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
Uranium Monitoring, Testing and Modeling Ongoing
Northern Water is committed to keeping the public informed as we gather additional information on the discovery of uranium at the Chimney Hollow Reservoir construction site.
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
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.