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 Unpublished records prior to October 1990 available in files of Southern California 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, 677 acre-ft, Jan. 2, 1997, elevation, 9,495.43 ft; minimum, 195 acre-ft, Aug. 13, 
  1996, elevation, 9,487.17 ft. 
EXTREMES FOR CURRENT YEAR.-Maximum contents, 677 acre-ft, Jan. 2, elevation, 9,495.43 ft; minimum, e391 acre-ft, July 1, elevation, 
  unknown. 
  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 1996 TO SEPTEMBER 1997

                                        DAILY OBSERVATION AT 2400 HOURS
 
DAY       OCT      NOV      DEC      JAN      FEB      MAR      APR      MAY      JUN      JUL      AUG      SEP
 
  1       440      460      434      505      442      441      428      431      564     e391      433      435
  2       442      459      438      677      441      441      434      440      559      437      440      442
  3       440      458      442      624      444      439      437      438      558      465      451      446
  4       434      455      446      546      441      446      434      452      539      461      454      448
  5       433      453      443      501      430      448      434      452      522      433      449      447
 
  6       433      451      438      455      441      449      434      448      530      433      452      444
  7       435      449      444      434      440      449      432      434      547      456      455      438
  8       446      446      438      441      434      449      430      476      547      456      458      437
  9       437      445      430      446      441      448      430      515      531      473      458      433
 10       426      444      428      449      441      447      439      541      522      483      440      431
 
 11       422      442      447      440      434      449      441      574      522      467      421      432
 12       422      442      448      441      430      449      427      533      509      435      421      431
 13       427      443      431      439      442      448      427      546      493      435      420      433
 14       440      440      428      435      440      446      440      542      485      467      422      434
 15       450      442      426      436      433      449      459      558      480      488      432      433
 
 16       444      452      426      427      431      452      469      553      529      463      441      430
 17       440      440      430      432      436      451      476      553      551      433      441      422
 18       439      438      433      434      438      450      461      555      558      440      438      425
 19       437      446      434      434      439      454      452      556      552      441      437      427
 20       432      453      433      437      437      456      455      542      548      451      442      427
 
 21       432      451      434      437      439      452      464      530      535      470      449      426
 22       432      433      407      442      439      448      434      517      518      446      443      427
 23       431      436      406      439      439      446      432      503      497      486      443      433
 24       435      438      437      442      431      452      419      486      484      470      449      440
 25       444      440      445      437      444      463      416      460      493      453      448      436
 
 26       438      440      448      440      438      466      441      439      500      444      439      428
 27       437      470      430      442      438      462      470      471      490      446      434      425
 28       437      468      425      447      438      453      476      539      465      463      431      425
 29       452      443      442      441      ---      447      459      569      430      462      432      426
 30       455      433      453      434      ---      444      431      596      400      451      432      427
 31       459      ---      451      433      ---      438      ---      600      ---      440      432      ---
 
MAX       459      470      453      677      444      466      476      600      564      488      458      448
MIN       422      433      406      427      430      438      416      431      400      391      420      422
 a    9491.97  9491.52  9491.83  9491.52  9491.61  9491.61  9491.48  9494.23  9490.96  9491.64  9491.50  9491.41
 b        +23      -26      +18      -18       +5        0       -7     +169     -200      +40       -8       -5

CAL YR 1996   MAX 582  MIN 195  b +29
WTR YR 1997   MAX 677  MIN 391  b  -9
 
  	e  Estimated.