News

View of the CH main dam looking east taken on 9.5.2024

Chimney Hollow Main Dam Surpasses Height of Horsetooth Reservoir and Carter Lake Dams

In mid-August, the height of the main dam hit 241 feet, which means it is now taller than any dam at Carter Lake or Horsetooth Reservoir.

Crews work inside of the Windy Gap Pipeline

Windy Gap Pipeline Inspection Complete

Northern Water recently completed an inspection of the Windy Gap pipeline to ensure the water making its way to Chimney Hollow Reservoir beginning next year will be done efficiently.

Final CRCC Construction Season Gets Underway

The finishing touches are just around the corner for the historic and broadly supported Colorado River Connectivity Channel (CRCC).

exterior of the Platte River Power Authority headquarters

Participant Spotlight: Platte River Power Authority

Platte River Power Authority is a unique participant in the Chimney Hollow Reservoir Project as it is not a water provider, but a power provider.

Conveyors and equipment seen inside the Chimney Hollow tunnel

Tunnel Being Lined and Backfilled with Concrete

The 2,000-foot tunnel is a key feature of the Chimney Hollow Reservoir Project.

Quarry at Chimney Hollow Reservoir looking west with visible layers of rock

Quarry Production Nearly 80 Percent Complete

Chimney Hollow’s onsite quarry is on track to wrap up production in early 2025.

Equipment compacting layers of clay on the Chimney Hollow saddle dam

Saddle Dam Construction Makes Quick Progress, Grows Nine Inches per Day

Last month, construction began on the saddle dam, a 40-foot-tall clay core dam that sits at the south end of Chimney Hollow Reservoir.

smoke from the Alexander Mtn fire seen from the Chimney Hollow Reservoir site

Front Range Fires Generate Regional Response

A fire burning west of Loveland and one burning south of Carter Lake have prompted a regional response from federal, state and local agencies, including Northern Water.

Chimney Hollow Reservoir Project Celebrates Three Years of Construction

Three years ago, construction kicked off at the Chimney Hollow Reservoir Project, and today, the project is about six weeks ahead of its original targeted completion date.