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Avondale Project
Avondale Project | Project History | Project Data | Contact Information

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



Project # 772


Land Areas (1992)
Irrigable area:
Full Irrigation Service367 acres
Supplemental Service0 acres
Temporary Irrigation Service0 acres
Number of Irrigated Farms56 acres
Residential, Commercial, Industrial Lands513 acres
Total Irrigable Lands880 acres


Population Served:
Farm Population Served42
Non-Farm Population served5,526
Total Population Served5,568


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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


Coeur D'Alene River near Harrison, Idaho (USGS)

Streamflow Forecast Map

Spring and Summer (NRCS)
Snowpack Information

Columbia River Snowpack Summary
Mountain Snowpack Maps for Columbia River Basin

Drought Index

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

Historic Conditions

Annual Precipitation
Normal25.11 in
Maximum - 198033.14 in
Minimum - 196719.32 in
Bayview Model Basin, ID 1948-1996 


Mean Annual44.8 F
Daily Maximum - 08/19/1967100 F
Daily Minimum - 02/02/1950-30 F
Bayview Model Basin, ID 1948-1996 
Growing Season180 days
Elevation of irrigable area2,250 - 2,300 ft


Hayden Lake
Drainage area above Hayden Lake22.0 mi2
Annual inflow to Hayden Lake 
Maximum - 195041,132 acre-ft
Minimum - 19775,765 acre-ft
Average - 1948-199720,168 acre-ft



Hayden Creek below North Fork, near Hayden Lake, Idaho (USGS)


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Project Water Quality

Upper Spokane

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Facilities in Operation
Carriage Facilities
Pumping Plants




Facilities in Operation
Main Supply Line2,400 ft
Laterals15.5 mi
Pumping Plants2
Irrigation Wells3


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Carriage Facilities
Main Supply Line
Type:Pumping Plant Intake Pipe, Discharge Line, and Main Supply Line
LocationFrom Hayden Lake west to Avondale Irrigation District.
Description24-in steel pipe
Construction period1954-1955
Length3,150 ft
Diversion capacity13.4 cfs


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Pumping Plants
DesignationNumber of unitsTotal capacity, cfsTotal dynamic head, ftTotal horsepower
Pumping Plant2312.1193900


Grid Notes

1 Government Reconstructed

2 District Constructed, 1977


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Last updated: Dec 04, 2009