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
Chimney Hollow Reservoir Project Wins West Regional Dam Safety Award
The award recognizes projects that make exemplary contributions to the improvement of dam safety in the United States.
Downstream Tunnel Portal Gets Finishing Touches
The final touches on the downstream portal were added at the end of September and include the words “Chimney Hollow 2025” over the entrance.
Uranium Monitoring, Testing and Modeling Continue
We are following a rigorous process, starting with geochemical characterization and scoping studies, to inform mitigation alternatives analysis and ultimately select a final approach.