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Crooked River Project
Crooked River Project | Project History | Project Data | Contact Information

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



Project # 113


Land Areas (1992)
Irrigable area:
Full Irrigation Service17,883 acres
Supplemental Service0 acres
Temporary Irrigation Service0 acres
Number of Irrigated Farms105
Residential, Commercial, Industrial Lands1,187 acres
Total Irrigable Lands19,070 acres


Population Served:
Farm Population Served419
Non-Farm Population Served2,967
Total Population Served3,386


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Area Irrigated and Crop Value
Area Irrigated and Crop Value
YearActual Area Irrigated (Acres)Crop Value (Dollars)


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Project Water Supply
Project Water Quality



Project Water Supply

Current Conditions

Reservoir Storage

Major Storage Reservoirs in the Deschutes River Basin

Weather Conditions (NOAA)



Deschutes River near Madras, Oregon (USGS)

Streamflow Forecast Map

Spring and Summer (NRCS)

Snowpack Information

Columbia River Snowpack Summary (NRCS)
Mountain Snowpack Maps for Colombia River Basin (NRCS)
Drought Index

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


Historic Conditions

Annual Precipitation
Normal10.48 in
Maximum - 198317.71 in
Minimum - 19745.99 in
Prinevelle, Oregon 1961-1990 


Mean Annual47 ?F
Daily Maximum - 08/07/1972105 ?F
Daily Minimum - 01/21/1930-35 ?F
Prineville, Oregon 1928-1996 
Growing Season108 days
Elevation of irrigable area2,900 - 3,050 ft


Ochoco River
Drainage area at Ochoco Dam291 sq mi
Annual discharge: 
Maximum - 192162,180 acre-ft
Minimum - 19246,189 acre-ft
Average - 1917-192827,024 acre-ft

Streamflows: Ochoco Creek above Mill Creek near Prineville, Oregon (USGS)

Crooked River
Drainage area at Arthur R. Bowman Dam2,810 sq mi
Annual discharge: 
Maximum - 1984687,834 acre-ft
Minimum - 196138,853 acre-ft
Average - 1941-1991261,885 acre-ft

Streamflows: Crooked River near Prineville, Oregon (USGS)


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Project Water Quality

Lower Crooked River


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



Facilities in Operation
Facilities in Operation
Storage Dams2
Diversion Dams2
Canals49 mi
Laterals48 mi
Drains11 mi
Pumping Plants11


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Storage Facilities

Arthur R. Bowman Dam

Ochoco Dam

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Regulatory Facilities

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Diversion Facilities
Lytle Creek Diversion Dam
Type:Rockfill with timber cutoff, embankment wing
Location:On Lytle Creek near Prineville, Oregon
Year Completed1962
Height above streambed4 ft
Crest length200 ft
Crest elevation2,870.3 ft
Headworks:One 18-in and two 36-in slide gates.
Diversion capacity72 cfs


Diversion Canal Headworks
Type:Canal headworks and concrete wingwalls
Location:On Crooked River, 6 miles upstream from Prineville, Oregon.
Year Completed1961
Height above streambed15 ft
Crest length130 ft
Crest elevation2,900.0 ft
Headworks:Three 4-ft-square slide gates
Diversion capacity160 cfs


Diversion Canal
Location:From Lytle Creek Diversion Dam to Barnes Butte Pumping Plant.
Construction period1960-1961
Length8.3 mi
Initial capacity160 cfs
Typical section in earth: 
Bottom width12 ft
Side slopes1.5:1
Water depth4.1 ft


Distribution Canal
Location:From Barnes Butte Pumping Plant to an area near McKay Creek.
Construction period1960-1961
Length15.8 mi
Initial capacity102 cfs
Typical section in earth: 
Bottom width9 ft
Side slopes1.5:1
Water depth3.6 ft


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Carriage Facilities


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Pumping Plants
DesignationNumber of unitsTotal capacity, cfsTotal dynamic head, ftTotal horsepower
Barnes Butte5147821,800
Ochoco Relift480991,300
Combs Flat26.5140135
Johnson Creek214.2125250
McKay Creek1.0034925
Grimes Flat32178260
Stahancyk No. 12443
Stahancyk No. 22443


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Last updated: Jan 03, 2013