Gross Reservoir Expansion Project

There are many steps to building a dam 471 feet high. Final dam design will continue into 2020 to meet our current completion date of 2025. 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

A new chapter in an epic ‘Fish story’

February 14, 2020 - TAP - ""We did what we said we were going to do 20 years ago, when this program began, and it worked,” said Travis Bray, an environmental scientist at Denver Water who praises the sweeping collaboration among dozens of organizations that have...

As forests burn around the world, drinking water is at risk

AP - January 30, 2020 - "Canberra’s water utility has built in redundancies in case of fire, such as collecting water from three watersheds instead of two, and it can switch among sources if necessary, said Kristy Wilson." "Denver Water, which serves 1.4 million...

Habitat resurrection means aquatic love connection

TAP - Jan 22, 2020 - "The work wrapped up in October and the results are exciting — both for the fish and for the biologists who track them. “The level of spawning that we observed almost immediately after completion of the reclamation work was extraordinary,” said...