Water Projects
The Colorado-Big Thompson Project supplies water to more than 640,000 acres of irrigated farm and ranch land and 860,000 people in Northeastern Colorado. Northern Water’s boundaries include portions of eight counties and encompass approximately 1.6 million acres. Besides collecting and delivering water, the C-BT Project provides clean hydroelectricity and numerous recreational opportunities.
The C-BT Project collects supplemental water on the West Slope and delivers it to East Slope water users via 12 reservoirs, 35 miles of tunnels and 95 miles of canals.
Learn more»
Windy Gap Project
The Windy Gap Project consists of a diversion dam and pump plant on the Colorado River and a 6-mile pipeline to Lake Granby. From there, C-BT facilities transport water to the East Slope.
Learn more»
The proposed Northern Integrated Supply Project and the Windy Gap Firming Project would provide additional water for population growth while lessening the impacts of growth on agricultural water supplies.
Learn more»
Pipelines & Outlets
The Pleasant Valley Pipeline carries water from the Poudre River and Horsetooth Reservoir to three treatment plants. The Southern Water Supply Pipeline and the Carter Lake Outlet deliver water year-round to municipal, domestic and industrial water users.
Learn more»
C-BT Project power plants generate an average of 760 million kilowatt hours of clean hydropower each year, and Northern Water is helping restore endangered species habitat in the Platte River and Upper Colorado River basins.
Learn more»
Water Data
View and download real-time streamflow and reservoir level information for the C-BT and Windy Gap projects on both sides of the Continental Divide.
Learn more»
View and print maps, including the C-BT and Windy Gap projects, pipeline routes, weather and water data sites, and Northern Water and Municipal Subdistrict boundaries.
Learn more»