Gross Reservoir Expansion Project

There are many steps to building a dam 471 feet high. Final dam design will continue into 2021 to meet our current completion date of 2027. A lot of other preparatory work is required such as quarrying and preparing the existing dam and foundation for the new dam.

Denver Water is committed to working closely with residents to ensure safety and open communication throughout construction.

Latest News / Blog

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...