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

Released On: April 09, 2012

Reclamation Issues Snowmelt Runoff Forecast for Bighorn River Basin
BILLINGS, Mont. -- As of April 1, Reclamation's April through July runoff forecast for the Bighorn Basin is as follows:

  • Buffalo Bill Reservoir - Shoshone River inflow to Buffalo Bill Reservoir is forecast at 700,000 acre-feet, which is 103 percent of the 30-year average of 679,000 acre-feet.
  • Wind River - snowmelt runoff into the Wind River above Bull Lake Creek is expected to be 380,000 acre-feet, which is 92 percent of the 30-year average of 412,000 acre-feet.
  • Bull Lake Reservoir - snowmelt runoff into Bull Lake Reservoir from Bull Lake Creek is expected to be 135,000 acre-feet, which is 96 percent of the 30-year average of 141,000 acre-feet.
  • Boysen Reservoir - Wind River inflow to Boysen Reservoir is forecast at 550,000 acre-feet, which is 96 percent of the 30-year average of 574,000 acre-feet.
  • Bighorn Lake (Yellowtail Reservoir) - Inflow to Yellowtail is forecast at 1,064,000 acre-feet, which is 93 percent of the 30-year average of 1,138,500 acre-feet.

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 Acting Wyoming Area Manager, Lyle D. Myler, at 307-261-5676.

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

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