USGS
1995 California Hydrologic Data Report
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, 135,458 acre-ft, Aug. 25, elevation, 5,370.08 ft; minimum,
53,507 acre-ft, Apr. 10, elevation, 5,329.79 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 1994 TO SEPTEMBER 1995
DAILY OBSERVATION AT 2400 HOURS
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
1 80941 84715 92831 98368 91450 69277 63790 70104 91227 119025 132871 134761
2 81079 84362 93530 97660 90229 68721 62655 71696 92289 118136 132871 134631
3 81131 84202 93869 97353 89714 68864 61482 72772 93360 118342 133000 134609
4 81665 84220 94096 98062 88761 68437 e60316 73952 95006 118880 133130 134587
5 82065 84132 94002 98445 87871 68014 e59009 75007 96244 119232 133114 134522
6 81872 84822 94285 98330 87091 67340 e57783 75807 98004 120288 133500 134370
7 82047 85352 94739 98483 86069 66703 e56435 76407 99176 121789 133587 134152
8 82518 85818 95235 98310 85388 66069 e55174 77044 100312 123652 134391 133848
9 82536 86195 95825 98445 84503 67027 e53776 77482 101572 125167 134609 133587
10 82641 86912 96283 100564 e82903 70972 53507 77887 102740 126456 134522 133456
11 82885 86984 96741 100816 e82030 71891 53818 78274 103991 127411 134478 133152
12 82903 87399 96913 100971 e80993 71761 54916 78750 105725 127921 134631 133108
13 83601 87308 97315 101320 80528 71858 55971 79415 107014 128239 134870 133391
14 83725 87980 98234 102115 79517 72429 56903 79824 108228 128899 134979 132418
15 83955 88616 98811 102955 78682 71777 57783 80252 109471 129412 135022 132073
16 84026 89016 99138 103150 78545 71230 58595 80476 110395 129947 134913 132030
17 84043 89218 99465 102622 77415 70698 59586 80786 111343 130546 135022 132202
18 84202 89972 99754 101980 76507 70763 60525 80303 112332 130781 135174 132181
19 84149 90284 100139 101359 75573 71101 60912 80355 113164 131728 135261 132052
20 84114 90560 100216 100700 74908 72364 61377 81200 113124 132159 135087 131793
21 84609 90615 100409 99869 73886 73457 61903 81925 114363 132606 135066 131362
22 84592 90799 100797 99330 73277 74281 62128 82536 114853 133108 134957 130974
23 84486 90910 100564 98830 72609 74431 62323 83689 115568 133913 134913 130866
24 84468 91059 100622 98253 72168 73473 62233 84662 117004 133913 134979 130353
25 84432 91730 100448 97870 71535 72625 62473 85388 116716 133717 135458 130011
26 84397 92382 100370 96856 70875 71535 63185 86518 116572 133217 135393 129433
27 84539 92550 99946 96492 70669 70199 63836 87055 117374 132979 135174 129284
28 84698 92944 99542 95368 69961 68848 64491 88089 117354 132634 135131 128920
29 84645 92831 99215 94134 --- 67528 65391 88761 117148 132871 134979 128834
30 84662 93133 98830 93454 --- 66285 67575 89512 118321 132440 134979 128346
31 84804 --- 98503 92401 --- 65040 --- 90358 --- 132397 135000 ---
MAX 84804 93133 100797 103150 91450 74431 67575 90358 118321 133913 135458 134761
MIN 80941 84132 92831 92401 69961 65040 53507 70104 91227 118136 132871 128346
a 5344.68 5349.24 5352.06 5348.85 5335.86 5332.71 5334.35 5347.75 5362.00 5368.67 5369.87 5366.78
b +4449 +8329 +5370 -6102 -22440 -4921 +2535 +22783 +27963 +14076 +26031 -6654
CAL YR 1994 b +3764
WTR YR 1995 b +47991
e Estimated.
a Elevation, in feet, at end of month.
b Change in contents, in acre-feet.
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