10287285 AGNEW LAKE NEAR JUNE LAKE, CA
LOCATION.-Lat 37°45'30", long 119°07'52", unsurveyed, T.2 S., R.26 E., Mono County, Hydrologic Unit
18090101, Inyo National Forest, in boat house, at left abutment of dam on Rush Creek, and 3.3 mi southwest of
town of June Lake.
DRAINAGE AREA.-23.3 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 Unpublished records prior to October 1990 available in files of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 concrete dam completed in 1916. Usable capacity, 810 acre-ft,
between elevations 8,470.00 ft, invert of outlet, and 8,495.88 ft, crest of spillway. Figures given represent
usable contents. Water is used for power development downstream.
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, 871 acre-ft, Aug. 30, 1995, elevation, 8,497.40 ft; minimum, 22
acre-ft, Feb. 28, 1991, elevation, 8,470.97 ft.
EXTREMES FOR CURRENT YEAR.-Maximum contents, 835 acre-ft, June 29, elevation, 8,496.49 ft; minimum, 26 acre-ft,
many days, minimum elevation, 8,471.12 ft.
Capacity table (elevation, in feet, and contents, in acre-feet)
(Based on survey by Southern California Edison Co., dated Aug. 25, 1981)
8,470 0 8,485 415
8,475 122 8,490 587
8,480 260 8,498 896
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
1 762 220 26 26 26 26 26 50 444 834 783 797
2 759 213 26 26 26 26 26 51 459 833 779 799
3 757 213 26 26 26 26 26 51 470 832 777 800
4 756 203 26 26 26 26 26 51 477 828 777 801
5 755 184 26 26 26 26 26 52 483 825 777 802
6 753 166 26 26 26 26 26 57 491 822 778 803
7 752 150 26 26 26 26 26 64 705 821 779 805
8 750 132 26 26 26 26 26 72 813 822 781 805
9 748 114 26 26 26 26 26 79 815 821 783 805
10 746 97 26 26 26 26 26 86 816 819 785 805
11 745 82 26 26 27 26 26 95 817 820 787 806
12 743 67 26 26 28 26 26 109 817 820 789 807
13 740 51 26 26 27 26 26 123 818 819 789 807
14 738 36 26 26 27 26 26 130 818 820 790 808
15 737 26 26 26 27 26 26 136 818 819 791 809
16 735 26 26 26 27 26 28 143 818 816 792 809
17 734 26 26 26 27 26 30 153 818 811 792 807
18 732 26 26 26 26 26 31 163 818 808 793 808
19 730 26 26 26 26 26 32 174 818 806 794 810
20 742 26 26 26 26 26 34 188 816 803 794 810
21 709 26 26 26 26 26 37 203 817 803 795 811
22 641 26 26 26 26 26 38 217 817 803 795 811
23 575 26 26 26 26 26 40 236 816 800 796 811
24 512 26 26 26 26 26 40 262 815 800 797 811
25 447 26 26 26 26 26 41 288 814 799 797 811
26 385 26 26 26 26 26 43 313 821 799 799 811
27 323 26 26 26 26 26 45 335 828 797 801 811
28 289 26 26 26 26 26 46 361 833 793 802 811
29 272 26 26 26 --- 26 47 385 835 791 803 811
30 254 26 26 26 --- 26 48 406 834 788 796 810
31 237 --- 26 26 --- 26 --- 424 --- 785 797 ---
MAX 762 220 26 26 28 26 48 424 835 834 803 811
MIN 237 26 26 26 26 26 26 50 444 785 777 797
a 8479.21 8471.12 8471.14 8471.13 8471.14 8471.14 8472.06 8485.28 8496.47 8495.25 8495.54 8495.87
b -525 -211 0 0 0 0 +22 +376 +410 -49 +12 +13
CAL YR 1998 MAX 857 MIN 26 b -1
WTR YR 1999 MAX 835 MIN 26 b +48
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