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Great Plains Region
Billings, Mont.
Media Contact:
Tyler Johnson
(406) 247-7609

Released On: April 11, 2013

Reclamation Issues Snowmelt Runoff Forecast for Bighorn River Basin
BILLINGS, Mont. -- Reclamation's April forecast for the April through July runoff for the Bighorn Basin is as follows:
  • Buffalo Bill Reservoir - Shoshone River April through July inflow to Buffalo Bill Reservoir is forecast at 525,000 acre-feet (af), which is 79 percent of the 30 year average of 669,000 af.
  • Wind River - April through July snowmelt runoff into the Wind River above Bull Lake Creek is expected to be 300,000 af, which is 74 percent of the 30 year average of 404,000 af.
  • Bull Lake Reservoir - April through July snowmelt runoff into Bull Lake Reservoir from Bull Lake Creek is expected to be 110,000 af, which is 79 percent of the 30 year average of 140,000 af.
  • Boysen Reservoir - Wind River April through July inflow to Boysen Reservoir is forecast at 350,000 af, which is 62 percent of the 30 year average of 562,000 af.
  • Bighorn Lake - Bighorn River April through July inflow to Bighorn Lake is forecast at 661,000 af, which is 60 percent of the 30 year average of 1,098,000 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 Smith Jr., 307-261-5676.

For additional information on Yellowtail Reservoir, contact Montana Area Manager Brent Esplin, 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.