Gracon was awarded this $10M contract with Denver Water to replace the aging electrical and mechanical infrastructure at the Roberts Tunnel East Portal, near Grant, CO. Project includes upgrading the existing . So in 1946, they started building a. Denver Water was given this ability due to a wet spring pulling the Front Range out of a drought and into a good spot with water. Abbreviation: ROBTUNCO . CHAPTER TWO Denver Water Case Study The tunnel is responsible for sustaining upwards of 1.3 million people. Dillon is Denver Water's largest. 2203 - Denver Water Sources - PlantTalk Colorado "A must see by every Summit County resident." Wednesday, June 16th; 5:00 -6:00 PM Zoom Event; Tickets $10 The natural flows in the basin were so high that Denver Water left the Roberts Tunnel off. Denver Water considers the needs of whitewater enthusiasts when making operational decisions in its water system and at the Roberts Tunnel. Although a short natural runoff does exist, most boatable flows are provided by water transports from Lake Dillion to Denver via the Roberts Tunnel. The 23-mile Roberts Tunnel, the longest underground tunnel of its kind, was drilled between Dillon and Grant, on the other side of the Divide. The 23-mile Roberts Tunnel, the longest underground tunnel of its kind, was drilled between Dillon and Grant, on the other side of the Divide. A tunnel. Thanks in part to bountiful snowfall this winter and water-pinching consumers along the Front Range, Denver Water's system of reservoirs features the highest levels since 1958. ROBTUNCO - dwr.state.co.us For every foot of water depth, you gain 0.43 pounds per square inch (psi). "On August 20 Denver Water will begin to shut down Roberts Tunnel and allow four days to drain the tunnel and ensure the west portal gate is sealed by Aug. 24. Denver Water releases water from Williams Fork Reservoir, stored under a 1935 priority date, and diverts it by exchange upstream on the Blue River at Dillon Reservoir or Roberts Tunnel, or releases water from Williams Fork Reservoir to Is it possible to scuba dive through the Roberts Tunnel? Toss is heavy spring winds and a lot of evaporation and you have a huge problem. Roberts Tunnel - Park County Local History Archives Closing off a key supply system until spring. | YourHub 1.3 Billion Investment On Tap For Denver Water System Denver Water's solution? Figuring out the flow in the North Fork | Denver Water Dillon Reservoir, owned by Denver Water, has a capacity of 254,000 AF, diverting the largest amount of water from the Blue River through the Roberts Tunnel to the South . The inlet for the tunnel sits at 8,846 feet, which is 170 feet below the high-water line. Save your business water and money with Denver Water's rebates. Colorado Basin Roundtable ℅ Colorado River Water Conservation District 201 Centennial Street, Suite 200 Glenwood Springs, Colorado 81601. All of the private leases (The Meadows, Long Meadow, Boxwood Gulch, and the North… The 23-mile Harold D. Roberts Tunnel was completed in 1962, bringing water to Denver from the other side of the Continental Divide. Check out what Denver Water crews do to make sure we can deliver water to your home. Due to the high percentage of rain in the forecast, Denver Water has stated a statement regarding the outflows of Roberts Tunnel. Harold D. Roberts Tunnel, Colorado By ERNEST E. WAHLSTROM ENGINEERING GEOLOGY OF THE HAROLD D. ROBERTS TUNNEL, COLORADO GEOLOGICAL SURVEY PROFESSIONAL PAPER 831~E A critical review and analysis of the application of geology during planning and construction of a major water tunnel in the Rocky Mountain West The reservoir may fill for a second time this year because Denver Water is conducting scheduled maintenance later this summer on the Roberts Tunnel, a 23-mile underground tunnel that carries water from Dillon Reservoir, on the western side of the Continental Divide, to the South Platte River near Bailey. ROBERTS TUNNEL AT EAST PORTAL NEAR GRANT (ROBTUNCO) Station Type: Diversion Station Details. Denver The Roberts Tunnel system is the second-largest system and is located on the west slope of the Continental Divide (Denver Water, 2005). 29 Jan Gracon Wins Denver Water's Roberts Tunnel East Portal Hydro Upgrades Project. A quick Google search said that 165 feet is about the deepest anyone would say is the max for recreational diving due to the issues like oxygen toxicity and nitrogen narcosis. The Blue River is the main raw-water source in the Roberts Tunnel Collection System. The court reasoned that Blue River system water is imported through the Roberts Tunnel under a 1946 priority date, whether it is imported after diversion in priority, or after out-of-priority diversions enabled by Denver's exchange operations using water released from Williams Fork Reservoir as a substitute supply. System. Posted at 16:54h in Company News by Kathy Fyten. That orchestration was hard enough. Denver Water has an extensive water delivery system, including water it diverts from the west slope to the South Platte through the Roberts Tunnel. Other Projects. One of the trickier supply dances begins this month. Denver Water built the 7,700 acre-foot Strontia Springs Reservoir, considered an . Source: Gordon Evig Denver water serves 1.5 million people in Denver and surrounding areas uses the reservoir and Harold D. Roberts tunnel to transport millions of gallons daily to the South Platte River for use.. Note: We will make every effort to upload data from the previous Friday, Saturday and Sunday on the following Monday. . of Denver, consisting of existing divisions through the Moffat and Roberts Tunnels diverting respectively from the Fraser River and the Blue River and their tributaries, and proposed diversions from the Piney and the Gore. The dam diverts water from the Blue River Basin through the 23.3 mile (37.5 km) Harold D. Roberts Tunnel under the Continental Divide into the South Platte River Basin. 0. Fisherman are all smiles after the Denver Water Board began releasing water from the Roberts Tunnel this past week. Elder also said the Roberts Tunnel, which moves water from the Western Slope to the Front Range, was turned off for a part of August when it would typically be running at 215 cubic feet per second. Cheesman Reservoir is now responsible for Denvers water supply throughout the winter and flows through Deckers will likely remain above historical levels, as a result. Dillon Homestake Granby Green Mountain Rifle Gap Ruedi Shadow Mountain Williams Fork Willow Creek Windy Gap . The Roberts Tunnel is a pressure tunnel that is lined with concrete and finished to a circular diameter of 10.25 feet. White River Before 7 3/13/2017. That project will cut off Denver from Dillon Reservoir and require Denver Water to rely heavily on Cheesman Reservoir, which draws water primarily from the South . 303-893-2444. Roberts Tunnel Watershed: Journey through the WR Natl Forest 4 3/13/2017. . In this photo circa 1962, laborers had to deal with snow and ice in the Harold D. Roberts Tunnel. Starting in Summit County, Roberts Tunnel carries water from Dillon Reservoir, under the Continental Divide and into the North Fork of the South Platte River in Park County before heading on to customers in Denver. Today, Denver Water's service area covers more than 335 square miles, including the City and County of Denver and several suburban distributors. This is not Denver Water's first security closure. This talk will go over the history of Dillon Dam and the Roberts Tunnel, as well as a little bit on the present day project happening at the Roberts Tunnel. Denver Water's management of its water system has resulted in many high-quality kayaking days on the North Fork over the past several years, but this is the first time we are planning a weekend event. Check out what Denver Water crews do to make sure we can deliver water to your home. Currently the flow is 450 cfs, but that will change soon as Denver Water will be shutting off the Roberts Tunnel to conduct some hydro upgrades and maintenance on the tunnel. The 1980s saw completion of the Foothills Treatment Plant, southwest of Denver near Roxborough State Park. Currently Denver Water is releasing 100 cfs (to supplement the natural flow of 40 cfs) and the trout are feisty as ever. Bailey Canyon is a Colorado whitewater classic, if not for its endless class IV rapids through a beautiful canyon, then for its long season brought to you by the burgeoning Denver metropolis. The dam and tunnel construction began in 1942. Data is stored for 30 days. Denver Water Board Staff, Holly Geist and Matt Bond, share the history of Dillon Dam and the Roberts Tunnel. Elevated flows are in response to Denver Water shutting off Roberts Tunnel on the North Fork of the SP for the winter. ROBERTS TUNNEL AT EAST PORTAL NEAR GRANT (ROBTUNCO) Station Type: Diversion Station Details. Valid Date. A tunnel. South Platte System. Denver Water's management of its water system has resulted in many high-quality kayaking days on the North Fork over the past several years, but this is the first time we are planning a weekend event. Another key site is the Strontia Springs Dam, which rises to a dizzying 234 feet above the South Platte River streambed, 6.5 miles upstream from the mouth of Waterton Canyon. Harold D. Roberts Tunnel: The Roberts Tunnel was built in 1952 to bring water to Denver from Dillon Reservoir, which sits at the confluence of the Blue River, Snake River and Ten Mile Creek. That's because a wet spring east of the Divide . It comes from snowpack in the mountains, which melts and runs off into four raw water collection systems: the South Platte system, the Moffat system, the Roberts Tunnel system, and the Williams Fork reservoir and power plant. Today, Denver Water's service area covers more than 335 square miles, including the City and County of Denver and several suburban distributors. The Roberts Tunnel, finished in 1962 about the same time the old town of Dillon was relocated to its current spot and the Dillon Dam was built, is a 23-mile concrete conduit that diverts water from the Blue River basin on the Western Slope to the South Platte Basin on the Front Range to supply more than 1.4 million Denver Water customers. D. Roberts Tunnel for a Denver Water Board attorney who was instrumental in the buying of the water rights and gain-ing congressional approval for the project. As of July 29th, 2021, Denver water has reduced the current outflow of the Roberts Tunnel to 50 CFS. Water from Dillon Reservoir in Summit County flows through the Roberts Tunnel to the Front Range. This reduction is down 50 CFS from the original 100 CFS. Some of the workers involved in the construction of the Roberts Tunnel, a 23-mile tunnel that carries water under the Continental Divide. Roberts Tunnel/Denver Water Boustead Tunnel/Fryingpan-Arkansas Project Homestake Tunnel/Aurora Busk-Ivanhoe Tunnel Grand River Ditch Moffat Tunnel/Denver Water Independence Pass/Twin Lakes Tunnel Vidler Tunnel. The 23-mile Harold D. Roberts Tunnel was completed in 1962, bringing water to Denver from the other side of the Continental Divide. Emergencies. Green Mountain Reservoir DILLON RESERVOIR CHEESMAN . Dillon Homestake Granby Green Mountain Rifle Gap Ruedi Shadow Mountain Williams Fork Willow Creek Windy Gap . Construction Information. . Enjoy this wonderful presentation by Denver Water Board Historian, Holly Geist . Along U.S. 285 near Grant, there is the east portal of the Roberts Tunnel, which conveys water from Dillon Reservoir. After Denver makes use of that water, the unconsumed portions of these flows return to the lower South Platte near PWP. Denver Water's solution? • Construction of Dillon Dam and Roberts Tunnel. Denver Water was given this ability due to a wet spring pulling the Front Range out of a drought and into a good spot with water. Water District: 80 County: PARK State: CO Water Source: NORTH FORK SOUTH PLATTE RIVER [00183164] @ Stream Mile: 39.87 . That means that the reservoir, which provides 37% of the Front Range's water supply, is kept at full capacity for as long as possible, and then starts to flow through the Roberts Tunnel when needed. The capital plan also provides money to finish Denver Water's Operations Complex Redevelopment Project in Denver, upgrade the hydropower unit at the Roberts Tunnel, replace the concrete spillway at Ralston Reservoir, and purchase new heavy equipment and vehicles. The tunnel was designed to transport 788 second-feet of water with a hydraulic gradient of 0.00145 and a velocity of 9.55 feet per second. In 2020, Denver Water underwent a large shift in how it moved water in its systems due to repair work that forced the closure of Roberts Tunnel, which moves water 23 miles under the Continental. Photo credit: Denver Water. Protecting Agriculture, Environment, Recreation & Water Supply for Western Colorado. During the 1960s, the Blue River Basin was developed, including Dillon Reservoir and the 23-mile Roberts Tunnel, which brings water into the North Fork of the South Platte. Photo credit: Denver Water. Roberts Tunnel.1960. Denver Water facts •Established in 1918 •Governed by Board of Water Commissioners (not the City and County of Denver) . "It's a great sign that our customers really understand efficient water use and let Mother Nature do the watering for them when possible." Elder said that Denver Water turned off the. Design Standards; New Water Service Connections; . July 10, 2019 | By: Todd Hartman The North Fork of the South Platte River enjoys high flows of water July 1, the result of the big snowpack in 2019. As stated in the introduction, "this information circular describes the application of modern methods and equipment in sinking a vertical, 916-foot-deep by 16-foot-diameter, concrete-lined access shaft for the Harold D. Roberts tunnel near Montezuma, Colo." (p. 1). Roberts Tunnel/Denver Water Boustead Tunnel/Fryingpan-Arkansas Project Homestake Tunnel/Aurora Busk-Ivanhoe Tunnel Grand River Ditch Moffat Tunnel/Denver Water Independence Pass/Twin Lakes Tunnel Vidler Tunnel. Denver Water can't keep the Roberts Tunnel turned off very long. The water-diversion project was completed in 1962, after six years. Tunneling began in 1942 and the tunnel was holed-through in early 1960, with construction completed 1962. Abbreviation: ROBTUNCO . Elder noted that Denver Water is bringing much less water through the Roberts Tunnel than it typically would because of good moisture levels in the South Platte Basin, which is at 96% of normal, and water conservation by consumers on the Front Range. Contractors . Reservoir Storage Levels. -Denver Water staff member after 2002-2003 water shortage Continuous Improvement •In effect every year from May 1 until October 1 • Water during cooler times of the day —lawn watering isnotallowed between 10 a.m. and 6 p.m. By erasing the blue line, Denver Water was accepting continued population and . . This north side shutdown is even more complicated than the maneuverings required in the summer of 2020, when Denver Water had to undertake big shifts in how it moved water through its system due to repair work that closed the Roberts Tunnel for two months, closing off access to water from Dillon Reservoir. It took 18 years . Roberts Tunnel. Your Water. "Between the rising temperatures, changes to . 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