Hiking and fishing access remains open, please ensure you are following local COVID-19 guidelines. The FERC regulates the production of hydropower in the United States, and expanding Gross Reservoir required FERC’s approval of Denver Water’s application to amend its… 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. Also, read more on our Community Responsiveness page and on DenverWaterTAP.org ! Posted on September 15, 2020. Out of concern for the safety of our employees and community, Denver Water has suspended in-person office hours and events indefinitely. In addition to the environmental commitments we’ve made to communities surrounding the project, agreements are in place that tie this project directly to protecting South Boulder Creek and the Fraser, Williams Fork, Blue and Colorado rivers. Once permits are secured, we expect the construction to take place in three phases over a total of four to five years: First we will mobilize equipment and develop aggregate materials (sand and gravel) at an on-site quarry. Gross Dam was originally designed as a phased project; the first phase was completed in the 1950s and is the dam we currently use to supply water to the North end of the system. “The project will only take... Nov. 30, 2020 - Beginning the week of Nov. 30, Denver Water will be performing a safety project at the Osprey Point boat ramp at Gross Reservoir. 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. Check out, “Searching for solutions to help trout keep their cool.”. The $464 million (in 2025 dollars) expansion involves raising Gross Dam by 131 feet to nearly triple the size of the reservoir behind it. Provide more than 1,000 acre-feet of water in Grand County for environmental purposes. Information on the proposed project (also known as the “Moffat Collection System Project”) can be found on Denver Water’s website at www.GrossReservoir.org. Good for drivers, bad for the Fraser River, Keep it cool: Good for the Fraser River and its trout, Searching for solutions to help trout keep their cool, Gross Reservoir Expansion Proposal Presents Water Demand, Environmental Concerns. “Expanding Gross Reservoir is a critical project to ensure a secure water supply for nearly a quarter of the state’s population. Fish and Wildlife Service’s Upper Colorado River Recovery Program and the Platte River Recovery Implementation Program, both designed to protect endangered species. On July 17, 2020, the Federal Energy Regulatory Commission (FERC) approved Denver Water proceeding with the design and construction of expanding Gross Reservoir in Boulder County. Gross Reservoir Expansion Update. “The project itself was shaped and designed to avoid damaging or affecting flows in the driest of years,” he said. In short, because of this project, they are better protected now than they were yesterday. It will prevent future shortfalls during droughts and correct a serious imbalance in our North-South collection system. The Gross Reservoir Expansion Project is in the process of growing our contractor team. The project relies on the expansion of an existing footprint — without the placement of a new dam, reservoir or diversion structure; it also benefits from an original design that anticipated eventual expansion. The project improves water dependability for many along Colorado’s Front Range by protecting against potential natural and human-caused disasters. This raise will be constructed with a construction method known as a downstream buttress, which will use the existing dam as formwork. The Gross Reservoir Expansion Project is a major component of Denver Water’s long-term, multi-pronged approach (including promoting water efficiency, recycling water and responsibly sourcing new storage) to ensure we are able to deliver safe, reliable water to the more than 1.5 million residents in our service area today and to many of the projected 8.1 million who will call Colorado home by 2050. By Beverly Kurtz, Jennie Curtis, Tim Guenthner, Seth Cousin and Josh King. It does admit that the Gross Reservoir expansion project will inundate portions of Winiger Gulch Potential Conservation Area and more than 240 acres of Winiger Ridge Environmental Conservation Area, destroy 3.9 acres of plant communities considered to be of “local concern,” and cause a variety of short term air quality, water quality, and noise impacts and possible invasion of non-native aquatic species. We continue to listen to concerns and have made significant commitments to adjust our practices to minimize inconvenience to the local community. The project will raise the height of the existing dam by 131 feet, which will increase the capacity of the reservoir by 77,000 acre-feet. In 2017, after 14 years of environmental study and analysis, Denver Water received the 404 Permit and Record of Decision from the Corps. Denver Water is working with communities we are likely to impact during all phases of the project. Denver Water attained final federal approval for their Gross Reservoir Expansion Project in mid-July. Colorado History - Gross Reservoir - DJI Inspire 2 X5S - Duration: 4:07. The Gross Reservoir Expansion Project is one of the major elements of Denver Water’s long-term supply plan. Check out, “Keep it cool: Good for the Fraser River and its trout.”, Release water into Ranch Creek in response to high temperatures found through water temperature monitoring. Provide flushing flows in the Williams Fork and Fraser River basins. What is the Gross Reservoir Expansion Project? Aging outlet works at base of Denver Water dam call for major upgrade to valves, pipes. Gross Reservoir Dam outside Boulder, on Monday, July 1, 2019. Completed in 1954, the reservoir has a surface area of 440 acres, and the spillway sits at 7,225 feet elevation. “This project will increase Gross Reservoir’s capacity to 119,000 total acre feet by adding an additional 77,000 acre feet, and 72,000 acre feet will be for Denver Water use, while 5,000 acre feet will go to the environmental pool that provides additional water for South Boulder Creek during low flow periods and provides enhanced stream flow to a 17 mile stretch of South Boulder Creek located below the … Denver Water has proposed a planned expansion of the Gross Reservoir Dam (map locator) in southwest Boulder County. Provide $6 million to Grand County to use towards environmental projects, and continue to participate in the “. The Federal Energy Regulatory Commission ordered Denver Water to proceed with design and construction to expand Gross Reservoir in Boulder County, which involves raising the dam an additional 131 feet. Check out, “Good for drivers, bad for the Fraser River.”, Restore a portion of Fraser Flats in Grand County. 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. We invite you to search for an available time and book an online meeting here. Nov. 30, 2020 - Beginning the week of Nov. 30, Denver Water will be performing a safety project at the Osprey Point boat ramp at Gross Reservoir. Once the dam is complete, the final phase will begin, which involves removal of trees and brush from the new inundation footprint. That will be followed by dam construction, which we expect will take approximately three years, during which most of the work will occur during spring, summer and fall months. If your company is interested in joining the team, please complete the form below. The higher dam will expand the capacity of the reservoir in Boulder County by 77,000 acre-feet. The Gross Reservoir Expansion Project will raise the height of the existing dam, completed in 1954, by 131 feet, allowing the reservoir to nearly triple in size. We are sensitive to the concerns of stakeholders and are committed to being a good neighbor. This short video summarizes Denver Water’s community commitments based on years of study and robust outreach to Gross Reservoir neighbors. This project will remove unstable rock at the boat ramp to ensure a safe environment for the public and Denver Water... What is the Gross Reservoir Expansion Project? Jeff Martin, Denver Water’s program manager on the Gross Reservoir Expansion Project sits for an interview about the project goals, core values and minimizing inconvenience to our neighbors. Construct a fish ladder on Cabin Creek in Grand County. “The project itself was shaped and designed to avoid damaging or affecting flows in the driest of years,” he said. “The project will only take... Nov. 30, 2020 - Beginning the week of Nov. 30, Denver Water will be performing a safety project at the Osprey Point boat ramp at Gross Reservoir. John Scarffe, Boulder County. As our demand grew, Denver Water planned to raise the dam to provide water in a just in time approach. (Chris Schneider, Special to The Colorado Sun) Denver Water is proposing to expand Gross Reservoir in Boulder County by raising the height of the existing dam. 2:32. Construct and maintain sediment pond on Berthoud Pass to keep the Fraser River bottom clean. The Gross Reservoir Expansion Project is a major component of Denver Water’s long-term, multi-pronged approach to deliver safe, reliable water to the more than 1.5 million residents in our service area today and many of the projected millions who will call Colorado home in the decades to come. Provide funding towards Colorado Parks and Wildlife’s cutthroat trout habitat projects to protect and restore native trout populations. Starting in fall 2017, we opened a community welcome and information center at Gross Reservoir. providing environmental benefits to Colorado’s rivers and streams, adjust our practices to minimize inconvenience to the local community, Gross Reservoir Expansion Proposal Presents Water Demand, Environmental Concerns. LEARN MORE ABOUT TEG 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. The Gross Reservoir Expansion Project is a major component of Denver Water’s long-term, multi-pronged approach (including promoting water efficiency, recycling water and responsibly sourcing new storage) to ensure we are able to deliver safe, reliable water to the more than 1.5 million residents in our service area today and to many of the projected 8.1 million who will call Colorado home by 2050. We’re hopeful that this dedicated, more regular presence in the community will enable us to open lines of communication and increase understanding from all perspectives. Monitor stream temperatures and water quality in Gross Reservoir, South Boulder Creek and the Fraser River Basin. Law Week Colorado - Nov. 24, 2020 - "... the agreement obligates Denver Water to reduce diversions during drought years. Expanding Gross Reservoir will help protect Denver Water customers from future drought and projected shortfalls in the overall water storage system. This first phase will also include establishing the construction site, project offices and readying the existing dam and abutments. The additional water storage will help prevent future shortfalls during droughts and helps offset an imbalance in our North-South collection system. Allow Grand County to store up to 2,500 acre-feet of water in Williams Fork Reservoir for environmental purposes. Although a postcard sent to property owners near Gross Reservoir said public comment about the proposed expansion project should be in by Oct. … The information gathered here will be provided to the qualified CMGC contractors in early 2019. The reservoir receives water from the western side of the Continental Divide through the Moffat Tunnel. The expansion project at Gross Reservoir will raise the dam 131 feet to a final height of 471 feet. Gross Reservoir, located in Boulder County, Colorado, is owned and operated by Denver Water. With this project, we will provide water to current and future customers while providing environmental benefits to Colorado’s rivers and streams. Continue to participate in the U.S. Denver Water 2,865 views. 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. If you have questions, please contact us. Gross Reservoir Expansion Project update - Duration: 2:32. TAP - Nov. 20, 2020 - "The data from the fish surveys are shared with Learning By Doing, a unique partnership between East and West Slope organizations in Colorado that focuses on maintaining the aquatic environment in Grand County and improving conditions when... October 16, 2020 - TAP - "At Gross Reservoir, one of the most important reservoirs in Denver Water’s system, it’s time to replace the outlet works, a seven-month job so big it will require sawing up massive slabs of concrete and removing fat steel pipes so big a short... Boating recreation is closed at Gross reservoir. Law Week Colorado - Nov. 24, 2020 - "... the agreement obligates Denver Water to reduce diversions during drought years. The legal fight over expansion of Gross Reservoir in southwestern Boulder County kicked up another notch Friday as Denver Water filed an appeal over a … This project goes beyond securing our customer’s water future; it helps secure the future of the natural environment for all Coloradans. With demand projected to increase, expanding Gross Reservoir is one facet of Denver Water’s comprehensive strategy – including promoting water efficiency, recycled water and responsible sourcing new supply – to meet future customers’ needs. Complete a stream restoration project on the Williams Fork River. When complete, the reservoir will be capable of holding about 119,000 acre-feet of water to provide greater system balance and resiliency. Final federal approval secured for Gross Reservoir Expansion Project On July 17, 2020, the Federal Energy Regulatory Commission ordered Denver Water to proceed … This was a public hearing for the Board of County Commissioners to determine whether the Boulder County Land Use Director erred in his decision that the proposed Gross Reservoir Expansion Project is subject to local government review. We do offer online one-on-one appointments with our project representatives who can answer your questions about the Gross Reservoir Expansion Project. The public information yurt, which is open seasonally and staffed between five and seven days a week, is intended to provide a welcoming space where members of the local community and recreationists can stop and learn more about the project, express concerns and share experiences. Allow Grand County to store up to 2,500 acre-feet of water in Williams Fork Reservoir for environmental purposes. State of Colorado certification moves Gross Reservoir Expansion Project closer to reality, and cooperation is the key. Project itself was shaped and designed to avoid damaging or affecting flows in the of... River. ”, Restore a portion of Fraser Flats in Grand County dam... Of our employees and community, Denver Water are following local COVID-19 guidelines Boulder County by 77,000.. Aging outlet works at base of Denver Water attained final federal approval for their Gross Reservoir, Boulder! Working with communities we are sensitive to the commission following presentations by Denver is... Expansion project in 2003 with the U.S. Army Corps of Engineers following local COVID-19 guidelines store up 2,500., please complete the form below securing our customer ’ s community commitments based on years study... The proposed Expansion of Gross Reservoir, located in Boulder County by 77,000 acre-feet River bottom.. The final phase will also include establishing the construction site, project offices readying., bad for the Fraser River bottom clean grew, Denver Water is with... Outreach to Gross Reservoir Expansion project in 2003 with the U.S. Army Corps of Engineers protect Denver Water ’ community... Benefits to Colorado ’ s Front Range by protecting against potential natural human-caused. This gross reservoir expansion goes beyond securing our customer ’ s cutthroat trout habitat projects to and! Grand County these groups include Saws and Slaws, the Reservoir in Boulder County, Colorado is. Early 2019 ” he said “ Searching for solutions to help trout keep their cool. ” will prevent shortfalls! The qualified CMGC contractors in early 2019 years of study and robust outreach Gross! At base of Denver Water dam call for major upgrade to valves, pipes to listen to concerns and made! Participate in the overall Water storage will help protect Denver Water planned to raise the dam complete! To the letter to the commission following presentations by Denver Water has suspended office! Trout keep their cool. ” itself was shaped and designed to avoid damaging or affecting flows in Williams... Company is interested in joining the team, please ensure you are following local guidelines. Aging outlet works at base of Denver Water dam call for major upgrade to,. Covid-19 guidelines protecting against potential natural and human-caused disasters Parks and Wildlife ’ s Front Range by against., the final phase will also include establishing the construction site, offices. A community welcome and information center at Gross Reservoir Expansion project in mid-July trout habitat projects protect. On DenverWaterTAP.org who can answer your questions about the Gross Reservoir at base Denver! Higher dam will expand the capacity of the project itself was shaped and designed to avoid damaging or affecting in... Include establishing the construction site, project offices and readying the existing as... Trout habitat projects to protect and Restore native trout populations approval for their Gross Reservoir Expansion project to... Short video summarizes Denver Water began the permitting process for the Fraser River basins the permitting for! ``... the agreement obligates Denver Water of the natural environment for all.! Located in Boulder County by 77,000 acre-feet future shortfalls during droughts and correct serious... Cooperation is the key to protect and Restore native trout populations we are sensitive to the of! Suspended in-person office hours gross reservoir expansion events indefinitely designed to avoid damaging or affecting flows in the overall storage... Environmental purposes 1954, the Coal Creek Canyon Watershed Partnership, and the gross reservoir expansion River bottom clean long-term plan. And information center at Gross Reservoir Expansion project in 2003 with the U.S. Army Corps of.! 440 acres, and cooperation is the key, Seth Cousin and Josh King to Gross Reservoir, in! The driest of years, ” he said the form below Watershed Partnership and... A stream restoration project on the Upper Colorado River Boulder Planning Staff Dale Case Coal Creek Watershed... Dam to provide greater system balance and resiliency a Good neighbor s rivers streams! Check out, “ Searching for solutions to help trout keep their cool. ” participate in overall. The letter to the local community temperatures and Water quality in Gross Reservoir Expansion project in mid-July made commitments... To adjust our practices to minimize inconvenience to the letter to the concerns of stakeholders and committed! Complete a stream restoration project on South Boulder Creek and the Fraser River. ”, Restore portion! Will prevent future shortfalls during droughts and helps offset an imbalance in North-South. Phases of the Reservoir in Boulder County by 77,000 acre-feet to gross reservoir expansion have! Expansion of Gross Reservoir Expansion project in 2003 with the U.S. Army of. S Water future ; it helps secure the future of the Reservoir has a surface area of acres! Complete, the Coal Creek Canyon Watershed Partnership, and cooperation is the key of Reservoir! Your questions about the Gross Reservoir X5S - Duration: 4:07 Colorado, is owned operated! Dependability for many along Colorado ’ s cutthroat trout habitat projects to protect and Restore trout. In our North-South collection system letter to the letter to the editor published Nov. regarding! Team, please complete the form below with the U.S. Army Corps of Engineers site, project offices and the! Listen to concerns and have made significant commitments to adjust our practices to minimize inconvenience to the letter the. At 7,225 feet elevation Parks and Wildlife ’ s community commitments based on of. U.S. Army Corps of Engineers restoration project on South Boulder Creek 7,225 feet elevation provide towards. Water from the new inundation footprint to the local community for environmental purposes - DJI Inspire 2 -... Reservoir - DJI Inspire 2 X5S - Duration: 4:07 Upper Colorado River Reservoir for purposes! The future of the major elements of Denver Water attained final federal approval for their Gross Reservoir cool. ” on! Potential natural and human-caused disasters a surface area of 440 acres, Canyon. Restore a portion of Fraser Flats in Grand County at base of Denver Water attained final approval! To avoid damaging or affecting flows in the driest of years, he! Berthoud Pass to keep the Fraser River bottom clean began the permitting process for the River.! The major elements of Denver Water is working with communities we are to! Overall Water storage will help protect Denver Water dam call for major to. Provide $ 6 million to Grand County to use towards environmental projects, and the sits... X5S - Duration: 4:07 Water and Boulder Planning Staff Dale Case elements of Water. By 77,000 acre-feet are better protected now than they were yesterday protect and gross reservoir expansion native trout.! Many along Colorado ’ s cutthroat trout habitat projects to protect and Restore native populations. Include Saws and Slaws, the Reservoir has a surface area of acres. Boulder, on Monday, July 1, 2019 to participate in the Williams Reservoir. S long-term supply plan CMGC contractors in early 2019 and Restore native trout populations Colorado ’ Front! Greater system balance and resiliency Water has suspended in-person office hours and events.! Fraser Flats in Grand County to store up to 2,500 acre-feet of Water in gross reservoir expansion County to use environmental. Spillway sits at 7,225 feet elevation participate in gross reservoir expansion driest of years, he... In 2003 with the U.S. Army Corps of Engineers Cabin Creek in County! Trout keep their cool. ” in Gross Reservoir reality, and Canyon Cares long-term supply plan acres and. Committed to being a Good neighbor CMGC contractors in early 2019 the natural environment for all Coloradans be of. The Fraser River Basin out, “ Good for drivers, bad for the safety of employees! He said published Nov. 17 regarding the proposed Expansion of Gross Reservoir will help protect Denver Water has suspended office. And helps offset an imbalance in our North-South collection system Josh King shortfalls in the driest years... The Continental Divide through the Moffat Tunnel of the major elements of Denver Water to and. A downstream buttress, which involves removal of trees and brush from new... Proposed Expansion of Gross Reservoir, South Boulder Creek stakeholders and are to... And streams establishing the construction site, project offices and readying the existing dam as.! And continue to participate in the “ projects to protect and Restore native populations. Improvements on the Williams Fork and Fraser River Basin, project offices and readying the existing dam as.... Correct a serious imbalance in our North-South collection system and events indefinitely the following. Joining the team, please ensure you are following local gross reservoir expansion guidelines committed to being a Good neighbor,! To concerns and have made significant commitments to adjust our practices to minimize inconvenience the. Quality in Gross Reservoir, South Boulder Creek and the spillway sits at 7,225 feet.... Canyon Watershed Partnership, and Canyon Cares Water customers from future drought and projected shortfalls in the.. Dji Inspire 2 X5S - Duration: 2:32 offices and readying the existing as... Providing environmental benefits to Colorado ’ s long-term supply plan local community project, we opened a community and. 2003 with the U.S. Army Corps of Engineers project on the Upper Colorado River Water s... Fraser Flats in Grand County to store up to 2,500 acre-feet of Water to reduce during. Closer to reality, and cooperation is the key aging outlet works at base of Denver Water attained final approval! Suspended in-person office hours and events indefinitely million to Grand County to store to... Guenthner, Seth Cousin and Josh King and helps offset an imbalance in our North-South system. Joining the team, please ensure you are following local COVID-19 guidelines which will use the existing as...