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 Unpublished records for water years 1972-95 available in files of the California 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 FOR PERIOD OF RECORD.-Maximum contents, 53,612 acre-ft, Oct. 1, 1995, elevation, 3331.14 ft; minimum, 38,006 acre-ft, 
  Mar. 22, 1996, elevation, 3310.24 ft. 
EXTREMES (AT 2400) FOR CURRENT YEAR.-Maximum contents, 71,511 acre-feet, Sept. 30, elevation, 3,351.41 ft; minimum,      
  10,613 acre-ft, Feb. 16, elevation, 3,210.24.
  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 1996 TO SEPTEMBER 1997

                                        DAILY OBSERVATION AT 2400 HOURS
 
DAY       OCT      NOV      DEC      JAN      FEB      MAR      APR      MAY      JUN      JUL      AUG      SEP
 
  1     38956    35513    23854    14425    12419    10958    34785    56458    58593    57749    64309    69182
  2     39682    34902    23630    13931    12419    10991    35129    56383    58670    56433    64641    69791
  3     39418    34611    23213    13774    12323    11005    35971    57284    58730    56308    65310    68968
  4     39529    34296    22779    13513    12277    11082    36738    58747    58773    56963    65065    68094
  5     39675    33772    22505    13385    12090    11082    37694    58893    58636    57512    64093    67374
 
  6     39682    33214    22212    13278    11905    11167    39731    58936    58858    57885    63735    66951
  7     39613    32723    21911    13183    11668    11196    40964    58961    59167    57580    62729    67089
  8     39717    32204    21622    13112    11485    11973    41148    57809    59167    57351    61758    67493
  9     39391    31882    21758    13097    11233    12659    41482    56929    59228    56971    61153    66905
 10     39543    31438    21718    12857    11115    12639    41332    56635    59150    56593    61153    66210
 
 11     39738    30979    21652    12539    11980    12717    41425    56887    59073    56199    60882    65827
 12     39849    30493    21758    12224    10867    13729    40802    56668    59064    57622    60152    65065
 13     39814    30070    21809    12304    10827    14856    41099    56677    58876    59866    60812    63959
 14     39863    29568    21769    12385    10700    16128    42031    56568    58781    60664    61276    66082
 15     39717    29123    21521    12312    10642    17975    43762    56257    58927    60447    61784    66703
 
 16     39694    28757    21265    12163    10613    20277    45596    55973    58704    60186    62694    66447
 17     39460    28400    20892    11916    10657    21622    47135    56140    59328    59987    65246    67153
 18     39349    28278    20576    11399    10722    23056    48184    57470    57258    59650    66128    66841
 19     39142    27704    20155    11075    10754    24331    49448    58021    57056    60525    65582    66740
 20     39039    26881    19672    11203    10819    25526    50571    57098    56467    61486    65827    67696
 
 21     38908    26092    18987    11200    10878    26400    51875    56862    57631    61996    66264    68791
 22     38695    25964    18584    11211    10921    27251    52687    55940    59021    62084    66584    69763
 23     38401    25769    18403    11370    10969    28699    53514    55881    58833    61952    66749    70045
 24     38449    25614    19615    11266    11005    29211    54004    55881    58456    61468    68233    70233
 25     38387    25465    19576    11362    11038    28816    54323    57360    57877    61249    69024    70158
 
 26     38408    25146    19096    11396    11082    28418    55440    58644    57758    62561    68893    70186
 27     38346    24971    18172    11448    11020    27993    56484    58260    58439    64219    68363    70007
 28     38128    24633    17411    11660    10969    28126    57199    58824    58413    65301    67660    70970
 29     37398    24433    16596    11780      ---    29300    57199    58653    58670    65636    66657    71216
 30     36917    24169    15886    12147      ---    31678    56820    58243    58277    65618    66046    71511
 31     36525      ---    14977    12293      ---    33683      ---    57894      ---    65129    67153      ---
 
MAX     39863    35513    23854    14425    12419    33683    57199    58961    59328    65636    69024    71511
MIN     36525    24169    14977    11075    10613    10958    34785    55881    56467    56199    60152    63959
 a    3308.04  3287.45  3268.14  3261.44  3257.90  3303.66  3335.01  3336.28  3336.73  3344.53  3346.75  3351.41
 b      -3199   -12356    -9192    -2684    -1324    22714    23137     1074      383    6852      2024     4358

CAL YR  1998  MAX  39863  MIN  14977  b  -24000
WTR YR  1997  MAX  71511  MIN  10613  b   31787