The Northern Colorado Water Conservancy District and its Municipal Subdistrict provide water to Northeastern Colorado from the Colorado-Big Thompson and Windy Gap projects. Learn more about Northern Water and the Municipal Subdistrict.
  Grand lake Shadow Mountain Reservoir Horsetooth Reservoir Mary's Lake Pinewood Reservoir Lake Granby Windy Gap Reservoir Willow Creek Reservoir Green Mountain Reservoir Lake Estes Flatiron Reservoir Boulder Reservoir Carter Lake Northern Water Headquarters Southern Water Supply Pipeline Pleasant Valley Pipeline West Slope Collection System East Slope Distribution System Boulder Reservoir Mary's Reservoir Lake Estes Pinewood Reservoir Horsetooth Reservoir Flatiron Reservoir Carter Lake Pleasant Valley Pipeline Southern Water Supply Pipeline Northern Water Headquarters Green Mountain Reservoir Windy Gap Reservoir Willow Creek Reservoir Shadow Mountain Reservoir Adams Tunnel Grand Lake Lake Granby
West Slope Water Collection
Grand Lake, Lake Granby, Shadow Mountain Reservoir & more»
 
Colorado-Big Thompson Project
12 reservoirs, six hydroelectric plants, 95 miles of canals & more»

Power Generation
Estes Power Plant, Flatiron Power Plant & more» 

Recreation
C-BT boating, fishing, hiking & more»


East Slope Water Distribution
Boulder Reservoir, Carter Lake, Horsetooth Reservoir & more»

Windy Gap Project
Reservoir, pumping plant, 6-mile pipeline to Lake Granby & more»

Pipelines & Outlets
Carter Lake Outlet, Pleasant Valley Pipeline & more»
Future Water Supplies
Future water supplies

Summer Tours of the C-BT and Windy Gap Projects
Northern Water will conduct full-day tours of the Colorado-Big Thompson and Windy Gap projects again this summer. See the tours brochure for tour dates and information.

New Conservation Gardens Plants & Photos Section
Get water-saving ideas from dozens of plant photos and descriptions at the new Conservation Gardens Plants & Photos section.