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

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...