denver water roberts tunnel

Denver Water can't keep the Roberts Tunnel turned off very long. 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. Customer Care. One of the trickier supply dances begins this month. Despite the ongoing drought, the reservoir is full because less water was released to flow downstream in the Blue River or moved across the Continental Divide to the South Platte River via the Roberts Tunnel. . ROBERTS City and Denver County of W i l o w W olf rd M u ntai R es rvoi (10,749 af) ( 97, af) RES VOI (79,064 af) (257,304 f) GUMLICK TUNNEL (4 1,8 af) Tu ne l Boustead Tu nel Homestake Twin Lakes Tu nel F rase C r e e k C e e k Bo u l d e r M u d d y Kre mling Di lon RESERVOIR ANTERO (19,881 af) Hartsel SOUTH CANAL D IVERS ON BOULDER (20,262 . A tunnel. Denver Water considers the needs of whitewater enthusiasts when making operational decisions in its water system and at the Roberts Tunnel. Denver Water Board Staff, Holly Geist and Matt Bond, share the history of Dillon Dam and the Roberts Tunnel. Check out what Denver Water crews do to make sure we can deliver water to your home. The 1980s saw completion of the Foothills Treatment Plant, southwest of Denver near Roxborough State Park. The Blue River is the main raw-water source in the Roberts Tunnel Collection System. 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 . White River Before 5 3/13/2017. ROBERTS TUNNEL AT EAST PORTAL NEAR GRANT (ROBTUNCO) Station Type: Diversion Station Details. Tue, 12/21/2021 - 12:00. By erasing the blue line, Denver Water was accepting continued population and . That's because a wet spring east of the Divide . 303-893-2444. 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 . 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. In this photo circa 1962, laborers had to deal with snow and ice in the Harold D. Roberts Tunnel. Check out what Denver Water crews do to make sure we can deliver water to your home. 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. Abbreviation: ROBTUNCO . All of the water in Denver's water system is surface water. 0. Today, Denver Water's service area covers more than 335 square miles, including the City and County of Denver and several suburban distributors. Roberts Tunnel.1960. 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. This. 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. The proposed diver-sions would utilize the existing Dillon Reservoir and Roberts 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. After a hiatus during World War II, work resumed again on June 24, 1946. 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. 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. "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. 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. 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. Cubic Feet Per Second. 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. "Additional important context: Since April, Denver Water has not used the Roberts Tunnel, which conveys water from Dillon to the Front Range. Water District: 80 County: PARK State: CO Water Source: NORTH FORK SOUTH PLATTE RIVER [00183164] @ Stream Mile: 39.87 . Design Standards; New Water Service Connections; . "Between the rising temperatures, changes to . Some of the workers involved in the construction of the Roberts Tunnel, a 23-mile tunnel that carries water under the Continental Divide. 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 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. Emergencies. Contractors . "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. . The tunnel's construction began in 1956, amidst one of the worst drought periods in Colorado's history, and was completed in. These return flows are fully reusable, which, at times, Denver cannot fully use. Green Mountain Reservoir DILLON RESERVOIR CHEESMAN After Denver makes use of that water, the unconsumed portions of these flows return to the lower South Platte near PWP. What Denver Water's Roberts Tunnel can — and can't — do to enhance water levels on cherished stretch of river. Posted in Adams County, . Use the date picker to choose a date and view historical diversion data. Dillon Homestake Granby Green Mountain Rifle Gap Ruedi Shadow Mountain Williams Fork Willow Creek Windy Gap . 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. Elevated flows are in response to Denver Water shutting off Roberts Tunnel on the North Fork of the SP for the winter. 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. It took 18 years . Completed in 1962, the tunnel took 16 years to build and can deliver more than 480 million gallons of water a day to the Front Range. If you need data that is older than 30 days, contact Raw Water Supply. 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. Reservoir Storage Levels. Denver Water's solution? Roberts Tunnel construction Engineers with Denver Water at the time, didn't want to move mountains, or go over them - their only choice was to go through them. Water from Dillon Reservoir in Summit County flows through the Roberts Tunnel to the Front Range. The only way to do that now is by diverting more water through the 10-foot-3-inch-diameter Roberts tunnel — which runs from Dillon Reservoir 23.3 miles under mountains to the eastern side of the . The tunnel is responsible for sustaining upwards of 1.3 million people. Due to the high percentage of rain in the forecast, Denver Water has stated a statement regarding the outflows of Roberts Tunnel. Report issued by the U.S. Bureau of Mines discussing sinking and excavation of large-diameter access shafts. Today, Denver Water's service area covers more than 335 square miles, including the City and County of Denver and several suburban distributors. "A must see by every Summit County resident." Wednesday, June 16th; 5:00 -6:00 PM Zoom Event; Tickets $10 It took 18 years . • Construction of Dillon Dam and Roberts Tunnel. The water Denver Water delivers to customers is lead-free. . The dam and tunnel construction began in 1942. Photo credit: Denver Water. 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. The Roberts Tunnel is a pressure tunnel that is lined with concrete and finished to a circular diameter of 10.25 feet. For every foot of water depth, you gain 0.43 pounds per square inch (psi). Dillon Homestake Granby Green Mountain Rifle Gap Ruedi Shadow Mountain Williams Fork Willow Creek Windy Gap . 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. Denver Water's system and to release that water to the "nearest convenient natural watercourse". Typically, Denver Water pulls water from the lake using the Roberts Tunnel through the end of the year, but the tunnel will be undergoing about two months of maintenance this fall. Denver Water's solution? Other Projects. . A tunnel. Note: We will make every effort to upload data from the previous Friday, Saturday and Sunday on the following Monday. -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. Imagine driving through a wet and dark tunnel 4,000 feet underground! Protecting Agriculture, Environment, Recreation & Water Supply for Western Colorado. Enjoy this wonderful presentation by Denver Water Board Historian, Holly Geist . The 23-mile Harold D. Roberts Tunnel was completed in 1962, bringing water to Denver from the other side of the Continental Divide. Denver The Roberts Tunnel system is the second-largest system and is located on the west slope of the Continental Divide (Denver Water, 2005). 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). the 1940 Agreement. 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. 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. Denver Water facts •Established in 1918 •Governed by Board of Water Commissioners (not the City and County of Denver) . Along U.S. 285 near Grant, there is the east portal of the Roberts Tunnel, which conveys water from Dillon Reservoir. Currently Denver Water is releasing 100 cfs (to supplement the natural flow of 40 cfs) and the trout are feisty as ever. 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. Tunneling began in 1942 and the tunnel was holed-through in early 1960, with construction completed 1962. Roberts Tunnel Watershed: Journey through the WR Natl Forest 4 3/13/2017. 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 . Your Water. So in 1946, they started building a. Photo credit: Denver Water. 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. This is not Denver Water's first security closure. Dillon is Denver Water's largest. Data is stored for 30 days. From Oct. 28 to Nov. 7, Denver Water squelched the flow through the Roberts Tunnel, which delivers water from Dillon Reservoir through the Continental Divide and ultimately to the taps of the . 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. 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 Construction Information. 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. Denver lifted the blue line in 1960 because of developing feuds with sprawling suburbs that were demanding water. That orchestration was hard enough. "Between the rising temperatures, changes to . 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. . Imagine driving through a wet and dark tunnel 4,000 feet underground! Green Mountain Reservoir DILLON RESERVOIR CHEESMAN 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. 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. 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