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Great Plains Region
Billings, Mont.
Media Contact:
Buck Feist
(406) 247-7607

Released On: April 14, 2014

Reclamation Issues Snowmelt Runoff Forecast for Bighorn River Basin
BILLINGS, Mont. -- Reclamation's April forecast of the April through July runoff predicted for the Bighorn Basin is as follows:

  • Buffalo Bill Reservoir - Shoshone River April through July inflow to Buffalo Bill Reservoir is forecast at 1,000,000 acre-feet (af), which is 150 percent of the 30 year average of 665,000 af.
  • Wind River - April through July snowmelt runoff into the Wind River above Bull Lake Creek is expected to be 650,000 af, which is 164 percent of the 30 year average of 397,000 af.
  • Bull Lake Reservoir - April through July snowmelt runoff into Bull Lake Reservoir from Bull Lake Creek is expected to be 175,000 af, which is 128 percent of the 30 year average of 137,000 af.
  • Boysen Reservoir - Wind River April through July inflow to Boysen Reservoir is forecast at 850,000 af, which is 159 percent of the 30 year average of 534,000 af.
  • Bighorn Lake - Bighorn River April through July inflow to Bighorn Lake is forecast at 1,960,800 af, which is 194 percent of the 30 year average of 1,069,300 af.

An acre-foot is the amount of water needed to cover 1 acre (43,560 square feet) 1 foot deep (325,851 gallons or 1,233.5 cubic meters).

For additional information on Buffalo Bill, Boysen and Bull Lake reservoirs, contact Wyoming Area Manager Coleman W. Smith at 307-261-5671. For additional information on Yellowtail Reservoir, contact Montana Area Manager Brent Esplin at 406-247-7298.

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Reclamation is the largest wholesale water supplier and the second largest producer of hydroelectric power in the United States, with operations and facilities in the 17 Western States. Its facilities also provide substantial flood control, recreation, and fish and wildlife benefits. Visit our website at www.usbr.gov.