10270875 INTAKE NO. 2 RESERVOIR NEAR BISHOP, CA
LOCATION.-Lat 38°14'53", long 118°34'53", in SE 1/4 SW 1/4 sec.16, T.8 S., R.31 E., Inyo County,
Hydrologic Unit 18090102, Inyo National Forest, in outlet structure, 50 ft upstream from Bishop Creek Dam, on
Middle Fork Bishop Creek, and 13.0 mi southwest of Bishop.
DRAINAGE AREA.-31.6 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 Unpublished records prior to October 1990 available in files of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 by rock-fill dam completed in 1908. Capacity, 78 acre-ft, between elevations 8,077
ft, invert of outlet, and 8,098.81 ft, crest of spillway, all of which are available for release. Water is
received from South Fork Bishop Creek via conduit on right bank. Most of the water is diverted through conduit to
Bishop Creek Powerplant No. 2 for power development on Bishop Creek. Figures given represent total contents. 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.
EXTREMES FOR PERIOD OF RECORD.-Maximum contents, 101 acre-ft, July 9, 1995, elevation, 8,100.67 ft; minimum, 8.6
acre-ft, Nov. 2, 1998, elevation, 8,088.36 ft.
EXTREMES FOR CURRENT YEAR.-Maximum contents, 86 acre-ft, Nov. 5, July 15, maximum elevation, 8,099.53 ft, July
15; minimum, 8.6 acre-ft, Nov. 2, elevation, 8,088.36 ft.
Capacity table (elevation, in feet, and contents, in acre-feet)
(Based on survey by Southern California Edison Co., dated Aug. 12, 1981)
8,077 0 8,094 32
8,082 1 8,098 68
8,086 5 8,102 120
8,090 12
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 70 77 73 70 71 69 72 70 72 82 72 67
2 67 8.6 72 69 70 68 73 70 70 82 73 68
3 66 79 72 69 70 68 70 71 71 82 70 68
4 67 84 70 69 70 67 67 69 59 81 68 68
5 67 86 69 68 69 67 69 71 63 81 66 66
6 68 75 68 66 69 70 71 64 66 81 68 67
7 68 75 71 66 71 70 71 66 65 81 67 67
8 71 71 71 70 67 70 70 73 70 82 65 68
9 70 73 71 70 66 69 71 73 68 82 67 68
10 69 75 71 69 71 68 72 73 72 82 72 69
11 69 73 72 68 70 66 71 75 69 82 69 69
12 69 74 71 68 70 66 71 64 75 82 66 70
13 68 74 71 69 72 66 71 62 64 82 69 70
14 70 73 71 68 73 65 70 61 72 83 68 70
15 70 74 70 68 74 66 70 61 74 86 72 70
16 70 74 70 69 74 67 71 61 75 85 73 71
17 71 72 72 70 67 69 68 66 73 84 71 70
18 71 71 71 71 67 69 72 70 72 81 70 69
19 71 71 70 72 67 66 73 70 78 79 71 67
20 70 71 71 70 68 65 71 73 79 78 74 66
21 70 74 75 65 68 67 70 70 79 75 72 67
22 69 73 74 67 68 68 66 71 74 75 70 66
23 67 72 71 68 68 69 68 67 73 73 69 72
24 70 72 70 69 67 76 68 74 79 70 68 70
25 70 72 70 75 68 74 69 75 79 66 67 70
26 71 73 69 72 69 73 68 71 78 78 74 70
27 73 73 68 72 71 70 68 64 73 72 72 69
28 75 72 71 70 69 68 65 71 74 67 71 69
29 74 72 70 71 --- 68 70 66 79 68 70 69
30 73 72 72 70 --- 67 69 58 80 70 68 69
31 72 --- 71 69 --- 66 --- 66 --- 72 69 ---
MAX 75 86 75 75 74 76 73 75 80 86 74 72
MIN 66 8.6 68 65 66 65 65 58 59 66 65 66
a 8098.33 8098.38 8098.24 8098.06 8098.10 8097.86 8098.07 8097.80 8099.10 8098.37 8098.08 8098.08
b +2 0 -1 -2 0 -3 +3 -3 +14 -8 -3 0
CAL YR 1998 MAX 99 MIN 8.6 b +1
WTR YR 1999 MAX 86 MIN 8.6 b -1
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