1996 California Hydrologic Data Report
11441100 ICE HOUSE RESERVOIR NEAR KYBURZ, CA
- 1996 WY
11441100 ICE HOUSE RESERVOIR NEAR KYBURZ, CA
LOCATION.--Lat 38°49'51", long 120°21'35", in SE 1/4 NW 1/4 sec.1, T.11 N., R.14 E., El Dorado County, Hydrologic
Unit 18020129, Eldorado National Forest, in powerplant intake structure near right bank, 0.5 mi north of Ice
House Dam on South Fork Silver Creek, and 5.2 mi northwest of Kyburz.
DRAINAGE AREA.--27.2 mi2.
RESERVOIR STORAGE RECORDS
PERIOD OF RECORD.--October 1959 to current year.
REVISED RECORDS.--WSP 1931: 1960.
GAGE.--Water-stage recorder. Datum of gage is sea level (levels by Sacramento Municipal Utility District).
Prior to July 15, 1985, at site 0.5 mi downstream at Ice House Dam at same datum.
REMARKS.--Reservoir is formed by an earthfill dam; storage began Dec. 15, 1959. Usable capacity, 45,839 acre-ft
between elevations 5,327.5 ft, centerline of fishwater outlet, and 5,450.0 ft, top of spillway gates. Dead
storage, 160 acre-ft. Reservoir is used to store water for power development. Reservoir is also forebay for
Jones Fork Powerplant (station 11440900), which diverts up to 350 ft3/s to powerplant completed in April 1985,
then to Union Valley Reservoir (station 11441001). Records, including extremes, represent total contents.
See schematic diagram of South Fork American River basin.
COOPERATION.--Records were collected by Sacramento Municipal Utility District, 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, 46,400 acre-ft, June 27, 1971, elevation, 5,450.6 ft; minimum
since reservoir first filled, 1,450 acre-ft, Dec. 8, 1983, elevation, 5,347.9 ft.
EXTREMES FOR CURRENT YEAR.--Maximum contents, 45,927 acre-ft, July 13, elevation, 5,449.90 ft; minimum,
26,047 acre-ft, Nov. 24, elevation, 5,417.42 ft.
Capacity table (elevation, in feet, and contents in acre-feet)
(Based on table provided by Sacramento Municipal Utility District, recomputed in October 1991)
5,345 1,080 5,400 17,665
5,350 1,801 5,420 27,406
5,360 3,751 5,440 39,167
5,380 9,663 5,451 46,721
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 27299 26381 26073 28950 30218 34421 34295 38573 44478 45734 42784 35641
2 27198 26366 26079 29038 30207 34307 34355 38914 44534 45798 42640 35439
3 27166 26345 26105 29082 30190 34295 34397 39212 44619 45856 42489 35238
4 27140 26324 26157 29104 30481 34367 34505 39381 44661 45770 42332 35031
5 27103 26303 26413 29115 31685 34367 34632 39544 44633 45655 42183 34656
6 27082 26282 26491 29093 32349 34295 34819 39682 44612 45569 42027 34271
7 27055 26261 26538 29087 32663 34193 35158 39872 44612 45491 41857 34056
8 27023 26240 26565 29076 32879 34103 35525 40168 44485 45541 41709 33770
9 26992 26224 26586 29071 33043 34044 35936 40313 44429 45619 41560 33592
10 26955 26204 26607 29060 33167 33996 36133 40505 44247 45698 41258 33509
11 26939 26188 26860 29044 33267 34008 36238 40824 44030 45755 40897 33408
12 26912 26167 28027 29033 33373 33972 36220 41278 43960 45841 40704 33308
13 26870 26151 28314 29027 33550 33942 36146 41742 43918 45927 40372 33231
14 26838 26136 28395 29005 33710 33853 36152 42203 43681 45870 40135 33137
15 26812 26115 28476 29038 33847 33764 36263 44107 43598 45741 40089 33073
16 26786 26105 28498 29291 34080 33693 36605 44852 43591 45627 40043 32949
17 26765 26094 28498 29456 34373 33657 36555 44093 43563 45527 40043 32494
18 26738 26089 28494 29628 34577 33698 36505 44556 43584 45413 39977 31990
19 26717 26084 28482 29716 34801 33794 36499 44443 43779 45313 39728 31456
20 26686 26073 28460 29772 34995 33924 36406 44485 43974 45185 39414 30927
21 26659 26068 28433 29827 35140 34062 36294 44753 44170 45057 39212 30605
22 26638 26063 28411 29833 35183 34223 36146 45050 44338 44901 39011 30577
23 26607 26052 28368 29894 35201 34253 36251 45114 44485 44675 38663 30543
24 26580 26047 28314 30072 35252 34229 36599 45057 44633 44450 38367 30515
25 26554 26084 28254 30106 35238 34175 36861 44993 44852 44177 38207 30481
26 26533 26084 28205 30123 35177 34121 37218 44944 45078 43960 37654 30448
27 26507 26084 28178 30235 34952 34121 37470 44894 45277 43793 37149 30408
28 26481 26073 28135 30229 34662 34277 37628 44817 45398 43591 36717 30375
29 26455 26073 28281 30223 34535 34277 37825 44718 45498 43210 36350 30341
30 26428 26068 28444 30223 --- 34247 38207 44612 45598 43086 36053 30268
31 26407 --- 28819 30223 --- 34217 --- 44513 --- 42928 35825 ---
MAX 27299 26381 28819 30235 35252 34421 38207 45114 45598 45927 42784 35641
MIN 26407 26047 26073 28950 30190 33657 34295 38573 43563 42928 35825 30268
a 5418.11 5417.46 5422.69 5425.16 5432.59 5432.06 5438.54 5447.91 5449.44 5445.63 5434.71 5425.24
b -1244 -339 +2751 +1404 +4312 -318 +3990 +6306 +1085 -2670 -7103 -5557
CAL YR 1995 MAX 45992 MIN 17258 b +7564
WTR YR 1996 MAX 45927 MIN 26047 b +2617
a Elevation, in feet, at end of month.
b Change in contents, in acre-feet.