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Folsom and Sly Park Units Project
Folsom and Sly Park Units (CVP) | Project History | Project Data | Contact Information

Project Data

 

Land Areas (1992)
Irrigable area
Full Irrigation Serviceacres
Supplemental Service67,834 acres
Temporary Irrigation Service0 acres
Number of Irrigated Farms1,077
Residential, Commercial, Industrial Lands 
Total Irrigable Lands 

 

Population Served
Farm Population Served142,656
Non-Farm Population Served828,448
Total Population Served971,104

 

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Area Irrigated and Crop Value
YearActual Area Irrigated (Acres)Crop Value (Dollars)
19832,606614,038
19842,615938,180
19852,2401,020,795
19862,1731,122,823
19872,0542,321,165
19882,0381,905,651
19892,0481,910,533
19902,1812,495,046
19911,9591,969,407
19921,886664,160

 

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Project Water Supply
Project Water Quality

 

   

 

Project Water Supply

Current Conditions

Reservoir Storage

California Data Exchange Center Reservoir Levels - Folsom Lake


Streamflow

American River at Fair Oaks, California (USGS)
Camp Creek near Somerset, California (USGS)
Streamflow Forecast Map

Spring and Summer (NRCS)
Snowpack Information

Mountain Snowpack Maps for Great Basin and California
Drought Index

Palmer Drought Index Map
Explanation of Palmer Drought Severity Index (Text)

 


Historic Conditions

Annual Precipitation
Normal17.52 in
Maximum - 198333.44 in
Minimum - 19766.25 in
Sacramento, California 1941-1996 

 

Temperature
Mean Annual60.8 ?F
Daily Maximum - 06/15/1961115 ?F
Daily Minimum - 12/22/199018 ?F
Sacramento, California 1941-1996 
Growing Season200 days
Elevation of irrigable area310 ft

 

American River
Drainage area at Fair Oaks, California1,888 mi2
Annual discharge 
Maximumacre-ft
Minimumacre-ft
Averageacre-ft

 

California Data Exchange Center -- Folsom Dam Outflows (Daily Flows)
Sly Park and Camp Creeks
Drainage area at Sly Park Dam, California47 mi2
Annual discharge 
Maximumacre-ft
Minimumacre-ft
Averageacre-ft

 

Streamflows: Sly Park Creek near Pollock Pines, California (USGS)

 

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Project Water Quality

Lower American

Lower Sacramento

North Fork American

South Fork American

Upper Cosumnes

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Facilities in Operation
Storage Facilities
Diversion Facilities
Carriage Facilities
Power Facilities
Pumping Plants

 

   

 

Facilities in Operation
Storage Dams3
Diversion Dams1
Tunnels0.97 mi
Conduits53.5 mi
Powerplants2
Transmission Lines2.15 mi
Substations2

 

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Storage Facilities

Folsom Dam

Morman Island Auxiliary Dam - Located in a low saddle on Folsom Lake

Nimbus Dam

Sly Park Dam

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Diversion Facilities

Camp Creek Diversion Dam

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Carriage Facilities
Camino Conduit
LocationFrom Sly Park Dam generally west to Camino, California.
Construction period1953-1955
Length38,016 ft
Capacity125 cfs
Cross section:Horseshoe
Description:Precast concrete and welded plate steel
Diameter4-3 ft

 

Camino Tunnel
LocationAt County Road No. 90 about 1.5 mi east of Sly Park Dam
Construction period1954-1955
Length2,289 ft
Capacity125 cfs
Cross section:Horseshoe
Description:Steel reinforced, concrete lined
Diameter7 ft
Lining thickness3.5-7 in

 

Camp Creek Tunnel
LocationFrom Camp Creek Diversion Dam generally northwest to Sly Park Reservoir.
Construction period1952-1953
Length2,845 ft
Capacity500 cfs
Cross section:Horseshoe
Description:Steel reinforced, concrete lined
Diameter7 ft
Lining thickness3.5-7 in

 

El Dorado Main
LocationFrom Reservoir No. 1 generally west and terminating 3 miles west of Placerville.
Construction period1962-1963
Length95,503 ft
Capacity440 cfs
Cross section:Circular
Description:Steel pipe
Diameter12-33 in

 

El Dorado Main No. 2
LocationFrom Reservoir 2A generally west and terminating 5 miles west of Placerville,California.
Construction period1977-1978
Length73,196 ft
Capacity20-61 cfs
Cross section:Circular
Description:Steel pipe
Diameter18-33 in

 

Pleasant Oak Main
LocationFrom Reservoir A generally west and terminating south of Placerville, California.
Construction period1975-1977
Length75,599 ft
Capacity6.1-37.4 cfs
Cross section:Circular
Description:Pretensioned concrete and reinforced plastic mortar pipe
Diameter15-30 in

 

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Power Facilities

Folsom Powerplant

Nimbus Powerplant

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Pumping Plants
     

 

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Last updated: Feb 09, 2012