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Eden Project
Eden Project | Project History | Project Data | Contact Information

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

 

  

Project # 153

 

Land Areas (1992)
Irrigable area:
Full Irrigation Service17,010 acres
Supplemental Service0 acres
Temporary Irrigation Service0 acres
Number of Irrigated Farms75
Residential, Commercial, Industrial Lands0 acres
Total Irrigable Lands17,010 acres

 

Population Served:
Farm Population Served231
Non-Farm Population Served0
Total Population Served231

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Area Irrigated and Crop Value
YearActual Area Irrigated (Acres)Crop Value (Dollars)
198814,4381,626,336
19899,693831,755
199010,4541,111,174
199113,2551,616,870
199214,4991,747,018
199315,2142,305,181
199415,7433,404,543
199515,8403,298,480
199615,9193,515,353
199716,0993,129,315

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Project Water Supply
Project Water Quality

 

   

Project Water Supply

Current Conditions

Streamflow

Big Sandy River at Gasson Bridge, near Eden, Wyoming (USGS)
Streamflow Forecast Map

Spring and Summer (NRCS)
Snowpack Information

Mountain Snowpack Maps for Colorado River Basin
Drought Index

Palmer Drought Index Map


Historic Conditions


Annual Precipitation
Normal9.44 in
Maximum - 196514.54 in
Minimum - 19884.53 in
Rock Springs, Wyoming 1961-1990 

 

Temperature
Mean Annual42.7 ?F
Daily Maximum - 06/23/195496 ?F
Daily Minimum - 01/12/1963-37 ?F
Rock Springs, Wyoming 1948-1996 
Growing Season90 days
Elevation of irrigable area6,500 ft

 

Big Sandy Creek
Drainage area above Big Sandy Dam439 sq mi
Annual discharge: 
Maximum acre-ft
Minimumacre-ft
Averageacre-ft

Little Sandy Creek

Drainage area above Little Sandy Diversion Dam192 sq mi
Annual discharge: 
Maximum acre-ft
Minimumacre-ft
Averageacre-ft

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Project Water Quality

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

 

   

Facilities in Operation
Facilities in Operation
Diversion Dams1
Canals21 mi
Laterals94 mi
Drains53 mi

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Storage Facilities

Big Sandy Dam and Dike

Eden Dam

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Regulatory Facilities

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Diversion Facilities
Little Sandy Diversion Dam
TypeEarthfill
LocationLittle Sandy Creek, Wyoming
Year Completed1959
Dimensions 
Structural Height10 ft
Crest Length600 ft
Crest Elevation6,745.0 ft
Diversion WorksOne 12 ft by 7 ft radial gate, bottom elevation 6,733.7 ft.
Diversion capacity150 cfs

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Carriage Facilities
Eden Canal
TypeEarth-lined, trapezoidal canal
LocationFrom Eden Reservoir generally south
Construction Period10.8 miles of Eden Canal below junction with Means Canal enlarged and relocated in 1952-1955
Length10.8 mi
Diversion capacity475 cfs
Crest Length600 ft
Crest Elevation6,745.0 ft
Diversion WorksOne 12 ft by 7 ft radial gate, bottom elevation 6,733.7 ft.
Diversion capacity 
Typical section in earth: 
Bottom width18 ft
Side slopes2:1
Water depth5.2 ft
Typical section, earth lined: 
Bottom width18 ft
Side slopes2:1
Water depth5.2 ft
Lining thickness: 
Side slopes8 ft
Bottom2 ft

 

Means Canal
TypeEarth-lined, trapezoidal canal
LocationFrom Big Sandy Dam generally south to Eden Canal
Construction Period1952
Length6 mi
Diversion capacity635 cfs
Typical section in earth: 
Bottom width22 ft
Side slopes2:1
Water depth5.85 ft
Typical section, earth lined: 
Bottom width28 ft
Side slopes1.5:1
Water depth6.9 ft
Lining thickness: 
Side slopes8 ft
Bottom2 ft

 

Little Sandy Canal
TypeEarth-lined, trapezoidal canal
LocationFrom Little Sandy Diversion Dam generally west to Eden Canal below Eden Reservoir
Construction PeriodConsists of 2.2 miles of existing canal rehabilitated and 1.1 miles of new canal completed in 1957.
Length4 mi
Diversion capacity150 cfs

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Last updated: Apr 21, 2011