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 Unpublished records prior to October 1990 available in files of Southern California Edison Co.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, 22 acre-ft, Sept. 30, 1996, elevation, 8,092.40 ft.
EXTREMES FOR CURRENT YEAR.-Maximum contents, 99 acre-ft, June 21, elevation, 8,100.54 ft; minimum, 30 acre-ft, Oct. 1, elevation, 8,093.68 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 1997 TO SEPTEMBER 1998
DAILY OBSERVATION AT 2400 HOURS
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
1 30 70 64 70 68 68 73 72 71 89 88 81
2 31 68 68 70 69 66 72 68 70 89 88 81
3 30 68 70 69 67 66 70 66 68 89 87 82
4 31 66 70 68 66 66 68 65 68 89 87 85
5 31 66 73 69 66 68 80 65 69 89 87 87
6 31 67 70 69 68 68 83 67 72 90 88 86
7 31 67 68 69 64 67 83 67 66 90 90 86
8 42 69 68 69 67 66 83 69 66 91 89 85
9 53 69 68 68 68 66 79 69 73 91 89 84
10 63 71 70 68 67 66 72 69 70 92 89 84
11 68 69 68 67 66 66 71 72 69 91 88 84
12 66 68 68 68 66 65 69 70 69 92 88 83
13 68 71 70 67 66 65 70 67 64 92 88 79
14 67 70 71 67 67 65 69 68 76 91 88 79
15 68 71 70 68 66 66 70 70 83 91 88 75
16 70 71 69 66 67 66 69 69 83 91 87 74
17 68 68 70 67 66 66 69 69 81 92 86 73
18 71 66 69 67 67 66 70 70 82 92 84 73
19 69 67 68 66 68 69 69 73 82 94 84 71
20 69 66 68 67 67 70 71 68 83 97 83 76
21 68 66 67 67 69 67 70 70 83 99 81 72
22 84 66 69 67 66 69 71 70 83 99 81 75
23 70 66 70 66 69 68 68 69 83 99 80 71
24 68 66 69 65 68 67 68 71 83 99 77 70
25 68 67 67 66 68 68 68 70 85 96 74 69
26 70 63 68 69 66 70 68 66 85 93 79 70
27 73 68 68 68 67 71 67 67 84 92 79 69
28 82 68 67 68 68 71 68 69 85 92 79 71
29 85 67 68 68 --- 65 73 68 87 91 79 71
30 71 67 70 68 --- 68 73 68 89 90 80 70
31 70 --- 70 67 --- 71 --- 69 --- 89 80 ---
MAX 85 71 73 70 69 71 83 73 89 99 90 87
MIN 30 63 64 65 64 65 67 65 64 89 74 69
a 8098.15 8097.91 8098.22 8097.89 8097.95 8098.27 8098.49 8098.11 8099.76 8099.74 8099.07 8098.20
b +39 -3 +3 -3 +1 +3 +2 -4 +20 0 -9 -10
CAL YR 1997 MAX 92 MIN 30 b -1
WTR YR 1998 MAX 99 MIN 30 b +39
a Elevation, in feet, at end of month.
b Change in contents, in acre feet.
USGS Water Resources of California
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Last modified: Wed Aug 4 09:40:26 PDT 1999