NOV
07... <0.20 0.020 <0.010 <0.010 47 74 1.7 0.30 1 71
DEC
17... <0.20 <0.010 <0.010 <0.010 30 110 1.2 0.50 3 64
JAN
28... 0.40 0.690 <0.010 <0.010 15 190 1.8 1.4 249 90
FEB
10... <0.20 <0.010 0.010 <0.010 89 160 1.3 0.30 3 82
MAR
20... <0.20 0.030 <0.010 <0.010 41 170 1.3 0.60 8 59
APR
09... <0.20 0.030 <0.010 <0.010 110 110 1.4 0.30 4 69
MAY
23... <0.20 0.014 <0.010 <0.010 31 57 1.5 1.1 14 65
26... 0.29 0.208 <0.010 <0.010 44 101 3.4 3.6 161 79
JUN
18... <0.20 <0.010 <0.010 <0.010 79 27 1.6 1.9 4 61
JUL
10... <0.20 <0.010 <0.010 0.019 82 45 1.6 0.30 5 55
AUG
13... 0.21 <0.010 <0.010 0.016 52 22 2.0 0.30 5 40
SEP
10... <0.20 0.021 <0.010 <0.010 44 19 2.1 0.20 4 64
MONONGAHELA RIVER BASIN
03085000 MONONGAHELA RIVER AT BRADDOCK, PA
(National water-quality assessment station)
LOCATION.--Lat 40`23'28", long 79`51'30", Allegheny County, Hydrologic Unit 05020005, near right bank on river
guide wall 300 ft upstream from dam at lock 2 at Braddock, 1,700 ft downstream from Turtle Creek, and 11.2 mi
upstream of confluence with Allegheny River.
DRAINAGE AREA.--7,337 mi2.
WATER-DISCHARGE RECORDS
PERIOD OF RECORD.--October 1938 to current year. Monthly discharge only for some periods, published in WSP 1305.
GAGE.--Water-stage recorder and fixed-crest concrete dam control with streamward lock chamber usable as floodway
during high flow since 1951. Datum of gage is 709.66 ft above sea level (U.S. Army Corps of Engineers bench
mark). Prior to Aug. 13, 1951, at site 700 ft upstream, and Aug. 13, 1951 to Nov. 8, 1990 at present site at
datum 2.50 ft lower.
REMARKS.--No estimated daily discharges. Records good. Flow regulated by locks and hydroelectric plants, since
1938 by Tygart Lake, since 1926 by Lake Lynn, since 1925 by Deep Creek Reservoir, since 1943 by Youghiogheny
River Lake, and since 1990 by Stonewall Jackson Lake, combined capacity, 779,000 acre-ft. Figures of daily
discharge include slight diversion from Beaver Run Reservoir in the Kiskiminetas River Basin to the borough of
Jeannette in the Monongahela River Basin. U.S. Army Corps of Engineers satellite telemeter at station.
EXTREMES OUTSIDE PERIOD OF RECORD.--Flood of Mar. 18, 1936 reached a stage of 38.8 ft from floodmarks, discharge,
210,000 ft3/s.
DISCHARGE, CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1996 TO SEPTEMBER 1997
DAILY MEAN VALUES
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
1 10800 10100 32300 17200 16700 11400 19000 9050 13800 5360 3220 2950
2 9550 10400 56900 14500 12700 50200 20100 7790 11800 4260 2300 2900
3 8760 8960 52500 14200 10700 77600 15900 9170 14300 4330 2290 3260
4 8070 8140 34800 13600 13200 70800 14100 7670 18800 3800 2060 2710
5 7240 8660 34500 11700 19200 51400 13800 7540 21500 3500 2400 2280
6 6310 8600 30400 11700 23600 40800 11900 8130 18200 3830 3270 2080
7 5820 7890 26800 11900 16800 42600 10400 9470 11000 2600 3800 2500
8 5570 20200 23700 9790 17700 39500 11300 9380 7910 3000 2440 2130
9 5110 59300 20200 9070 13100 36700 8980 8700 6910 2190 2940 2880
10 5420 46900 19800 10400 12000 28000 6640 14500 6830 2440 1970 3700
11 5490 34300 13800 9920 12600 29500 6330 17200 6240 3960 1970 3480
12 5710 31700 22400 6350 10700 29700 6160 19500 4910 3230 1860 5110
13 4700 26400 29800 6640 11400 27100 5520 19100 7590 2490 2630 3220
14 5150 23300 32300 6170 11200 28800 6840 16900 8570 2870 3590 3060
15 4080 18400 28300 6140 12100 19000 6880 19400 6980 2370 2700 2720
16 4480 14700 19700 6070 13700 16500 5230 18000 6300 1910 2980 3290
17 4320 10500 19700 7470 11700 17200 5440 16300 6950 1880 4800 3280
18 4950 8760 17700 5500 12100 17600 6460 8370 5720 2620 22000 2630
19 8480 10100 15200 4060 11700 21600 5660 11400 6710 2120 14400 2840
20 26300 10800 14300 5660 17100 25200 5550 21500 5780 2270 9280 2600
21 40500 13000 12200 7280 24600 27800 6170 26900 4330 2210 8930 2890
22 37800 11300 10800 6660 21600 25800 7360 21100 4450 2090 12200 3530
23 39800 9540 8850 6980 18900 20200 6100 17700 4120 2370 7130 3020
24 32300 8240 10600 9020 16600 18400 5870 13900 2870 3270 5760 3380
25 26000 8980 17600 14700 14500 16900 7270 23500 3270 5070 3950 2880
26 18300 13900 21100 13200 11600 25800 6010 56400 3240 5170 3730 2800
27 13900 29400 15800 17100 11400 35500 4930 45100 6950 4220 2790 3170
28 12800 29500 14700 21900 11700 28300 6060 33700 8250 3420 3360 3030
29 12500 27800 15600 30300 --- 25300 9950 28800 6110 3560 3730 10700
30 14100 26600 18700 25300 --- 21300 10900 21500 5060 3910 3400 18000
31 11600 --- 19100 21500 --- 19300 --- 17100 --- 4230 2520 ---
TOTAL 405910 556370 710150 361980 410900 945800 262810 564770 245450 100550 150400 113020
MEAN 13090 18550 22910 11680 14680 30510 8760 18220 8182 3244 4852 3767
MAX 40500 59300 56900 30300 24600 77600 20100 56400 21500 5360 22000 18000
MIN 4080 7890 8850 4060 10700 11400 4930 7540 2870 1880 1860 2080
CFSM 1.78 2.53 3.12 1.59 2.00 4.16 1.19 2.48 1.12 .44 .66 .51
IN. 2.06 2.82 3.60 1.84 2.08 4.80 1.33 2.86 1.24 .51 .76 .57
MONONGAHELA RIVER BASIN
03085000 MONONGAHELA RIVER AT BRADDOCK, PA--Continued
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1939 - 1997, BY WATER YEAR (WY)
OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
MEAN 5455 9438 15900 17210 20810 24150 18690 14280 9115 6290 5901 4713
MAX 23130 42130 37600 36150 43120 54500 39180 40310 30240 15620 23720 18290
(WY) 1980 1986 1973 1952 1956 1963 1940 1996 1981 1958 1956 1971
MIN 1200 971 2748 3389 6387 8042 6473 3352 2107 1765 1531 1005
(WY) 1954 1954 1954 1977 1954 1969 1971 1982 1965 1966 1957 1946
SUMMARY STATISTICS FOR 1996 CALENDAR YEAR FOR 1997 WATER YEAR WATER YEARS 1939 - 1997
ANNUAL TOTAL 7724750 4828110
ANNUAL MEAN 21110 13230 12610
HIGHEST ANNUAL MEAN 18440 1996
LOWEST ANNUAL MEAN 6946 1954
HIGHEST DAILY MEAN 188000 Jan 20 77600 Mar 3 188000 Jan 20 1996
LOWEST DAILY MEAN 2780 Sep 2 1860 Aug 12 703 Sep 3 1946a
ANNUAL SEVEN-DAY MINIMUM 3330 Aug 30 2160 Jul 16 839 Nov 17 1953
INSTANTANEOUS PEAK FLOW 83400 Mar 2 210000 Jan 20 1996
INSTANTANEOUS PEAK STAGE 18.67 Mar 2 b31.20 Jun 5 1941
ANNUAL RUNOFF (CFSM) 2.88 1.80 1.72
ANNUAL RUNOFF (INCHES) 39.17 24.48 23.36
10 PERCENT EXCEEDS 41000 28300 29300
50 PERCENT EXCEEDS 15700 9790 7780
90 PERCENT EXCEEDS 5400 2870 2260
a Also Sept. 4, 22, 1946.
b Maximum gage height, 31.39 ft., June 24, 1972 (backwater from Allegheny River). Datum then in use.
MONONGAHELA RIVER BASIN
03085000 MONONGAHELA RIVER AT BRADDOCK, PA--Continued
(National Water-Quality Assessment station)
WATER-QUALITY RECORDS
PERIOD OF RECORD.--October 1958 to September 1993 (discontinued). September 1994 to current year.
PERIOD OF DAILY RECORD.--
SPECIFIC CONDUCTANCE: January 1973 to October 1975.
WATER TEMPERATURE: January 1973 to September 1979, November 1996 to current year.
SUSPENDED SEDIMENT DISCHARGE: January 1973 to September 1979.
INSTRUMENTATION.--From January 1973 to September 1979, specific conductance and water temperature were once daily
readings by an observer. From January 1973 to September 1979, suspended-sediment samples were collected
daily and more often during storm events by an observer. From November 1996 to current year, daily records
of water temperature were measured and collected at hourly intervals with an in-situ probe and electronic
data logger.
REMARKS.--All water-quality samples were collected and analyzed by the U.S. Geological Survey. Interruptions
in the daily record were do to malfunctions of the equipment. Additional sites in the (NAWQA) fixed-station
network are shown in figure 6 on page 28. An explanation of selected abbreviations used in the water-
quality tables are given on pages 29-31.
EXTREMES FOR PERIOD OF RECORD.--
WATER TEMPERATURE: Maximum, 30.0`C, on several days during the summer periods; minimum, 0.0`C, on several
days each year before 1979 water year.
SEDIMENT CONCENTRATIONS: Maximum daily, 830 µg/L, March 15, 19, 1978; minimum daily, 2 µg/L,
November 29, 1976.
SEDIMENT DISCHARGES: Maximum daily, 210,000 tons, January 12, 1974; minimum daily, 14 tons, February 8, 1977.
EXTREMES FOR CURRENT YEAR.--
WATER TEMPERATURE: Maximum, 30.0`C, July 25; minimum 0.5`C, January 19, 20, 21, 29, 30.
WATER-QUALITY DATA, WATER YEAR OCTOBER 1995 TO SEPTEMBER 1996
DIS- PH BARO-
CHARGE, SPE- WATER METRIC HARD- MAGNE-
INST. CIFIC WHOLE PRES- NESS CALCIUM SIUM, SODIUM,
CUBIC CON- FIELD TEMPER- SURE OXYGEN, TOTAL DIS- DIS- DIS-
FEET DUCT- (STAND- ATURE (MM DIS- (MG/L SOLVED SOLVED SOLVED
DATE TIME PER ANCE ARD WATER OF SOLVED AS (MG/L (MG/L (MG/L
SECOND (µS/CM) UNITS) (DEG C) HG) (MG/L) CACO3) AS CA) AS MG) AS NA)
(00061) (00095) (00400) (00010) (00025) (00300) (00900) (00915) (00925) (00930)
OCT
17... 0945 4310 392 7.8 16.5 736 10.6 120 33 8.5 26
NOV
05... 0945 8620 270 7.3 10.5 745 10.3 91 26 6.3 14
DEC
18... 0945 19100 247 7.4 6.0 735 12.6 80 22 6.0 12
JAN
31... 0900 21900 294 7.3 4.0 733 13.9 88 25 6.3 16
FEB
11... 0930 12000 295 7.3 3.0 740 12.6 86 24 6.3 18
MAR
04... 1130 73100 199 7.2 8.0 739 11.2 71 21 4.6 7.7
APR
23... 1000 6250 392 7.6 13.0 727 10.3 130 35 9.6 23
MAY
22... 0800 23800 235 7.6 15.5 744 9.3 76 22 5.3 12
JUN
17... 1000 7560 395 7.7 22.0 733 8.0 120 35 8.8 24
JUL
24... 1000 2950 461 7.9 27.0 741 7.6 140 40 10 32
AUG
19... 0850 13400 467 7.6 25.5 741 7.3 140 37 10 35
SEP
08... 0930 2100 418 7.9 23.0 736 8.2 120 33 8.9 29
MONONGAHELA RIVER BASIN
03085000 MONONGAHELA RIVER AT BRADDOCK, PA.--Continued
WATER-QUALITY DATA, WATER YEAR OCTOBER 1996 TO SEPTEMBER 1997
ALKA- SOLIDS, NITRO- NITRO- NITRO- NITRO-
POTAS- LINITY CHLO- FLUO- SILICA, RESIDUE GEN, GEN, GEN, GEN,AM-
SIUM, WAT DIS SULFATE RIDE, RIDE, DIS- AT 180 NITRITE NO2+NO3 AMMONIA MONIA +
DIS- TOT IT DIS- DIS- DIS- SOLVED DEG. C DIS- DIS- DIS- ORGANIC
SOLVED FIELD SOLVED SOLVED SOLVED (MG/L DIS- SOLVED SOLVED SOLVED TOTAL
DATE (MG/L MG/L AS (MG/L (MG/L (MG/L AS SOLVED (MG/L (MG/L (MG/L (MG/L
AS K) CACO3 AS SO4) AS CL) AS F) SIO2) (MG/L) AS N) AS N) AS N) AS N)
(00935) (39086) (00945) (00940) (00950) (00955) (70300) (00613) (00631) (00608) (00625)
OCT
17... 2.1 54 110 16 0.10 4.4 238 0.020 0.840 0.080 0.20
NOV
05... 1.6 40 71 9.9 0.10 5.2 160 0.020 0.750 0.090 <0.20
DEC
18... 1.1 40 62 10 0.10 5.1 142 0.010 0.740 0.090 <0.20
JAN
31... 1.4 37 74 17 0.10 4.7 173 0.020 0.760 0.180 0.40
FEB
11... 1.3 42 67 18 0.10 4.9 174 0.020 0.890 0.100 <0.20
MAR
04... 1.5 28 44 9.5 <0.10 4.9 116 <0.010 0.930 0.090 1.4
APR
23... 1.6 39 120 15 <0.10 4.7 243 0.015 0.766 0.104 0.38
MAY
22... 1.2 28 59 9.5 0.11 4.6 152 0.012 0.576 0.059 0.66
JUN
17... 2.2 48 100 19 0.16 5.2 241 <0.010 0.074 0.325 0.26
JUL
24... 2.4 40 130 25 0.17 2.8 287 0.026 1.02 <0.015 0.37
AUG
19... 2.3 42 140 13 0.16 3.6 298 0.016 0.803 0.042 0.37
SEP
08... 2.2 42 110 19 0.13 1.9 248 0.012 0.908 0.015 0.33
NITRO- PHOS- CARBON, SED.
GEN,AM- PHOS- PHORUS MANGA- CARBON, ORGANIC SUSP.
MONIA + PHOS- PHORUS ORTHO, IRON, NESE, ORGANIC SUS- SEDI- SIEVE
ORGANIC PHORUS DIS- DIS- DIS- DIS- DIS- PENDED MENT, DIAM.
DIS. TOTAL SOLVED SOLVED SOLVED SOLVED SOLVED TOTAL SUS- % FINER
DATE (MG/L (MG/L (MG/L (MG/L (µG/L (µG/L (MG/L (MG/L PENDED THAN
AS N) AS P) AS P) AS P) AS FE) AS MN) AS C) AS C) (MG/L) .062 MM
(00623) (00665) (00666) (00671) (01046) (01056) (00681) (00689) (80154) (70331)
OCT
17... <0.20 0.010 <0.010 <0.010 33 32 1.5 0.40 6 95
NOV
05... <0.20 0.020 <0.010 <0.010 28 98 1.9 0.50 8 90
DEC
18... <0.20 <0.010 <0.010 <0.010 10 120 1.2 0.60 7 94
JAN
31... 0.30 0.030 <0.010 <0.010 8.0 160 1.5 0.90 24 83
FEB
11... <0.20 <0.010 <0.010 <0.010 21 120 1.4 0.40 6 75
MAR
04... <0.20 0.370 <0.010 <0.010 29 92 2.3 >5.0 304 93
APR
23... <0.20 0.070 0.011 <0.010 38 147 1.2 0.60 38 77
MAY
22... <0.20 0.168 <0.010 <0.010 33 120 1.5 0.50 250 34
JUN
17... 0.26 <0.010 <0.010 <0.010 18 32 2.6 0.90 27 79
JUL
24... 0.22 0.051 0.056 <0.010 17 1.4 2.0 0.90 12 53
AUG
19... <0.20 0.050 <0.010 <0.010 3.2 10 2.1 1.1 37 86
SEP
08... <0.20 0.034 0.010 <0.010 18 <1.0 1.7 1.7 14 65
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