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Spokane Valley Project
Spokane Valley Project | Project History | Project Data | Contact Information

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

 

  

Project # 808

Land Areas (1992)
Irrigable area:
Full Irrigation Service5,673 acres
Supplemental Service0 acres
Temporary Irrigation Service0 acres
Number of Irrigated Farms320
Residential, Commercial, Industrial Lands1,830 acres
Total Irrigable Lands7,503 acres

 

Population Served:
Farm Population Served965
Non-Farm Population Served16,210
Total Population Served17,175

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Area Irrigated and Crop Value
YearActual Area Irrigated (Acres)Crop Value (Dollars)
19833,040866,625
19844,131950,262
19854,1951,340,950
19864,2601,160,825
19874,2401,204,050
19884,1851,188,425
19894,2151,041,658
19904,115779,685
19913,925796,695
19923,995822,440

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Project Water Supply
Project Water Quality

 

   

Project Water Supply

Current Conditions



Drought Index

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

 


Historic Conditions

Annual Precipitation
Normal16.49 in
Maximum - 198322.64 in
Minimum - 198511.21 in
Spokane, Washington 1961-1996 

 

Temperature
Mean Annual48 ?F
Daily Maximum - 07/26/1928108 ?F
Daily Minimum - 12/30/1968-25 ?F
Spokane, Washington 1889-1996 
Growing Season179 days
Elevation of irrigable area1,900 - 2,100 ft

 

Ground-water supply from 34 wells16-22 inches in diameter
Average annual pumped supplyacre ft

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Project Water Quality

Upper Spokane River

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Facilities in Operation
Storage Facilities
Carriage Facilities
Pumping Plants

 

   

Facilities in Operation
Pressure pipelines103 mi
Service Connections (domestic, municipal, and industrial)3,235
Service Connections (irrigation)3,500
Wells34
Pumping Units34

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Storage Facilities

Eleven elevated steel-tank regulation reservoirs, 6,680-ft3 capacity each. Total capacity 73,480 ft3.

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Carriage Facilities

Pressure pipelines, asbestos-cement, ranging in diameter from 6 to 24 in, extending for 103 miles.

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Pumping Plants
DesignationNumber of unitsTotal capacity, cfsTotal dynamic head, ftTotal horsepower
Well pump units341622.6-7.4100-300

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Last updated: May 17, 2011