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Fort Sumner Project
Fort Sumner Project | Project History | Project Data | Contact Information

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

 

  

Project # 430

 

Land Areas (1992)
Irrigable area:
Full Irrigation Service6,500 acres
Supplemental Service0 acres
Temporary Irrigation Service0 acres
Number of Irrigated Farms287
Residential, Commercial, Industrial Lands0 acres
Total Irrigable Lands6,500 acres

 

Population Served:
Farm Population Served581
Non-Farm Population Served0
Total Population Served581

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Area Irrigated and Crop Value
YearActual Area Irrigated (Acres)Crop Value (Dollars)
19836,265895,784
19846,265960,610
19856,194887,248
19866,2351,019,016
19875,835842,433
19885,9301,100,027
19895,6541,033,749
19905,694993,757
19915,689890,300
19925,822978,715

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Project Water Supply
Project Water Quality

 

   

Project Water Supply

Current Conditions

Reservoir Storage

Sumner Lake - Army Corps of Engineers Graph

Streamflow

Pecos River below Sumner Dam, New Mexico (USGS)
Streamflow Forecast Map

Spring and Summer (NRCS)
Snowpack Information

Mountain Snowpack Maps for Colorado, Rio Grande, and Arkansas Rivers
Drought Index

Palmer Drought Index Map

Annual Precipitation

Normal14.41 in
Maximum - 198623.08 in
Minimum - 19648.45 in
Fort Sumner, New Mexico 1960-1996 

 

Temperature
Mean Annual58.0 ?F
Daily Maximum - 06/29/1918109 ?F
Daily Minimum - 01/13/1963-27 ?F
Fort Sumner, New Mexico 1914-1996 
Growing Season253 days
Elevation of irrigable area4,000 ft

 

Pecos River
Drainage area above Fort Sumner Diversion Dam5,340 sq mi
Annual discharge below Sumner Dam 
Maximum acre-ft
Minimumacre-ft
Averageacre-ft

Footnote to Pecos River drainage above Fort Sumner Diversion Dam: Approximately 4,930 sq mi is controlled by Sumner Dam and Lake Sumner. Drainage area between Sumner Dam and Fort Sumner Diversion Dam is 950 sq mi.

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Project Water Quality

Upper Pecos

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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
Canals24.8 mi
Laterals25 mi
Pumping Plants2
Drains13.7 mi

Footnote to Facilities in Operation: Facilities constructed by Bureau of Reclamation and by the Fort Sumner Irrigation District.

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Diversion Facilities
Fort Sumner Diversion Dam
TypeConcrete gravity weir, overflow
LocationOn the Pecos River, about 3 miles northwest of Fort Sumner, New Mexico.
Year Completed1951
Dimensions: 
Structural height50 ft
Hydraulic height11 ft
Weir crest length650 ft
Crest elevation4,040 ft
Volume27,258 cu yd
Diversion capacity100 cfs
Spillway capacity82,200 cfs
  

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Carriage Facilities
Main Canal
LocationFrom Fort Sumner Diversion Dam about 3 miles northwest of Fort Sumner, New Mexico, generally southeast along the Pecos River.
Construction period1950-1951
Length16.3 mi
Diversion capacity100 cfs
Typical section, concrete lined: 
Bottom width6 ft
Side slopes1.25:1
Water depth4.42 ft
Lining thickness3 in
Length2.6 mi
Typical section, pneumatically lined: 
Bottom width12 ft
Side slopes1.5:1
Water depth2.94 ft
Lining thickness2 in
Length3.5 mi
Typical section in earth: 
Bottom width12 ft
Side slopes1.5:1
Water depth3.08 ft
Length10.2 mi

Main Canal

LocationFrom Fort Sumner Pumping Plant on Main Canal near Fort Sumner, New Mexico.
Construction period1950-1951
Length8.5 mi
Diversion capacity20 cfs
Typical section, pneumatically lined 
Bottom width4 ft
Side slopes1.5:1
Water depth1.94 ft
Lining thickness1.5 in
Length8 mi
Typical section in earth: 
Bottom width4 ft
Side slopes1.5:1
Water depth1.4 ft
Length0.5 mi

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Pumping Plants
DesignationNumber of units
Total capacity, cfsTotal dynamic head, ft
Total horsepowerFort Sumner
120
21.3
70

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Last updated: Apr 21, 2011