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

  

Land Areas (1992)
Irrigable area:
Full Irrigation Serviceacres
Supplemental Service43,380 acres
Temporary Irrigation Service0 acres
Number of Irrigated Farms
Residential, Commercial, Industrial Lands
Total Irrigable Lands

Population Served:
Farm Population Served
Non-Farm Population Served
Total Population Served

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Area Irrigated and Crop Value
YearActual Area Irrigated (Acres)Crop Value (Dollars)
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992

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Project Water Supply
Project Water Quality

  

Project Water Supply

Current Conditions

Reservoir Storage (Army Corps of Engineers Graphs for Water Year 2000)

Prosser Creek Reservoir
Stampede Reservoir


Streamflow

Prosser Creek below Prosser Dam near Truckee, California (USGS)
Truckee River at Tahoe City, 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
Normal7.53 in
Maximum - 198313.23 in
Minimum - 19663.27 in
Reno, Nevada 1961-1990

Temperature
Mean Annual50.1 ?F
Daily Maximum - 08/11/1940105 ?F
Daily Minimum - 01/02/1942-16 ?F
Reno, Nevada 1937-1996
Growing Season104 days
Elevation of irrigable area4,730 ft

Prosser Creek
Drainage area at Prosser Creek reservoir50 mi2
Annual discharge:
Maximumacre-ft
Minimum acre-ft
Averageacre-ft

Truckee River
Drainage area at Tahoe City, Nevada500 mi2
Annual discharge:
Maximumacre-ft
Minimum acre-ft
Averageacre-ft

Reservoir Conditions: - Army Corps of Engineers Graphs for Water Year 1999

Prosser Creek Reservoir
Stampede Reservoir

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Project Water Quality

Lake Tahoe

Truckee

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Facilities in Operation
Storage Facilities
Diversion Faciities
Carriage Facilities
Power Facilities

  

Facilities in Operation
Storage Dams2
Diversion Dams1
Fishway3.0 mi
Powerplants1

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Storage Facilities

Prosser Creek Dam

Stampede Dam

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Diversion Faciities
http://www.usbr.gov/dataweb/dams/nv20006.htm
Type:Zoned earthfill
LocationAbout 3 miles from the terminus of the Truckee River on the Pyramid Lake Indian Reservation.
Year Completed1975
Dimensions:
Structural height35 ft
Hydraulic height22 ft
Crest length1,622 ft
Crest elevation3,866.0 ft
Volume208,000 yd3
Spillway capacity at 3864.9 ft19,300 cfs
Pyramid Lake Fishway
Diversion capacity50 cfs

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Carriage Facilities
Pyramid Lake Fishway - Fish handling facilities are located at Marble Bluff Dam
LocationFrom Marble Bluff Dam to Pyramid Lake.
Construction period1975
Length3.0 mi
Capacity50 cfs
Pypical section - initial reach
Bottom width6 ft
Side slopes1.75:1
Water depth4 ft
Lining thickness1.5 ft

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Power Facilities

Stampede Powerplant

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Last updated: May 17, 2011