Gross Reservoir Expansion Project

It takes a long time to build a dam 471 feet high. 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

Community cookout this Saturday, Sept. 28

To celebrate another great summer of outreach and relationship building, the Gross Reservoir Expansion Project team is hosting a community cookout on Saturday, Sept. 28, from 10 a.m. to 3 p.m. located at the public information yurt, just up the fill from our...

Colorado’s tale of two seasons

TAP - September 19,2019 - "When the Gross Reservoir Expansion Project — which is in the final stages of approval after 15 years of permitting — is done, Denver Water will have more flexibility throughout its system to react to year-to-year changes in snowpack levels,...