10287650 SADDLEBAG LAKE NEAR LEE VINING, CA

LOCATION.-Lat 37°57'56", long 119°16'18", unsurveyed, T.1 N., R.24 E., Mono County, Hydrologic Unit 18090101, Inyo National Forest, near 
  left abutment of dam on Lee Vining Creek and 8.2 mi west of Lee Vining. 
DRAINAGE AREA.-16.3 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 Unpublished records prior to October 1990 available in files of Southern California 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 rock-fill dam completed in 1921. Usable capacity, 9,789 acre-ft between elevations 
  10,048.80 ft, invert of outlet, and 10,090.40 ft, crest of spillway. At times, a cofferdam 600 ft upstream affects the storage below about 
  800 acre-ft, due to the constriction of flow past the cofferdam. 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. Contents not rounded to U.S. Geological Survey standards. 
EXTREMES FOR PERIOD OF RECORD.-Maximum contents, 9,454 acre-ft, Aug. 24, 25, 1995, elevation, 10,089.26 ft; minimum, 558 acre-ft, 
  Apr. 5, 23, 24, 27, 1995, elevation, 10,051.84 ft. 
EXTREMES FOR CURRENT YEAR.-Maximum contents, 8,028 acre-ft, Oct. 1, elevation, 10,084.23 ft; minimum, 769 acre-ft, Apr. 29, 
  elevation, 10,052.96 ft. 
  Capacity table (elevation, in feet, and contents, in acre-feet)
  (Based on survey by Southern California Edison Co., dated Feb. 8, 1985)
	10,050	217	10,070	4,392
	10,055	1,163	10,080	6,890
	10,060	2,172	10,091	9,970

                   RESERVOIR STORAGE (ACRE-FEET), WATER YEAR OCTOBER 1996 TO SEPTEMBER 1997

                                        DAILY OBSERVATION AT 2400 HOURS
 
DAY       OCT      NOV      DEC      JAN      FEB      MAR      APR      MAY      JUN      JUL      AUG      SEP
 
  1      8028     7409     6717     6085     5271     3797     1930      886     2805     4877     5932     6067
  2      8015     7377     6681     6271     5214     3756     1885      896     2897     4894     5942     6069
  3      8012     7344     6639     6348     5158     3706     1836      911     3001     4911     5952     6067
  4      8001     7318     6590     6366     5106     3638     1783      930     3084     4955     5965     6064
  5      7995     7291     6629     6379     5048     3551     1739      957     3144     4994     5977     6054
 
  6      7990     7254     6603     6379     4994     3481     1682     1000     3179     5031     6000     6044
  7      7973     7222     6556     6366     4928     3403     1642     1048     3250     5075     6018     6039
  8      7954     7190     6509     6348     4887     3325     1593     1074     3330     5111     6046     6026
  9      7932     7168     6499     6305     4829     3259     1557     1112     3408     5172     6074     6023
 10      7910     7137     6532     6253     4774     3186     1511     1157     3470     5221     6077     6008
 
 11      7889     7105     6538     6195     4714     3115     1465     1232     3538     5268     6082     5998
 12      7867     7073     6504     6166     4664     3045     1422     1301     3597     5307     6087     5988
 13      7840     7044     6470     6115     4611     2977     1380     1382     3649     5337     6102     5972
 14      7815     7014     6431     6054     4554     2907     1334     1471     3688     5376     6108     5985
 15      7782     6996     6390     6003     4497     2840     1299     1559     3722     5421     6105     5947
 
 16      7769     6980     6341     5944     4442     2777     1232     1652     3783     5471     6110     5929
 17      7750     7054     6310     5881     4399     2712     1183     1727     3875     5506     6120     5909
 18      7733     7038     6269     5820     4350     2648     1134     1808     3983     5525     6123     5901
 19      7717     7036     6228     5765     4296     2581     1087     1889     4102     5550     6125     5894
 20      7690     7006     6182     5753     4247     2522     1056     1961     4226     5575     6123     5868
 
 21      7666     7009     6215     5705     4193     2462     1033     2012     4331     5618     6123     5853
 22      7644     7014     6241     5708     4144     2401      998     2072     4413     5660     6120     5830
 23      7614     6985     6205     5665     4099     2346      971     2128     4475     5713     6123     5808
 24      7595     6964     6166     5613     4055     2292      923     2153     4532     5753     6118     5785
 25      7584     6938     6118     5625     3995     2237      873     2172     4597     5780     6118     5778
 
 26      7552     6911     6105     5613     3937     2180      829     2193     4671     5808     6118     5758
 27      7517     6874     6082     5553     3902     2141      810     2231     4726     5830     6108     5740
 28      7487     6838     6044     5501     3859     2095      800     2310     4791     5863     6100     5723
 29      7481     6804     6039     5443      ---     2048      769     2407     4834     5883     6092     5708
 30      7468     6751     6011     5381      ---     2000      879     2545     4865     5906     6085     5695
 31      7444      ---     5977     5325      ---     1973      ---     2700      ---     5924     6077      ---
 
MAX      8028     7409     6717     6379     5271     3797     1930     2700     4865     5924     6125     6069
MIN      7444     6751     5977     5325     3859     1973      769      886     2805     4877     5932     5695
 a   10082.08 10079.47 10076.47 10073.86 10067.71 10059.04 10053.53 10062.49 10071.98 10076.26 10076.86 10075.35
 b       -573     -693     -774     -652    -1466    -1886    -1094    +1821    +2165    +1059     +153     -382

CAL YR 1996   MAX 8150  MIN 1469  b   -77
WTR YR 1997   MAX 8028  MIN  769  b -2322