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, and 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. Records, including
extremes, represent contents at 2400 hours. See schematic diagram of lower San Joaquin River Basin.
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, 134,587 acre-ft, June 26, elevation, 5,369.68 ft; minimum, 87,363
acre-ft, Feb. 24, elevation, 5,346.11 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 1998 TO SEPTEMBER 1999
DAILY OBSERVATION AT 2400 HOURS
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
1 131297 132030 108910 93303 93511 88634 93756 89824 111746 133869 128091 121122
2 131038 131750 108208 93416 93114 88834 93737 89824 113083 133804 127708 121080
3 130674 131383 107412 93718 92456 88943 93926 90376 114526 133587 127368 119791
4 130332 130118 106875 93190 92177 89659 93983 90707 115630 133935 127028 119771
5 130096 128899 106041 92643 91674 90063 94417 90985 116736 133956 126540 119605
6 129883 127708 105291 92102 91245 90100 94474 91693 117210 134043 126012 119543
7 129861 127134 104502 91562 90892 90284 94247 92158 117848 133717 125843 119398
8 129583 126688 103874 91171 90707 90486 94096 92888 118177 133608 125484 119274
9 129433 126076 103248 91115 90413 90578 93775 93624 118425 133391 125463 119004
10 128984 125252 102349 91115 90854 90670 93228 93775 118984 133195 125315 118777
11 128346 124513 101689 91115 90541 90615 92512 93303 119626 132095 125062 118528
12 128367 124240 101282 91003 90302 90266 91916 93397 120226 131254 124597 118280
13 128006 123107 100545 90966 89788 90615 91301 93756 120892 130396 124282 117992
14 128006 121893 99889 90947 89696 90817 90817 94816 121664 129455 123799 117704
15 128154 120913 98984 90985 89769 90578 89990 95044 122687 130353 123380 117518
16 128282 120413 97889 91283 89622 90376 89824 95082 123359 130866 122331 117477
17 128346 119584 96932 91693 89255 90045 89291 96416 124219 131254 122289 116633
18 128537 118880 95768 91823 89218 89733 88289 96645 125167 131858 121810 116304
19 128686 118012 94892 91674 88688 89769 88125 96856 126582 132504 121706 115916
20 128771 116860 94854 92028 88253 90082 88670 96703 127963 132763 121414 115507
21 128792 116222 93718 92475 88198 90615 88089 e97143 129519 132547 121309 115262
22 128984 115425 92512 92756 88307 91357 87708 e97583 131211 132547 120997 114996
23 129626 114588 91488 92831 87762 91749 87708 e98023 133086 132202 120913 114894
24 129861 113855 91693 93228 87363 92196 87671 e98483 134022 131577 120705 114710
25 130096 113063 92028 93492 87563 92475 88271 98945 134435 131017 120538 114139
26 130417 112312 91898 93416 87653 92737 88471 101980 134587 130289 120538 113956
27 130588 111524 91749 93662 87817 92888 88561 104030 134435 129754 120809 113510
28 130717 110859 92084 93907 88234 93058 88925 105686 134370 129091 120851 113428
29 131426 110073 92196 93888 --- 93020 89291 107213 134196 128941 120851 113266
30 131599 109211 92531 93605 --- 93171 89494 108950 134043 128622 121018 113895
31 131814 --- 92831 93530 --- 93548 --- 110234 --- 128091 121101 ---
MAX 131814 132030 108910 93907 93511 93548 94474 110234 134587 134043 128091 121122
MIN 128006 109211 91488 90947 87363 88634 87671 89824 111746 128091 120538 113266
a 5368.40 5357.52 5349.08 5349.45 5346.59 5349.46 5347.28 5358.03 5369.43 5366.66 5363.34 5359.84
b +237 -22603 -16380 +699 -5296 +5314 -4054 +20740 +23809 -5952 -6990 -7206
CAL YR 1998 b +4996
WTR YR 1999 b -17682
e Estimated.
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