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.
Provide $2 million towards aquatic habitat improvements on the Upper Colorado River.
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.
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.
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.”
Monitor stream temperatures and water quality in Gross Reservoir, South Boulder Creek and the Fraser River Basin.
Provide funding towards Colorado Parks and Wildlife’s cutthroat trout habitat projects to protect and restore native trout populations.
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.
Provide flushing flows in the Williams Fork and Fraser River basins.
Provide more than 1,000 acre-feet of water in Grand County for environmental purposes.
Complete a stream restoration project on South Boulder Creek in partnership with the City of Boulder.
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.
Allow Grand County to store up to 2,500 AF of water in Williams Fork Reservoir for environmental purposes.
Complete a stream restoration project on the Williams Fork River.
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.
Construct a fish ladder on Cabin Creek in Grand County.
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.
Protect raptor species, fight invasive species, relocate rare plant species and responsibly remove trees and brush in the reservoir’s expanded footprint.
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
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
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...
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...
Sky-Hi News - July 31 - "Once Denver Water completes the Gross Reservoir expansion project, according to Bennett, 1,000 acre feet of water will become available for the process in the future." Read the full story...