Chimney Hollow Reservoir Project
The Chimney Hollow Reservoir Project is a collaboration between 12 Northeastern Colorado water providers to improve the reliability of, or make firm, water supplies from the Windy Gap Project. Chimney Hollow Reservoir will be located just west of Carter Lake in Larimer County to provide dedicated storage to supply a reliable 30,000 acre-feet of water each year for future generations.
Provides storage for 30,000 acre-feet of existing water rights associated with the Windy Gap Project
Provides environmental benefits to Colorado's rivers and streams through various commitments
Enhances recreation opportunities to encourage healthy, outdoor lifestyles for residents
Helps meet an increased demand for water in Northern Colorado communities
News
System to get Water in and Out of Chimney Hollow Nearly Complete
The water conveyance system used for delivering water in and out of Chimney Hollow Reservoir is constructed and nearly complete.
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More Than 35,000 Cubic Yards of Concrete Placed at Chimney Hollow Core
Concrete was used in almost every area of the project, including the plinth, spillway, thrust blocks, valve house, tunnel lining, inlet/outlet, tower, staff gauge and more.
Chimney Hollow Main Dam Complete
The tallest new dam built in the United States in the last 25 years is now complete. Crews celebrated the huge milestone during an all-site safety meeting on Aug. 7.