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

 

  

Project # 145

 

Land Areas (1992)
Irrigable area:
Full Irrigation Service0 acres
Supplemental Service41,196 acres
Temporary Irrigation Service0 acres
Number of Irrigated Farms207
Residential, Commercial, Industrial Lands0 acres
Total Irrigable Lands41,196 acres

 

Population Served
Farm Population Served724
Non-Farm Population Served5,000
Total Population Served5,724

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Area Irrigated and Crop Value
YearActual Area Irrigated (Acres)Crop Value (Dollars)
198637,1932,435,594
198737,0642,373,627
198837,0642,373,627
198937,1901,673,859
199037,1901,673,859
199137,1902,091,773
199237,2402,271,088
199337,1392,456,110
199437,1542,023,344
199537,1363,197,980

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Project Water Supply

Current Conditions


Streamflow

Blacks Fork near Robertson, Wyoming (USGS)
Streamflow Forecast Map

Spring and Summer
Snowpack Information

Mountain Snowpack Maps for Colorado River Basin
Drought Index

Palmer Drought Index Map

Annual Precipitation
Normal11.25 in
Maximum - 198322.40 in
Minimum - 19884.26 in
Evanston, Wyoming 1961-1990 

 

Temperature
Mean Annual40 ?F
Daily Maximum - 07/07/198599 ?F
Daily Minimum - 02/12/1905-38 ?F
Evanston, Wyoming 1890-1996 
Growing Season92 days
Elevation of irrigable area6,500-8,000 ft

 

Blacks Fork of Smith Fork
Drainage area at Meeks Cabin Dam156 sq mi
Annual discharge: 
Maximum - 1983203,600 acre-ft
Minimum - 197759,900 acre-ft
Average - 1950-1997119,100 acre-ft


East Fork of Smith Fork
Drainage area at Stateline Dam52 sq mi
Annual discharge: 
Maximum - 196564,380 acre-ft
Minimum - 195418,350 acre-ft
Average - 1940-197134,150 acre-ft

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Project Water Quality

Black`s Fork

Storage Facilities

Meeks Cabin Dam

Stateline Dam

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Last updated: May 11, 2011