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Santa Maria Project
Santa Maria Project | Project History | Project Data | Contact Information

Project Data
Land Areas (1992)
Area Irrigated and Crop Value

  

Project # 575

Land Areas (1992)
Irrigable area:
Full Irrigation Service9,000 acres
Supplemental Service20,440 acres
Temporary Irrigation Service0 acres
Number of Irrigated Farms460
Residential, Commercial, Industrial Lands5,760 acres
Total Irrigable Lands35,200 acres

Population Served:
Farm Population Served0
Non-Farm Population Served5,000
Total Population Served5,000

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Area Irrigated and Crop Value
YearActual Area Irrigated (Acres)Crop Value (Dollars)
198327,300122,200,429
198427,300127,174,402
198527,300126,937,748
198627,300126,937,748
198721,60069,230,790
198827,300160,107,668
198927,300145,655,914
199027,300137,777,717
199127,300161,966,436
199227,300129,413,100

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Project Water Supply
Project Water Quality

  

Project Water Supply

Current Conditions

Reservoir Storage

California Data Exchange Center End-of-Month Storage for Twitchell Reservoir



Streamflow

Cuyama River near Santa Maria, California (USGS)
Streamflow Forecast Map

Spring and Summer (NRCS)
Snowpack Information

Mountain Snowpack Maps for Great Basin & California
Drought Index

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


Historic Conditions

Annual Precipitation
Normal16.54 in
Maximum - 198333.30 in
Minimum - 19895.90 in
Twitchell Dam, California 1961-1990

Temperature
Mean Annual59.5 ?F
Daily Maximum - 08/04/1969109 ?F
Daily Minimum - 04/11/197918 ?F
Twitchell Dam, California 1961-1994
Growing Season365 days
Elevation of irrigable area350 ft

Cuyama River
Drainage area above Twitchell Dam1,135 mi2
Annual discharge.
Maximumacre-ft
Minimumacre-ft
Averageacre-ft

Streamflows:

Cuyama River below Twitchell Dam, California (USGS)

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Project Water Quality

Cuyama

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Facilities in Operation
Storage Facilities

  

Facilities in Operation
Storage Dams1

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Storage Facilities

Twitchell Dam

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Last updated: May 17, 2011