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

  

Project # 22

Land Areas (1992)
Irrigable area:
Full Irrigation Service20,075 acres
Supplemental Service0 acres
Temporary Irrigation Service0 acres
Number of Irrigated Farms869
Residential, Commercial, Industrial Lands359 acres
Total Irrigable Lands20,434 acres

Population Served:
Farm Population Served2,484
Non-Farm Population Served0
Total Population Served2,484

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Area Irrigated and Crop Value
YearActual Area Irrigated (Acres)Crop Value (Dollars)
198317,9094,901,261
198416,4815,250,243
198516,9395,298,477
198616,8556,211,365
198716,7515,861,942
198816,7216,330,171
198916,3977,080,664
199016,45711,559,309
199117,1799,720,721
199216,0299,856,411

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Project Water Supply
Project Water Quality

  

Project Water Supply

Current Conditions

Reservoir Storage

Stony Gorge Reservoir Hourly Reservoir Levels from California Data Exchange Center


Streamflow

Sacramento river at Colusa, California (USGS)
Streamflow Forecast Map

Spring and Summer (NRCS)
SnowpackInformation

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
Normal19.98 in
Maximum - 198349.46 in
Minimum - 1990 8.76 in
Stony Gorge Reservoir, California 1961-1990

Temperature
Mean Annual60.1 ?F
Daily Maximum - 07/16/1972116 ?F
Daily Minimum - 12/23/19909 ?F
Stony Gorge Reservoir, California 1948-1996
Growing Season220 days
Elevation of irrigable area255 ft

Stony Creek
Drainage area at Stony Gorge Reservoir735 mi2
Annual discharge at Stony Gorge Reservoir:
Maximumacre-ft
Minimumacre-ft
Averageacre-ft

Streamflows:

Stony Creek near Fruto, California (USGS)

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Project Water Quality

Upper Stony

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Facilities in Operation
Storage Facilities
Carriage Facilities

  

Facilities in Operation
Storage Dams2
Diversion Dams2
Canals16.9 mi
Laterals139 mi
Pumping Plants1

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Storage Facilities

East Park Dam

Stony Gorge Dam

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Carriage Facilities

Northside Diversion Dam

http://www.usbr.gov/dataweb/dams/ca82904.htm
Type:Concrete arch weir
LocationOn Stony Creek about 3 miles west of the town of Stonyford.
Year Completed1914
Dimensions:
Structural height44 ft
Hydraulic height29 ft
Crest length271 ft
Crest elevation1,288.7 ft
Volume2,000 yd3
Diversion capacity200 cfs

East Park Feed Canal
LocationFrom Rainbow Diversion Dam southeast to East Park Reservoir.
Construction period1913-1915
Length7.0 mi
Capacity250 cfs
Typical maximum section:
Bottom width6 ft
Side slopes1:1
Water depth6 ft
Lining thickness4 in

North Canal
LocationFrom Northside Diversion Dam southeast along Stony Creek.
Construction period1913
Length0.3 mi
Capacity125 cfs
Typical maximum section:
Bottom width14 ft
Side slopes1.5:1
Water depth4.1 ft

South Canal
LocationAlong Stony Creek southeast to Orland.
Construction period1912-1916
Length9.6 mi
Capacity260 cfs
Typical maximum section:
Bottom width18 ft
Side slopes1.5:1
Water depth3.8 ft

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Last updated: May 11, 2011