Gross Reservoir Expansion Project

Gross Reservoir
Expansion Project

Experts discuss how the Gross Reservoir Expansion Project will have a net environmental benefit on water quality in Colorado.

Jeff Martin, Denver Water’s program manager on the Gross Reservoir Expansion Project sits for an interview about the project.

Environmental Commitments

Provide $2 million towards aquatic habitat improvements on the Upper Colorado River.

Environmental Commitments

Provide $1 million to the Upper Colorado River Wild and Scenic Management group to fund flow-related projects to protect the outstanding and remarkable values within segments of the Upper Colorado River.

Environmental Commitments

Provide $6 million to Grand County to use towards environmental projects, and continue to participate in the “Learning By Doing” collaborative effort, which has already resulted in tangible positive environmental impacts on the West Slope.

Environmental Commitments

Construct and maintain sediment pond on Berthoud Pass to keep the Fraser River bottom clean. Check out, “Good for drivers, bad for the Fraser River.”

Environmental Commitments

Restore a portion of Fraser Flats in Grand County. Check out, “Keep it cool: Good for the Fraser River and its trout.”

Environmental Commitments

Release water into Ranch Creek in response to high temperatures found through water temperature monitoring. Check out, “Searching for solutions to help trout keep their cool.”

Environmental Commitments

Monitor stream temperatures and water quality in Gross Reservoir, South Boulder Creek and the Fraser River Basin.

Environmental Commitments

Provide funding towards Colorado Parks and Wildlife’s cutthroat trout habitat projects to protect and restore native trout populations.

Environmental Commitments

Through a cooperative process, replace culverts on Fraser River, Cabin Creek and St. Louis Creek with Aquatic Organism Passage culverts that will enable free passage of fish and other aquatic organisms.

Environmental Commitments

Provide flushing flows in the Williams Fork and Fraser River basins.

Environmental Commitments

Provide more than 1,000 acre-feet of water in Grand County for environmental purposes.

Environmental Commitments

Complete a stream restoration project on South Boulder Creek in partnership with the City of Boulder.

Environmental Commitments

Create an environmental pool in Gross Reservoir that will be managed by the cities of Boulder and Lafayette to provide flows into South Boulder Creek during periods of low or no flows.

Environmental Commitments

Allow Grand County to store up to 2,500 AF of water in Williams Fork Reservoir for environmental purposes.

Environmental Commitments

Complete a stream restoration project on the Williams Fork River.

Environmental Commitments

Begin stream bank monitoring on the North Fork of the South Platte River and South Boulder Creek to identify erosion and/or unstable banks, and make repairs, as needed.

Environmental Commitments

Construct a fish ladder on Cabin Creek in Grand County.

Environmental Commitments

Convey approximately 540 acres of land near the Moffat Tunnel to the U.S. Forest Service for permanent protection and management as part of the National Forest System.

Environmental Commitments

Protect raptor species, fight invasive species, relocate rare plant species and responsibly remove trees and brush in the reservoir’s expanded footprint.

Environmental Commitments

Continue to participate in the U.S. Fish and Wildlife Service’s Upper Colorado River Recovery Program and the Platte River Recovery Implementation Program, both designed to protect endangered species.

Public Information Yurt

NOW OPEN

The Public Information Yurt is located just up the hill from our caretaker’s facilities at 3817 Gross Dam Road.

Our schedule for the week of September 16 is below.

Sunday, September 16: Closed

Monday, September 17: 10 a.m. to 2 p.m.

Tuesday, September 18: 12 p.m. to 3:30 p.m.

Wednesday, September 19: Visit us at Coal Creek Coffee from 9  a.m. to 2 p.m.

Thursday, September 20: 9 a.m. to 2 p.m.

Friday, September 21: 11 a.m. to 3 p.m.

Saturday, September 22: 9 a.m. to 1 p.m.

Please stop by to learn more about the Gross Reservoir Expansion Project. For local community members that are not able to visit during these times, please reach out to us to schedule an appointment outside of our office hours posted above.

Thank You Supporters

News

Thank you contractors!

Thanks to all the individuals and organizations who joined us for our Design Assist Contractor information meeting on Aug 9! The DAC role will work as an integrated component of the team, along with the owner's representative and design engineer. They will...

Thank you Mountain Fest organizers and attendees!

August 4, 2018 - On Saturday, August 4 Denver Water's Gross Reservoir Expansion Project team participated in Coal Creek Canyon Parks and Recreations' Annual Mountain Fest at the Coal Creek Canyon Improvement Association. We were able to meet and talk with more than 50...

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