Bureau of Reclamation Banner
Great Plains Region
Billings, Mont.
Media Contact:
Buck Feist
(406) 247-7610

Released On: February 08, 2013

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

  • Buffalo Bill Reservoir – Shoshone River April through July inflow to Buffalo Bill Reservoir is forecast at 600,000 acre-feet (AF), which is 90 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 350,000 AF, which is 87 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 125,000 AF, which is 89 percent of the 30-year-average of 140,000 AF.


  • Boysen Reservoir – Wind River April through July inflow to Boysen Reservoir is forecast at 400,000 AF, which is 71 percent of the 30-year-average of 562,000 AF.


  • Bighorn Lake (Yellowtail Reservoir) – April through July inflow to Yellowtail Reservoir/Bighorn Lake is forecast at 788,000 AF, which is 67 percent of the historic average of 1,174,700 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 Jr., at 307-261-5671.

For additional information on Yellowtail Reservoir, contact Montana Area Manager Brent Esplin at 406-247-7298.

# # #
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.