Reclamation issues January 2022 snowmelt forecast for Boysen, Bull Lake Reservoirs

(Fremont County, WY) – Bureau of Reclamation has issued their January forecast of the April through July runoff predicted for the Bighorn River Basin.

Below is their prediction for Reservoirs in Fremont County.

• Boysen Reservoir – Wind River April through July inflow to Boysen Reservoir is forecast at 550,000 af, which is 91% of the 30-year average of 604,000 af. As of January 1, Boysen Reservoir is 85% 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 92% of the 30-year average of 142,000 af. As of January 1, Bull Lake Reservoir is 58% full. *

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

The Bighorn Basin is a plateau region and intermontane basin, approximately 100 miles (160 km) wide, in north-central Wyoming in the United States.

It is bounded by the Absaroka Range on the west, the Pryor Mountains on the north, the Bighorn Mountains on the east, and the Owl Creek Mountains and Bridger Mountains on the south. It is drained to the north by tributaries of the Bighorn River, which enters the basin from the south, through a gap between the Owl Creek and Bridger Mountains, as the Wind River, and becomes the Bighorn as it enters the basin.


For additional information contact Wyoming Area Manager Carlie Ronca at 307-261-5671.


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