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.
The Chimney Hollow Reservoir Project:
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
Colorado River Connectivity Channel Celebrated at Project Dedication
Federal, state and local officials joined leaders of the Northern Water and the Municipal Subdistrict on Oct. 15, 2024, to dedicate the Colorado River Connectivity Channel at Windy Gap Reservoir.
Grouting Program Complete on Both Dams
Together, more than 33 miles of grout holes were drilled at the rate of about one mile per month since the start of the grouting program in January 2021.
See Northern Water’s Newest Reservoir: The Model Chimney Hollow
Chimney Hollow Reservoir, or at least a model of it, has been added to the Northern Water Interpretive Area just west of the headquarters building in Berthoud.