Gross Reservoir Expansion Project

News and Updates

Gross Reservoir recreation opening Saturday, July 2

Boulder, Colo. — July 1, 2022 — Recreation at Gross Reservoir will reopen Saturday, July 2, after a two-week closure to recover a vehicle from the reservoir following a fatal accident at the construction site for the dam expansion project on June 18. Operations for...

Long-term recreation closure at Gross Reservoir

Boulder, Colo. — June 22, 2022 — Recreation at Gross Reservoir will remain closed for multiple weeks following the June 18 fatal accident at the Gross Reservoir Expansion Project where an engineer with six years of experience lost his life. This is essential as crews...

Gross Reservoir recreation closed until further notice

Boulder, Colo. — June 18, 2022— Emergency responders are working on an accident that took place overnight at the Gross Reservoir Expansion Project site, in which a construction haul vehicle veered off the road into the reservoir. First responders and other agencies...

May 2022 Recreation Update

May 26, 2022 - As a reminder, some recreation areas have closed or been relocated to ensure safety during the Gross Reservoir Expansion Project. The overall recreation experience will also be different throughout the project. Below are some of the changes and things...

Gross Reservoir community information sessions

Denver Water invites Gross Reservoir neighbors to join us for information sessions on May 21, between 10 a.m. and 5 p.m., at the Coal Creek Canyon Improvement Association Hall. Gross Reservoir Expansion Project representatives will provide an update on project...

Survey activity on Gross Dam Road

Over the next two weeks, Denver Water’s contractors, Metcalf Archeological Consultants, will be conducting cultural resource surveys along Gross Dam Road. Surveys are scheduled to start the week of April 25.   Residents can expect to see crews walking along the...

Heavy equipment to travel to Gross Reservoir Expansion Project site

March 28, 2022 - Between March 28 and April 2, weather permitting, Kiewit Barnard Joint Venture will mobilize large equipment to the Gross Reservoir Expansion Project site. This activity will consist of a maximum of four caravans over the course of two nights. Each...

First steps on Gross Reservoir expansion

Feb. 27, 2022 - TAP - After 20 years of preparation, first signs of construction work emerging in vicinity of dam. After nearly two decades of planning and permitting, Denver Water’s work to expand Gross Reservoir northwest of Denver is set to kick off. Over the...

Learning By Doing 2022 Annual Report

Grand County Learning By Doing Cooperative Effort (LBD) has a goal to maintain, and where reasonably possible, restore or enhance the aquatic environment in the Fraser, Williams Fork, and Colorado River basins and their tributaries in Grand County, Colorado. See a...

Breathtaking work nearly 300 feet underwater

August 23, 2021 - TAP - Major project replacing large debris grate at Gross Dam requires experts in the harrowing field of saturation diving. Raitt stresses the project is wholly unrelated to the planned expansion of Gross Reservoir. It would be happening regardless...

All the ways we save (It’s not just shorter showers!)

August 6, 2021 - TAP There are a few things many customers might know about Denver Water’s efforts to use water efficiently. There was that fun and flashy and very effective 10-year “Use Only What You Need” campaign that cut per person water use by 22%. Denver Water...

Could Colorado cities save enough water to stop building dams?

Aug. 6, 2021 - Colorado Sun - Conservation groups want more “cash for grass” and other plans to acquire new water by saving it. But Denver and Aurora, among others, say there’s only so much to cut before a new dam is needed. Denver Water, serving 1.5 million customers...

A gleaming gift to the great outdoors

July 29,2021 - TAP - Denver Water conveying stunningly scenic parcels to Forest Service as part of Gross Reservoir Expansion Project. Denver Water is in the process of conveying 539 acres of wetlands, meadows and forests in Gilpin County to the Forest Service to be...

Former Gov. Endorses Gross Reservoir Expansion Project

Virtual Flyover

Sign up for Email Updates