Reclamation issues snowmelt forecast for Big Horn River Basin

 MILLS, Wyo. – The Bureau of Reclamation’s March forecast of the April through July water runoff predicted for the Big Horn River Basin is as follows:

Big Horn Lake – Big Horn River April through July inflow to Big Horn Lake is forecast to be approximately 689,000 acre-feet (af), which is 54% of the 30-year average of 1,282,100 af.  As of March 1, Big Horn Lake is 80% full.

Buffalo Bill Reservoir -- Shoshone River April through July inflow to Buffalo Bill Reservoir is forecast at 650,000 af, which is 85% of the 30-year average of 761,000 af. As of March 1, Buffalo Bill is 58% full.

Boysen Reservoir -- Wind River April through July inflow to Boysen Reservoir is forecast at 450,000 af, which is 71% of the 30-year average of 633,000 af. As of March 1, Boysen Reservoir is 69% full.

Bull Lake Reservoir - April through July snowmelt runoff into Bull Lake Reservoir from Bull Lake Creek is expected to be 130,000 af, which is 88% of the 30-year average of 147,000 af. As of March 1, Bull Lake Reservoir is 23% full.

 A reservoir is considered “full” when the pool elevation is at the top of active conservation or joint-use pool. The percentage is based on total reservoir volume below that level.