News

Earlier this month during Northern Water’s Spring Water Symposium, Northeastern Colorado water users viewed this video update.

Another huge milestone was met on site this week when the main dam hit elevation 5699.5 feet , which is the halfway mark to the eventual 350-foot-tall main dam. The

On March 15, crews holed through to connect the downstream and upstream portions of the inlet/outlet tunnel.

Site experts give us an inside look at key components of project construction, including the valve house, tunnel, main dam and aggregate processing.

Stantec Principal Engineering Geologist Don Riley serves as the foundation grouting lead for the Chimney Hollow Reservoir Project.

The mystery staircase is a staff gauge. When the reservoir is complete, it will be used to provide a quick visual reference of the water surface elevation.

The Chimney Hollow valve house at the downstream toe of the main dam is well underway.

At Chimney Hollow, the success of the project relies heavily on a variety of jobs held by women, including engineers, foremen, haul truck drivers, inspectors and administrative staff.

Twenty-five years ago, readers of the print version of Waternews saw a new idea appear in its pages: The proposal for a new channel to divert water around Windy Gap Reservoir.