USGS
Water Resources Data - California, Water Year 1994
11239500 SHAVER LAKE NEAR BIG CREEK, CA
LOCATION.--Lat 37`08'41", long 119`18'06", in SW 1/4 SE 1/4 sec.13, T.9 S., R.24 E., Fresno County, Hydrologic
Unit 18040006, Sierra National Forest, near center of dam on Stevenson Creek, 5.2 mi southwest of town of
Big Creek.
DRAINAGE AREA.--29.1 mi2.
PERIOD OF RECORD.--November 1909 to current year. Prior to January 1927, monthly contents only, published in
WSP 1315-A; January 1927 to September 1931, published in WSP 721. Maximum and minimum daily contents (water
years 1928-39) summarized in WSP 881. Prior to 1960, maximum and minimum daily contents were published.
REVISED RECORDS.--WSP 1565: Drainage area.
GAGE.--Water-stage recorder. Datum of gage is sea level (levels by Southern California Edison Co.). Prior to
Jan. 11, 1927, gage on rockfill dam a short distance upstream at different datum.
REMARKS.--Storage began prior to 1905. Original lake formed by rockfill dam, usable capacity, 5,500 acre-ft.
Water diverted by Fresno Flume and Lumber Co.'s Flumes Nos. 1 and 2 beginning prior to 1907 and discontinued
July 7, 1920. Present lake formed by concrete-arch dam; dam completed Nov. 18, 1927. Usable capacity of
present lake, 135,568 acre-ft between elevations 5,225 ft, trash-rack foundation, and 5,370.13 ft, crest of
spillway. Additional storage of 92 acre-ft is not available for release. Water is received from Pitman Creek
(since Feb. 22, 1928) and Huntington Lake (since Apr. 21, 1928) via Huntington-Shaver Conduit and Eastwood
Powerplant (station 11238250). Water is released for power development in Big Creek powerplants. See
schematic diagram of lower San Joaquin River basin. Records, including extremes, represent contents at
2400 hours.
COOPERATION.--Records were collected by Southern California Edison Co., under general supervision of the
U.S. Geological Survey, in connection with a Federal Energy Regulatory Commission project. Contents not
rounded to U.S. Geological Survey standards.
EXTREMES FOR PERIOD OF RECORD.--Maximum contents, 135,897 acre-ft, July 5, 1946, Aug. 4, 1978; maximum elevation,
5,370.28 ft, Aug. 4, 1978; minimum contents, 652 acre-ft, Mar. 7, 1942, elevation, 5,249.38 ft.
EXTREMES FOR CURRENT YEAR.--Maximum contents, 123,799 acre-ft, Nov. 5, elevation, 5,364.63 ft; minimum,
80,355 acre-ft, Sept. 30, elevation, 5,342.13 ft.
Capacity table (elevation, in feet, and contents, in acre-feet)
(Based on table provided by Southern California Edison Co., dated Oct. 1, 1967)
5,245 379 5,270 4,748 5,320 46,797
5,250 700 5,280 9,189 5,330 60,942
5,255 1,254 5,290 15,598 5,340 76,741
5,260 2,070 5,300 24,004 5,350 94,568
5,265 3,206 5,310 34,455 5,371 137,476
RESERVOIR STORAGE (ACRE-FEET), WATER YEAR OCTOBER 1993 TO SEPTEMBER 1994
DAILY OBSERVATION AT 2400 HOURS
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
1 120164 122352 112758 94398 90008 91450 83426 90892 89053 95902 93700 84344
2 119729 123464 111928 93851 89861 91022 83601 91134 89567 96130 93265 83937
3 119460 123631 111040 93303 89769 90633 83778 91078 90229 96092 93020 83619
4 119087 123778 111121 92774 89861 90210 83778 91134 90008 96073 92531 83252
5 119398 123799 111182 92289 89806 89898 83937 90929 89604 96073 92252 82920
6 119812 123610 110637 92009 89843 89567 84220 91301 89494 95882 92140 82553
7 119688 123401 109792 91618 90155 89126 84503 91320 89255 95806 92102 82763
8 119294 122981 108770 91190 90119 88761 84875 91227 89347 95749 91711 82868
9 118797 122834 108389 90966 90119 88416 85211 90929 89512 95844 91432 82344
10 118859 122519 107412 90505 90155 88089 85531 91115 89659 95578 90985 82134
11 118652 122331 107174 90229 89880 87563 85872 91078 89457 95254 90560 81683
12 119046 122143 107074 89990 89769 87163 86607 91227 90210 95540 90174 81527
13 119149 121789 106537 89953 89604 86804 87037 91096 90985 95768 90229 81045
14 119729 121497 106140 89769 89218 86410 87435 91264 91674 96035 89218 80838
15 119398 121247 105627 89861 89622 85998 87708 91059 92550 96016 88997 80855
16 119087 120997 105054 89714 89733 85621 88107 91041 93303 96054 88834 81027
17 118756 120330 104324 89714 90596 85317 88362 91003 94190 95940 88507 80648
18 118839 119874 103913 89512 90966 84963 89053 90929 95006 95806 88343 80734
19 119025 119916 102857 89733 91320 84450 88943 90174 95806 95425 88398 80924
20 119377 119501 101883 89475 91767 83972 89071 90063 95768 95044 88725 81114
21 120475 119232 100971 89549 91749 83496 89016 89788 95749 95749 89163 80924
22 121205 118922 100043 89659 92028 83287 89291 89071 95844 95559 88779 80786
23 120455 118445 99369 90008 92438 82903 89347 89457 95749 95444 88634 81062
24 120081 117909 98753 89751 92680 83339 89788 89144 95749 95387 88452 81165
25 119750 117148 98349 89714 92382 83095 90119 88797 96225 95330 87726 81183
26 119336 116366 97870 89916 92345 83357 90247 88507 96378 95120 87345 80683
27 119377 115548 97277 90449 92419 83479 90358 88452 96359 94949 86858 80976
28 119999 114853 96894 90284 91916 83444 89916 87980 96111 94816 86231 80855
29 120185 114159 96302 90210 --- 83531 90284 87835 95997 94587 85711 80562
30 121018 113347 95330 90100 --- 83322 90394 88198 95921 94190 85246 80355
31 121643 --- 94739 90174 --- 83339 --- 88416 --- 94020 84804 ---
MAX 121643 123799 112758 94398 92680 91450 90394 91320 96378 96130 93700 84344
MIN 118652 113347 94739 89475 89218 82903 83426 87835 89053 94020 84804 80355
a 5363.60 5359.57 5350.09 5347.65 5348.59 5343.85 5347.77 5346.69 5350.71 5349.71 5344.68 5342.13
b +1458 -8296 -18608 -4565 +1742 -8577 +7055 -1978 +7505 -1901 -9216 -4449
CAL YR 1993 b +51882
WTR YR 1994 b -39830
a Elevation, in feet, at end of month.
b Change in contents, in acre-feet.
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