10260790 SILVERWOOD LAKE NEAR HESPERIA, CA
LOCATION.-Lat 34°18'15", long 117°19'05", in SW 1/4 NE 1/4 sec.32, T.3 N., R.4 W., San Bernardino County, Hydrologic Unit 18090208, San Bernardino
National Forest, in control structure near spillway of Cedar Springs Dam, and 8.7 mi south of Hesperia.
DRAINAGE AREA.-34.0 mi2.
PERIOD OF RECORD.-October 1995 to current year. Unpublished records for water years 1972-95 available in files of the California Department of Water Resources.
GAGE.-Water-stage recorder. Datum of gage is sea level.
REMARKS.-Lake is formed by earthfill dam completed in 1972. Capacity, 74,970 acre-ft, at spillway crest of 3,355 ft. Dead storage at invert of outlet structure,
3,967 acre-ft, elevation 3,235 ft. Lake is a holding basin for California Aqueduct. See schematic diagram of Mojave River Basin. See REMARKS for station
10260820.
COOPERATION.-Records were collected by California Department of Water Resources 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 (AT 2400 HOURS) FOR PERIOD OF RECORD.-Maximum contents, 74,521 acre-ft, Jan. 18, 1998, elevation, 3,354.54 ft; minimum, 38,006
acre-ft, Mar. 22, 1996, elevation, 3,310.24 ft.
EXTREMES (AT 2400 HOURS) FOR CURRENT YEAR.-Maximum contents, 74,521 acre-ft, Jan. 18, elevation, 3,354.54 ft; minimum, 62,525 acre-ft, Oct. 23, elevation,
3,341.62.
Capacity table (elevation, in feet, and contents, in acre-feet)
(Based on table provided by California Department of Water Resources, dated January 1978)
3,300 31,395 3,335 56,811
3,315 41,311 3,345 65,554
3,325 48,732 3,355 74,970
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 71435 67328 69173 69229 69998 69716 64344 67743 70308 72417 66091 69575
2 71558 66731 69033 69295 69932 69547 64740 68039 70809 72197 66210 69510
3 70841 66648 68996 69407 70073 69510 65228 68279 70761 72035 65863 69369
4 71273 67015 69369 69585 69876 69407 65727 68744 70761 72044 64939 68791
5 72360 67438 69444 69566 69641 69276 66027 70214 70799 72044 64165 69463
6 72878 68567 70111 69725 70355 69332 66374 71292 71188 71939 63878 69988
7 73080 70054 71064 69866 70951 69248 66529 72293 71150 71634 63655 70337
8 73032 70525 71501 69998 71606 69136 67033 72178 71150 71492 65400 70676
9 72188 70922 71606 70856 71435 68912 67254 72283 71121 71197 67070 70932
10 71397 71387 71235 71435 71121 68679 67595 72197 71026 70790 66795 71710
11 70412 71730 70979 71720 70771 68521 68382 72025 70922 70676 66474 71873
12 69557 71264 70544 71663 70440 68094 68912 73157 70686 70799 66447 72063
13 69313 71730 70799 71758 70271 67752 69257 73060 70705 70629 65618 72983
14 68958 71273 70365 72035 70337 67447 68707 72762 71045 69866 64336 72283
15 68614 71045 70487 72293 70337 66997 68753 72657 71378 69575 66082 72063
16 68391 70828 70525 72955 70035 66648 68735 72676 71311 69519 68354 72073
17 67190 70884 70469 73803 69904 66264 68958 72561 71321 69585 69819 72226
18 65754 70970 70393 74521 69566 65854 68996 72475 71710 69229 69810 71235
19 64434 70487 69894 74512 69220 65373 69173 72475 71720 68949 69885 71682
20 62969 70487 70469 74452 68977 65084 69443 72140 72054 68847 69304 71901
21 62836 70582 69988 73929 68670 64668 69416 71749 72235 68837 68874 71777
22 62605 70035 70535 73803 68865 64228 69463 71150 72016 68595 69566 72083
23 62525 69491 70525 73504 71444 64219 69425 70591 71653 68354 69014 72216
24 62791 69397 70469 73003 71425 64228 69173 70346 71930 67540 69145 71787
25 63932 69388 70412 72571 70799 64497 68493 70139 71787 68029 69164 71977
26 66292 68893 69894 72054 70327 64075 67927 69847 71644 67780 68977 72350
27 67715 68707 69894 71634 70148 64542 67715 69744 72159 67374 69070 72130
28 67687 68781 69285 71121 69960 65029 67429 69491 72274 67263 69201 71444
29 67374 68791 69266 70790 --- 65264 67576 69248 72360 66804 69913 71387
30 67457 68558 69285 70535 --- 64740 67780 69201 72417 66319 70082 71264
31 67346 --- 69229 70318 --- 64300 --- 70242 --- 66118 69379 ---
MAX 73080 71730 71606 74521 71606 69716 69463 73157 72417 72417 70082 72983
MIN 62525 66648 68996 69229 68670 64075 64344 67743 70308 66118 63655 68791
a 3346.96 3348.27 3348.99 3350.15 3349.77 3343.61 3347.43 3350.07 3352.36 3345.62 3349.15 3351.15
b -4165 +1212 +671 +1089 -358 -5660 +3480 +2462 +2175 -6299 +3261 +1885
CAL YR 1997 b +54252
WTR YR 1998 b +247
a Elevation, in feet, at end of month.
b Change in contents, in acre feet.
USGS Water Resources of California
Contact:
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Last modified: Wed Aug 4 09:40:26 PDT 1999