10270700 SOUTH LAKE NEAR BISHOP, CA
LOCATION.-Lat 37°10'21", long 118°33'52", unsurveyed, T.9 S., R.31 E., Inyo County, Hydrologic Unit
18090102, Inyo National Forest, near spillway, at right abutment of Hillside Dam, on South Fork Bishop Creek, and
16.0 mi southwest of Bishop.
DRAINAGE AREA.-12.9 mi2.
PERIOD OF RECORD.-October 1990 to current year. Unpublished records prior to October 1990 available in files of
Southern California Edison Co.
GAGE.-Water-stage recorder. Datum of gage is sea level (levels by Southern California Edison Co.).
REMARKS.-Reservoir is formed on natural lake by rock-fill dam completed in 1910. Usable capacity, 12,883 acre-ft,
between elevations 9,621.20 ft, invert of outlet tunnel, and 9,751.31 ft, crest of spillway. Water is received
from Green Creek via Green Creek Conduit (station 10270680). Figures given represent usable contents. Water is
used for power development downstream. See schematic diagram of Bishop Creek Basin.
COOPERATION.-Records 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, 13,038 acre-ft, Aug. 4, 1993, elevation, 9,752.21 ft; minimum,
280 acre-ft, Apr. 18-25, 1993, elevation, unknown.
EXTREMES FOR CURRENT YEAR.-Maximum contents, 12,620 acre-ft, Aug. 8, elevation, 9,749.79 ft; minimum, 3,368
acre-ft, May 6, elevation, 9,676.83 ft.
Capacity table (elevation, in feet, and contents, in acre-feet)
(Based on survey by Southern California Edison Co., dated Aug. 5, 1981)
9,621.2 0 9,690 4,533
9,630 417 9,710 6,654
9,650 1,493 9,730 9,392
9,670 2,820 9,756 13,704
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 12089 11060 9167 7425 6313 5661 4624 3495 6015 10492 12587 12255
2 12062 11007 9117 7368 6293 5623 4577 3461 6145 10647 12582 12235
3 12011 10898 9053 7310 6274 5597 4526 3434 6240 10796 12580 12206
4 11972 10775 8989 7261 6249 5562 4488 3403 6318 10905 12589 12189
5 11935 10669 8928 7201 6212 5535 4430 3376 6376 11012 12603 12160
6 11905 10578 8867 7152 6189 5503 4374 3368 6444 11117 12604 12141
7 11865 10531 8831 7091 6177 5472 4320 3373 6492 11239 12611 12111
8 11814 10467 8775 7030 6144 5444 4262 3387 6577 11346 12620 12080
9 11766 10406 8717 6977 6130 5421 4210 3403 6667 11458 12606 12052
10 11729 10361 8668 6924 6111 5397 4160 3426 6782 11558 12589 12028
11 11681 10300 8618 6863 6101 5362 4108 3475 6916 11657 12584 11994
12 11636 10261 8560 6826 6084 5345 4057 3571 7075 11757 12575 11974
13 11589 10208 8504 6789 6061 5323 4006 3660 7255 11881 12556 11944
14 11534 10148 8426 6764 6031 5293 3957 3725 7453 12058 12539 11908
15 11485 10097 8381 6727 6010 5258 3911 3776 7669 12201 12517 11878
16 11428 10040 8332 6703 5995 5231 3866 3826 7883 12299 12474 11856
17 11395 9961 8274 6671 5967 5211 3826 3896 8085 12376 12455 11816
18 11351 9908 8211 6641 5939 5184 3799 3991 8300 12441 12412 11781
19 11295 9854 8145 6613 5903 5155 3780 4099 8515 12491 12393 11761
20 11267 9798 8072 6586 5887 5117 3765 4214 8735 12534 12373 11729
21 11214 9744 8030 6573 5861 5098 3751 4329 8913 12570 12362 11704
22 11178 9683 7962 6548 5837 5070 3732 4441 9080 12604 12351 11684
23 11168 9624 7915 6523 5811 5049 3719 4546 9256 12609 12337 11657
24 11148 9564 7869 6506 5783 5009 3694 4644 9444 12609 12328 11612
25 11130 9512 7818 6490 5752 4958 3665 4772 9626 12608 12318 11571
26 11119 9449 7763 6467 5734 4912 3636 4931 9771 12606 12318 11519
27 11117 9389 7709 6436 5706 4863 3607 5105 9911 12604 12322 11471
28 11109 9330 7652 6417 5684 4816 3568 5303 10038 12599 12323 11417
29 11096 9282 7599 6397 --- e4763 3546 5497 10187 12597 12313 11367
30 11084 9224 7545 6372 --- e4713 3523 5677 10331 12592 12293 11318
31 11079 --- 7479 6340 --- 4675 --- 5845 --- 12592 12279 ---
MAX 12089 11060 9167 7425 6313 5661 4624 5845 10331 12609 12620 12255
MIN 11079 9224 7479 6340 5684 4675 3523 3368 6015 10492 12279 11318
a 9740.61 9728.91 9716.80 9707.23 9701.23 9691.45 9678.70 9702.72 9735.98 9749.63 9747.80 9742.06
b -1039 -1855 -1745 -1139 -656 -1009 -1152 +2322 +4486 +2261 -313 -961
CAL YR 1998 MAX 13002 MIN 860 b +1027
WTR YR 1999 MAX 12620 MIN 3368 b -800
e Estimated.
USGS Water Resources of California
USGS Headquarters |
Biology |
Geology |
Mapping |
Water