10287760  ELLERY LAKE NEAR LEE VINING, CA

LOCATION.--Lat 37°56'08", long 119°13'50", in SW 1/4 NW 1/4 sec.21, T.1 N., R.25 E., Mono County, Hydrologic
   Unit 18090101, Inyo National Forest, in valve house at base of Rhinedollar Dam on Lee Vining Creek and 6.3 mi
   west of Lee Vining.

DRAINAGE AREA.--16.7 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  Unpublished records prior to October 1990 available in files of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 1927.  Usable capacity, 493 acre-ft
   between elevations 9,478.53 ft, invert of outlet, and 9,492.53 ft, crest of spillway.  Radial gates are
   occasionally closed, which increases elevation to 9,496.53 ft and capacity to 749 acre-ft.  Lake receives
   water from Saddlebag and Tioga Lakes (stations 10287650 and 10287700) and releases it via Poole Powerplant
   Conduit (station 10287762) to Poole Powerplant.  Figures given represent usable contents.

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, 637 acre-ft, May 15, 1992, elevation, 9,494.81 ft; minimum,
   195 acre-ft, Aug. 13, 1996, elevation, 9,487.17 ft.

EXTREMES FOR CURRENT YEAR.--Maximum contents, 582 acre-ft, June 13, elevation, 9,493.95 ft; minimum, 195 acre-ft,
   Aug. 13, elevation, 9,487.17 ft.

                         Capacity table (elevation, in feet, and contents, in acre-feet)
                    (Based on survey by Southern California Edison Co., dated Aug. 18, 1981)

					9,485	 96		9,493	522
					9,489	290		9,497	780

                    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       410      433      421      421      419      521      408      460      480      508      435      433
  2       410      429      416      422      414      514      406      440      527      535      437      434
  3       419      425      413      421      410      507      401      399      552      526      428      433
  4       422      421      416      421      415      482      422      364      556      509      430      434
  5       424      418      419      418      421      457      470      384      556      497      433      434

  6       425      416      421      416      421      465      512      418      561      502      435      439
  7       424      415      421      413      427      486      520      425      577      516      437      442
  8       424      413      420      410      433      467      521      409      572      521      437      437
  9       422      414      418      407      437      450      517      385      563      515      356      436
 10       421      414      444      409      442      437      515      407      566      517      265      437

 11       422      426      429      413      447      424      515      467      554      563      225      437
 12       423      435      433      420      451      413      513      507      565      524      209      435
 13       427      441      430      428      455      418      514      533      582      506      195      438
 14       431      442      424      434      459      418      515      525      569      512      223      441
 15       434      444      422      435      464      416      515      536      558      512      238      438

 16       434      443      416      437      468      414      514      511      559      488      260      440
 17       435      441      409      437      473      411      517      469      548      463      282      442
 18       434      440      404      437      476      410      515      440      545      461      296      437
 19       431      437      404      436      480      410      516      428      546      468      307      432
 20       428      449      412      441      482      411      515      449      561      473      313      436

 21       424      462      416      437      496      413      512      433      528      485      346      441
 22       420      459      416      434      503      414      512      419      519      482      369      437
 23       415      459      415      438      518      411      511      419      525      467      380      445
 24       410      458      410      433      527      406      519      413      513      466      389      443
 25       404      461      409      427      536      403      491      397      491      477      396      438

 26       398      451      409      427      540      403      486      410      426      483      404      432
 27       394      444      413      424      540      402      487      437      451      484      407      427
 28       396      436      413      417      538      402      467      454      455      485      409      429
 29       404      428      418      418      531      406      443      465      488      492      413      433
 30       412      427      422      417      ---      404      446      459      480      460      420      436
 31       423      ---      422      420      ---      404      ---      459      ---      431      427      ---

MAX       435      462      444      441      540      521      521      536      582      563      437      445
MIN       394      413      404      407      410      402      401      364      426      431      195      427
 a    9491.35  9491.41  9491.34  9491.30  9493.14  9491.04  9491.75  9491.97  9492.30  9491.49  9491.42  9491.57
 b        +15       +4       -5       -2     +111     -127      +42      +13      +21      -49       -4       +9

CAL YR 1995   MAX 620  MIN 337  b -19
WTR YR 1996   MAX 582  MIN 195  b +28

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