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 Roberts Tunnel is well known in the Colorado water world for its key purpose: moving water 23 miles under the Continental Divide, from Dillon Reservoir to the North Fork of the South Platte River, so it can flow onward to Denver Water customers. Denver water honors water tunnel that began flowing in ... That orchestration was hard enough. Your Water. 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. Protecting Agriculture, Environment, Recreation & Water Supply for Western Colorado. Denver Water has temporarily shut down one of its most important assets — the Roberts Tunnel — for a series of repairs inside the 23-mile long liquid expressway that moves water from Dillon Reservoir under the Continental Divide to the Front Range. 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. A tunnel. Water from the reservoir flows through the Roberts Tunnel to the North Fork of the South Platte, the river on which the Denver water system was built. These return flows are fully reusable, which, at times, Denver cannot fully use. 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. The 23-mile Harold D. Roberts Tunnel was completed in 1962, bringing water to Denver from the other side of the Continental Divide. Local historian tells the tale of the Dillon Reservoir ... 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. PDF Summary of the Enerineerine Geology .^ of the V^-J ... Famed tunnel under Continental Divide ... - Denver Water The dam and tunnel construction began in 1942. The Denver Post Online: Colorado Water Currently Denver Water is releasing 100 cfs (to supplement the natural flow of 40 cfs) and the trout are feisty as ever. Streamflow Gages - Water Levels | Colorado Rivers & Reservoirs "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. The proposed diver-sions would utilize the existing Dillon Reservoir and Roberts Tunnel. Fisherman are all smiles after the Denver Water Board began releasing water from the Roberts Tunnel this past week. Abbreviation: ROBTUNCO . Denver Water facts •Established in 1918 •Governed by Board of Water Commissioners (not the City and County of Denver) . If you need data that is older than 30 days, contact Raw Water Supply. Denver Water Board Staff, Holly Geist and Matt Bond, share the history of Dillon Dam and the Roberts Tunnel. Roberts Tunnel. "We've had really low demand so far this spring on the east slope side," Elder said. Tunneling began in 1942 and the tunnel was holed-through in early 1960, with construction completed 1962. Denver lifted the blue line in 1960 because of developing feuds with sprawling suburbs that were demanding water. 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 White River After 6 3/13/2017. One of the trickier supply dances begins this month. 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. Summit County is a major donor basin, providing approximately 75,000 AFY through Dillon Reservoir, Straight Creek Tunnel, Vidler Tunnel and the Continental Hoosier Tunnel. 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 . Today, Denver Water's service area covers more than 335 square miles, including the City and County of Denver and several suburban distributors. Today, Denver Water's service area covers more than 335 square miles, including the City and County of Denver and several suburban distributors. Elder said that Denver Water turned off the divided-traversing Roberts Tunnel in April, which helped bring up water in Dillion Reservoir, the utility's largest. Elevated flows are in response to Denver Water shutting off Roberts Tunnel on the North Fork of the SP for the winter. Cubic Feet Per Second. Surge chamber. The Blue River is the main raw-water source in the Roberts Tunnel Collection System. 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. (Photo credit: Denver Water) The North System Renewal Project marks the largest capital investment project in Denver Water history, even topping construction of the 23-mile Roberts Tunnel under the Continental Divide in the 1950s and 1960s. Photo credit: Denver Water. 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. . Valid Date. Denver Water built the 7,700 acre-foot Strontia Springs Reservoir, considered an . 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. Once the Roberts Tunnel was opened (moving water from Dillon to Denver via the North Fork of the South Platte River), Cheesman Reservoir outflows were dropped to a mere 75 cfs in an effort to fill the lake. Denver Board of Water Commissioners Water Collection System CONTINENTAL DIVIDE STREAM OR RIVER TUNNEL, CANAL OR DITCH COLLECTION SYSTEMS SOUTH PLATTE MOFFAT TUNNEL ROBERTS TUNNEL WILLIAMS FORK WATERSHED TREATMENT PLANT N:\@wra\gis\dw-sys\sys6-lp.ppt MOFFAT WILLIAMS FORK RESERVOIR Wolford Mt Res. "Between the rising temperatures, changes to . In this photo circa 1962, laborers had to deal with snow and ice in the Harold D. Roberts Tunnel. As of July 29th, 2021, Denver water has reduced the current outflow of the Roberts Tunnel to 50 CFS. All of the water in Denver's water system is surface water. Colorado Basin Roundtable ℅ Colorado River Water Conservation District 201 Centennial Street, Suite 200 Glenwood Springs, Colorado 81601. Denver Water's solution? Dillon Homestake Granby Green Mountain Rifle Gap Ruedi Shadow Mountain Williams Fork Willow Creek Windy Gap . 29 Jan Gracon Wins Denver Water's Roberts Tunnel East Portal Hydro Upgrades Project. Some of the workers involved in the construction of the Roberts Tunnel, a 23-mile tunnel that carries water under the Continental Divide. 0. "Additional important context: Since April, Denver Water has not used the Roberts Tunnel, which conveys water from Dillon to the Front Range. The 23-mile Harold D. Roberts Tunnel was completed in 1962, bringing water to Denver from the other side of the Continental Divide. For every foot of water depth, you gain 0.43 pounds per square inch (psi). Along U.S. 285 near Grant, there is the east portal of the Roberts Tunnel, which conveys water from Dillon Reservoir. 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. This reduction is down 50 CFS from the original 100 CFS. Customer Care. -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. After Denver makes use of that water, the unconsumed portions of these flows return to the lower South Platte near PWP. 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. Water from Dillon Reservoir in Summit County flows through the Roberts Tunnel to the Front Range. "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. Emergencies. White River Before 7 3/13/2017. Water District: 80 County: PARK State: CO Water Source: NORTH FORK SOUTH PLATTE RIVER [00183164] @ Stream Mile: 39.87 . This is not Denver Water's first security closure. After a hiatus during World War II, work resumed again on June 24, 1946. Check out what Denver Water crews do to make sure we can deliver water to your home. 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. . 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 Daily Sentinel reports that Dillon Reservoir is now 100% full, according to Denver Water. 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. Reservoir Storage Levels. 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's construction began in 1956, amidst one of the worst drought periods in Colorado's history, and was completed in. South Platte System. 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. 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. 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. 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 Source: Gordon Evig 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 . 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. 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. System. Abbreviation: ROBTUNCO . Report issued by the U.S. Bureau of Mines discussing sinking and excavation of large-diameter access shafts. 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. 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. The tunnel's west portal, under Lake Dillon, is at What Denver Water's Roberts Tunnel can — and can't — do to enhance water levels on cherished stretch of river. 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