11231000 LAKE THOMAS A. EDISON NEAR BIG CREEK, CA
LOCATION.-Lat 37°22'09", long 118°59'17", unsurveyed, T.6 1/2 S., R.27 E., Fresno County, Hydrologic Unit 18040006, Sierra National Forest, in outlet
works of Vermillion Valley Dam on Mono Creek 18.1 mi northeast of town of Big Creek.
DRAINAGE AREA.-90.0 mi2.
PERIOD OF RECORD.-October 1954 to current year. Prior to 1960, maximum and minimum daily contents were published.
GAGE.-Water-stage recorder. Datum of gage is sea level (levels by Southern California Edison Co.).
REMARKS.-Lake is formed by earthfill dam; dam completed and storage began Oct. 12, 1954. Usable capacity, 125,035 acre-ft between elevations 7,508.9 ft, invert
of outlet works, and 7,642.50 ft, top of gates in service spillway. Water is diverted at times into lake from Warm Creek (station 11231700). Water is released
for diversion to Ward Tunnel via Mono Creek Conduit (station 11231550). Records, including extremes, represent contents at 2400 hours. See schematic diagram of
upper 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, 125,983 acre-ft, Sept. 26, 1982, elevation, 7,643.55 ft; minimum since appreciable storage was attained, 4,553
acre-ft, Dec. 27, 1987, elevation, 7,552.07 ft.
EXTREMES FOR CURRENT YEAR.-Maximum contents, 124,887 acre-ft, Aug. 19, elevation, 7,642.42 ft; minimum, 5,694 acre-ft, Apr. 15, 16, elevation, 7,554.21 ft.
Capacity table (elevation, in feet, and contents, in acre-feet)
(Based on table provided by Southern California Edison Co., dated July 22, 1955)
7,550 3,567 7,580 28,515 7,620 85,006
7,555 6,147 7,590 40,454 7,630 102,367
7,560 9,521 7,600 53,769 7,640 120,424
7,570 18,137 7,610 68,616 7,644 127,820
RESERVOIR STORAGE (ACRE-FEET), WATER YEAR OCTOBER 1997 TO SEPTEMBER 1998
DAILY OBSERVATION AT 2400 HOURS
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
1 80043 61428 45384 37419 23775 17101 6444 10411 18175 72706 123463 121086
2 78432 60627 45122 36963 23524 16453 6371 11134 18877 75279 123371 121141
3 77607 59817 44860 36510 23377 15840 6292 11851 19872 77953 123408 121196
4 76800 58953 44611 36058 23156 15081 6195 12468 20387 80410 123574 121270
5 75933 58122 44453 35534 22970 14308 6101 13010 20956 82691 123777 121454
6 75083 57270 44257 35015 22877 13617 6004 13454 21838 85074 124109 121656
7 74256 56464 44114 34520 22712 12984 5946 13879 22743 87477 124387 121785
8 73413 55622 43920 34017 22567 12326 5929 14281 23597 90204 124294 121877
9 72609 54771 43660 33553 22350 11688 5877 14670 24706 92918 124054 121987
10 71853 53995 43413 33101 22164 11029 5854 15090 26036 95437 123851 122006
11 71008 53169 43154 32667 21940 10395 5831 15331 27277 97728 123906 122042
12 70243 52333 42921 32268 21747 9791 5803 15440 28449 99751 124017 122042
13 69453 51574 42703 31789 21523 9187 5785 15440 29546 101942 124183 122042
14 69042 50709 42523 31374 21401 8559 5745 15394 31016 103273 124424 122042
15 68742 49904 42304 31108 21178 7981 5694 15358 33007 104554 124591 122042
16 68335 49064 42073 30659 20946 7387 5694 15376 35340 106018 124720 122006
17 67725 48565 41842 30216 20737 6830 5699 15322 37505 108005 124794 121877
18 67162 48362 41586 29841 20507 6535 5728 15295 39799 110379 124831 121748
19 66559 48161 41319 29401 20337 6486 5797 15367 42317 112275 124887 121583
20 65941 47880 41077 28963 20118 6462 5757 15476 44925 114106 124646 121454
21 65309 47626 40823 28515 19960 6444 5843 15549 47546 116581 124535 121307
22 64668 47318 40568 28083 19735 6432 6553 15631 50190 118683 124387 121160
23 64424 47064 40316 27640 19578 6480 6919 15777 52611 120479 124220 120994
24 64378 46798 40101 27168 19333 6571 7233 15959 55011 121527 123814 120902
25 64363 46573 39825 26709 19098 6620 7501 16259 57487 122208 123278 120700
26 64210 46573 39560 26262 18867 6632 7785 16472 59949 122669 122725 120534
27 64027 46335 39308 25852 18435 6632 8133 16620 62397 122909 122226 120406
28 63468 46110 39070 25378 17779 6638 8559 16824 64851 123204 121877 120241
29 62713 45885 38846 25004 --- 6589 9083 17064 67491 123481 121564 120094
30 61905 45646 38435 24557 --- 6541 9729 17279 70084 123611 121233 119984
31 61652 --- 37924 24111 --- 6498 --- 17637 --- 123592 121068 ---
MAX 80043 61428 45384 37419 23775 17101 9729 17637 70084 123611 124887 122042
MIN 61652 45646 37924 24111 17779 6432 5694 10411 18175 72706 121068 119984
a 7605.45 7594.02 7587.98 7575.94 7569.62 7555.58 7560.27 7569.47 7610.93 7641.72 7640.35 7639.76
b -18391 -16006 -7722 -13813 -6332 -11281 +3231 +7908 +52447 +53508 -2524 -1084
CAL YR 1997 b -32797
WTR YR 1998 b +39941
a Elevation, in feet, at the end of month.
b Change in contents, in acre-feet.
USGS Water Resources of California
Contact:
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Last modified: Wed Aug 4 09:40:29 PDT 1999