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  Unpublished records prior to October 1990 available in files of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, 9,042 acre-ft, Oct. 1, elevation, 10,087.84 ft; minimum,
   1,469 acre-ft, Apr. 15, elevation, 10,056.55 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 1995 TO SEPTEMBER 1996
                                        DAILY OBSERVATION AT 2400 HOURS

DAY       OCT      NOV      DEC      JAN      FEB      MAR      APR      MAY      JUN      JUL      AUG      SEP

  1      9042     8475     7430     5995     4796     3556     1855     1694     2918     5906     7812     8147
  2      9017     8456     7387     5960     4757     3502     1802     1745     3001     6018     7842     8147
  3      9000     8439     7326     5906     4704     3454     1747     1777     3106     6118     7861     8150
  4      8982     8417     7286     5853     4724     3463     1686     1810     3221     6200     7872     8122
  5      8965     8395     7232     5800     4702     3430     1615     1853     3341     6279     7886     8147

  6      8948     8375     7168     5758     4654     3379     1551     1891     3475     6356     7899     8147
  7      8928     8356     7118     5703     4604     3325     1487     1938     3626     6447     7913     8145
  8      8914     8331     7065     5658     4547     3263     1477     1969     3786     6535     7921     8139
  9      8894     8317     7006     5613     4489     3192     1475     1994     3934     6623     7935     8134
 10      8871     8300     6961     5565     4435     3122     1479     2027     4062     6712     7951     8134

 11      8857     8278     6946     5513     4376     3071     1477     2077     4181     6853     7971     8131
 12      8834     8258     6996     5468     4317     3012     1477     2143     4296     6964     7990     8128
 13      8814     8242     6967     5419     4263     2960     1471     2226     4432     7030     8004     8131
 14      8795     8222     6895     5369     4209     2892     1471     2313     4566     7097     8023     8128
 15      8780     8200     6869     5329     4153     2821     1469     2409     4692     7168     8040     8128

 16      8763     8186     6819     5344     4102     2751     1513     2496     4812     7219     8056     8125
 17      8744     8161     6762     5295     4055     2682     1517     2547     4909     7267     8075     8114
 18      8727     8142     6712     5288     4004     2618     1527     2579     5011     7299     8084     8111
 19      8710     8125     6657     5268     4034     2556     1531     2609     5119     7323     8095     8100
 20      8693     8089     6610     5241     4002     2488     1527     2626     5229     7350     8100     8089

 21      8670     8026     6558     5199     3990     2429     1523     2650     5325     7379     8103     8081
 22      8659     7965     6506     5158     3944     2380     1517     2674     5396     7417     8106     8073
 23      8639     7908     6460     5121     3886     2323     1499     2715     5496     7460     8111     8064
 24      8619     7848     6410     5070     3854     2258     1513     2725     5578     7511     8117     8059
 25      8596     7774     6359     5062     3813     2208     1519     2730     5645     7546     8128     8053

 26      8574     7736     6305     5026     3763     2137     1535     2741     5678     7584     8139     8045
 27      8560     7679     6271     5009     3715     2083     1557     2764     5705     7633     8134     8040
 28      8543     7619     6200     4965     3660     2052     1587     2782     5730     7671     8134     8031
 29      8531     7557     6148     4919     3610     1988     1611     2803     5765     7714     8136     8026
 30      8509     7503     6108     4882      ---     1932     1654     2831     5823     7750     8136     8017
 31      8492      ---     6054     4844      ---     1865      ---     2864      ---     7780     8142      ---

MAX      9042     8475     7430     5995     4796     3556     1855     2864     5823     7780     8142     8150
MIN      8492     7503     6054     4844     3610     1865     1469     1694     2918     5906     7812     8017
 a   10085.90 10082.30 10076.77 10071.89 10066.62 10058.51 10057.47 10063.25 10075.86 10083.32 10084.64 10084.19
 b       -576     -989    -1449    -1210    -1234    -1745     -211    +1210    +2959    +1957     +362     -125

CAL YR 1995   MAX 9454  MIN  558  b +2837
WTR YR 1996   MAX 9042  MIN 1469  b -1051

  a Elevation, in feet, at end of month.
  b Change in contents, in acre-feet.