Corps of Engineers Flood Control Requirements for California Reservoirs
Data Ending 2400 hours 27 APR 2025
Report Generated 28 APR 2025 @ 2000
---- Sacramento Valley ----
-------------------- Storages ----------------------- Flood Control
Gross Top of Actual % of Above Top Parameters
Pool Conservation Res Gross of Conserv Rain Snow
(acft) (acft)*** (acft) Pool (acft)( **) (in) (acft)
-------------- --------- --------- --------- -------- -------------- ---------------
Shasta: 4,552,100 4,552,100 4,401,530 97 -150,570( 0) 258498 CFS
Black Butte: 136,200 136,200 131,125 96 -5,075( 0) 2.58 ---
East Park: 50,900 48,435 95
Stony Gorge: 50,000 49,273 99
Oroville: 3,425,000 3,243,972 3,248,724 95 4,752( 3) 4.95 ---
New Bullards: 966,000 889,333 909,764 94 20,431( 27) ---- ---
Indian Valley: 300,600 283,457 279,100 93 -4,357( 0) ---- ---
Folsom: 966,823 Forecasted Volumes****
27APR2025 12 890,000 905,419 94 15,419( 20) 9,826; 19,813; 31,302; 57,137
--------------------------------------------------------------------------------------------------------
28APR2025 12 893,333 903,259 93 9,926( 14) 8,763; 19,498; 30,615; 54,353
No Forecast
No Forecast
No Forecast
____________________________________________________________________________________
BASIN TOTALS 10,469,900 9,105,062 9,874,150 94 769,088( 56)
TOTAL FLOOD SPACE ENCROACHED 25,183
w/US Storages 11,124,200 10,213,736 92
** Percent Encroached
*** For a definition of Top of Conservation Storage and other relevant terms,
see the Glossary of Key Phrases page on the
**** In order (left to right) the 1 Day; 2 Day; 3 Day; and 5 Day forecasted volumes
based on the ensemble forecasts provided by cnrfc.noaa.gov
USACE Sacramento District Water Control Data System web site
---- San Joaquin Valley ----
-------------------- Storages ----------------------- Flood Control
Gross Top of Actual % of Above Top Parameters
Pool Conservation Res Gross of Conserv Rain Snow
(acft) (acft)*** (acft) Pool (acft)( **) (in) (acft)
-------------- --------- --------- --------- -------- -------------- ---------------
EBMUD Reservoirs:
Camanche: 417,120 367,072 337,120 81 -29,952( 0) ---- 220,694
Pardee: 203,795 183,330 90
Salt Springs: 140,000 79,701 57
Lower Bear: 49,000 47,412 97
New Hogan: 317,100 296,692 219,093 69 -77,599( 0) 2.57 ---
Farmington: 52,000 0 110 0 110( 0) ---- ---
New Melones: 2,420,000 2,207,500 1,994,157 82 -213,343( 0) ---- 409,636
Beardsly: 97,800 61,794 63
Donnells: 64,300 38,472 60
Tulloch: 67,000 62,278 59,900 89 -2,378( 0) ---- ---
Don Pedro: 2,030,000 1,699,189 1,790,384 88 91,195( 28) ---- 661,712
Hetch Hetchy: 360,400 295,152 82
Cherry Vly: 268,200 255,978 95
Eleanor: 26,000 23,355 90
New Exchequer: 1,024,600 841,991 849,496 83 7,505( 4) ---- 317,700
Burns: 6,800 0 6 0 6( 0) ---- ---
Bear: 7,700 0 2 0 2( 0) ---- ---
Owens: 3,600 0 3 0 3( 0) ---- ---
Mariposa: 15,000 0 195 1 195( 1) ---- ---
Los Banos: 34,600 27,642 20,674 60 -6,968( 0) ---- ---
Buchanan: 150,000 141,014 97,931 65 -43,083( 0) 2.55 ---
Hidden: 90,000 77,630 43,933 49 -33,697( 0) 3.04 ---
Friant: 520,500 483,881 426,173 82 -57,708( 0) ---- 685,759
Mammoth: 122,700 107,961 88
Total U/S: 628,500 382,485 61
Big Dry Creek: 30,200 200 188 1 -12( 0) ---- ---
___________________________________________________________________________________
BASIN TOTALS 7,186,300 6,205,090 5,839,365 81 -365,725( 0)
TOTAL FLOOD SPACE ENCROACHED 99,016
w/US Storages 9,018,450 7,207,044 80
** Percent Encroached
*** For a definition of Top of Conservation Storage and other relevant terms,
see the Glossary of Key Phrases page on the
USACE Sacramento District Water Control Data System web site
---- Tulare Lake Basin ----
-------------------- Storages ----------------------- Flood Control
Gross Top of Actual % of Above Top Parameters
Pool Conservation Res Gross of Conserv Rain Snow
(acft) (acft) (acft) Pool (acft)( **) (in) (acft)
-------------- --------- --------- --------- -------- -------------- ---------------
Pine Flat: 1,000,000 943,079 763,293 76 -179,786( 0) ---- 729,100
Total U/S: 251,900 121,079 48
Terminus: 185,600 169,417 140,352 76 -29,065( 0) 3.78 142,745
Schafer: 84,095 67,370 67,862 81 492( 3) 3.51 31,036
Isabella: 568,100 552,210 294,059 52 -258,151 ( 0) ---- 259,021
____________________________________________________________________________________
BASIN TOTALS 1,793,400 1,732,075 1,265,566 71 -466,509( 0)
TOTAL FLOOD SPACE ENCROACHED 492
w/US Storages 2,045,300 1,386,645 68
---- Truckee River Basin ----
-------------------- Storages ----------------------- Flood Control
Gross Top of Actual % of Above Top Parameters
Pool Conservation Res Gross of Conserv Rain Snow
(acft) (acft)*** (acft) Pool (acft) (in) (acft)
-------------- --------- --------- --------- -------- -------------- ---------------
Martis Creek: 20,400 800 910 4 110( 1) ---- ---
Prosser: 29,800 18,800 18,396 62 -404( 0) ---- 86,892
Boca: 41,100 37,400 26,317 64 -11,083( 0) ---- 86,892
Stampede: 226,500 216,325 186,655 82 -29,670( 0) ---- 86,892
____________________________________________________________________________________
BASIN TOTALS 317,800 273,325 232,278 73 -41,047( 0)
TOTAL FLOOD SPACE ENCROACHED 110
** Percent Encroached
*** For a definition of Top of Conservation Storage and other relevant terms,
see the Glossary of Key Phrases page on the
USACE Sacramento District Water Control Data System web site
---- Russian River Basin----
-------------------- Storages ----------------------- Flood Control
Gross Top of Actual % of Above Top Parameters
Pool Conservation Res Gross of Conserv Rain Snow
(acft) (acft)*** (acft) Pool (acft)( **) (in) (acft)
-------------- --------- --------- --------- -------- -------------- ---------------
Coyote: 116,500 103,005 102,418 88 -587( 0) ---- ---
Warm Springs: 381,000 245,000 263,986 69 18,986( 14) ---- ---
____________________________________________________________________________________
BASIN TOTALS 497,500 348,005 366,404 74 18,399( 12)
TOTAL FLOOD SPACE ENCROACHED 18,986
** Percent Encroached
*** For a definition of Top of Conservation Storage and other relevant terms,
see the Glossary of Key Phrases page on the
USACE Sacramento District Water Control Data System web site
---- So. San Francisco Bay Basin ----
-------------------- Storages ----------------------- Flood Control
Gross Top of Actual % of Above Top Parameters
Pool Conservation Res Gross of Conserv Rain Snow
(acft) (acft)*** (acft) Pool (acft)( **) (in) (acft)
-------------- --------- --------- --------- -------- -------------- ---------------
Del Valle: 77,000 40,000 40,319 52( 1) 319( 1) ---- ---
____________________________________________________________________________________
** Percent Encroached
*** For a definition of Top of Conservation Storage and other relevant terms,
see the Glossary of Key Phrases page on the
USACE Sacramento District Water Control Data System web site
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