Annual Drawdown of Alcova Reservoir

Media Contact: Mahonri Williams, (307) 261-5624,

For Release: September 15, 2017

MILLS, Wyo. -- The Bureau of Reclamation will be lowering the water level in Alcova Reservoir as the 2017 irrigation season draws to a close. The annual drawdown of the reservoir will begin on Sunday, Oct. 1.

During October, the reservoir water surface elevation will be lowered about 10 feet, at a rate of approximately four inches per day. The reservoir's normal winter operating range is between 5,487 and 5,489 feet. Water released in the drawdown of Alcova Reservoir will be restored downstream in Glendo Reservoir.

Boat owners and recreationists should be aware of the declining level of Alcova Reservoir and take proper precautions.

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Reclamation is the largest wholesale water supplier in the United States, and the nation's second largest producer of hydroelectric power. Its facilities also provide substantial flood control, recreation, and fish and wildlife benefits. Visit our website at and follow us on Twitter @USBR.

Relevant Link:

Wyoming Area Office Home Page