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 Unpublished records prior to October 1990 available in files of Southern California Edison Co.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, 605 acre-ft, July 8, elevation, 9,494.32 ft; minimum, 386 acre-ft, Sept. 20, elevation, 9,490.71 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 1997 TO SEPTEMBER 1998
DAILY OBSERVATION AT 2400 HOURS
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
1 428 433 428 451 433 445 445 454 459 576 491 450
2 428 433 430 450 437 442 440 448 462 583 493 453
3 428 433 434 446 438 437 437 433 448 576 497 458
4 426 434 440 442 438 429 433 423 421 574 477 465
5 424 433 434 440 442 434 431 421 433 569 453 463
6 425 434 418 448 436 433 430 415 458 579 449 451
7 428 430 401 449 435 445 429 423 446 589 449 445
8 433 429 394 445 428 448 439 424 444 605 425 438
9 437 428 392 444 442 449 444 427 462 598 418 451
10 442 433 391 445 446 451 448 424 476 578 418 435
11 440 431 389 444 445 451 452 424 463 565 428 431
12 434 430 390 444 449 440 446 422 448 571 e451 425
13 431 430 398 441 445 431 440 418 437 569 462 422
14 439 428 407 437 441 428 436 422 498 560 461 420
15 443 430 415 431 437 433 440 431 558 550 467 419
16 442 431 421 439 442 437 443 445 569 561 473 410
17 440 431 426 433 440 442 444 452 549 573 e449 401
18 437 431 431 437 441 447 446 458 555 569 e432 397
19 436 424 435 435 445 453 449 465 555 563 418 387
20 435 424 440 441 444 460 458 467 557 595 409 386
21 434 423 444 433 438 468 467 458 560 564 401 389
22 430 425 445 428 434 483 475 453 561 545 404 392
23 429 425 448 432 444 481 468 456 556 551 404 396
24 429 423 445 439 449 465 445 458 583 546 406 401
25 433 425 442 434 450 445 430 458 586 528 409 409
26 435 403 440 431 446 434 435 432 569 520 414 419
27 436 409 439 433 447 441 447 413 573 517 415 428
28 437 416 441 437 447 455 458 414 585 520 416 431
29 437 421 444 432 --- 457 463 412 586 520 424 436
30 435 425 446 440 --- 452 457 415 577 508 445 438
31 434 --- 449 433 --- 450 --- 437 --- 496 456 ---
MAX 443 434 449 451 450 483 475 467 586 605 497 465
MIN 424 403 389 428 428 428 429 412 421 496 401 386
a 9491.53 9491.38 9491.79 9491.52 9491.76 9491.81 9491.93 9491.58 9493.87 9492.57 9491.92 9491.60
b +7 -9 +24 -16 +14 +3 +7 -20 +140 -81 -40 -18
CAL YR 1997 MAX 677 MIN 389 b -2
WTR YR 1998 MAX 605 MIN 386 b +11
e Estimated.
a Elevation, in feet, at end of month.
b Change in contents, in acre feet.
USGS Water Resources of California
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Last modified: Wed Aug 4 09:40:26 PDT 1999