Gross Reservoir
Expansion Project
Gross Reservoir
Expansion Project
For information on blasting schedules, public access and roadwork activities, click the My Map image below.
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Environmental Commitments

Online Office Hours
Now that construction has begun, we will continue to offer online one-on-one appointments with our project representatives who can answer your questions about the Gross Reservoir Expansion Project. We invite you to search for an available time and book an online meeting here.
We look forward to speaking with you!
News
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...
Dam foundation preparation, quarrying and site preparation activities at Gross Reservoir
Dam foundation preparation, quarrying and site preparation activities involving drilling and blasting are scheduled to begin at Gross Reservoir today, April 12. Please note: Blasting will only take place during daylight hours. Drilling and blasting activities are...
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...
News
Dam foundation preparation, quarrying and site preparation activities at Gross Reservoir
Dam foundation preparation, quarrying and site preparation activities involving drilling and blasting are scheduled to begin at Gross Reservoir today, April 12. Please note: Blasting will only take place during daylight hours. Drilling and blasting activities are...
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...