Antero Reservoir is a reservoir in the US state of Colorado. It was created by the first dam placed on the South Platte River in Park County, central Colorado . It is owned by Denver Water and supplies drinking water to the greater Denver metro region almost 140 miles (230 km) away.
84-731: Built in 1909, the earthen dam sat on a site believed by geologists to be a dry lake bed some 300 years old. This lake, named Green Lake, lies submerged in Antero Reservoir. Denver Water acquired the reservoir property in 1924, along with the High Line Canal , and it has remained a part of the Denver Water system since 1924. The Reservoir was closed in 2002 for five years due to drought. The lake went completely dry, and Colorado Parks and Wildlife , in concert with Denver Water resurrected it in 2007. The Colorado Division of Wildlife re-stocked
168-455: A $ 17 million project to rehabilitate the dam began. The reservoir was then expected to be drained in 2015 for necessary repairs, with re-filling in 2016. In the event, Denver Water began to empty the reservoir in June 2015 for "significant repairs to Antero Dam". A weather station is operated at the reservoir site. It is notable for recording very cold temperatures, even by comparison to other sites of
252-473: A flood-control basin for the Denver metropolitan area . The river flows north through central Denver, which was founded along its banks at its confluence with Cherry Creek . The valley through Denver is highly industrialized, serving generally as the route for both the railroad lines, as well as Interstate 25 . On the north side of Denver, it is joined somewhat inconspicuously by Clear Creek , which descends from
336-428: A landscape that would otherwise be nearly without trees or bushes. The amount of water is also quite variable, both from year to year and within each year. The greatest water flows happen in the spring and early summer as the mountain snowpack melts. In order to have water in drier times dams have been constructed to hold back water from wet periods and transmountain diversions from the wetter Colorado Western Slope to
420-472: A larger reservoir. The project did not receive the needed permits and approvals from the federal government and several environmental groups filed suit to stop the project. In turn Denver filed suit against the government and the activists that opposed the project. While the process inched forward Denver Water put in place water restrictions and reduced the number of new taps allowed by one third in 1977. The suits were settled through negotiation in 1979 and both
504-692: A lead service line may be searched for on a page on the Denver Water website . As of 2024 the total number of service lines replaced was 21,000. South Platte River The South Platte River is one of the two principal tributaries of the Platte River . Flowing through the U.S. states of Colorado and Nebraska , it is itself a major river of the American Midwest and the American Southwest / Mountain West . Its drainage basin includes much of
588-471: A price could not be agreed upon. While residents recognized the value of the infrastructure that has been built by the company, they also resented the corruption that had allowed Cheesman and Moffat to acquire valuable natural resources and monopolize the provision of a necessity to the people. During the negotiations the city explored attempting to build a new, city owned system instead of the $ 9 million price offered in 1898. The city engineer thought that
672-465: A result of its close proximity to Denver , the river has thousands of fly fishing enthusiasts visit each year. With seven dams on the river, the South Platte is considered a tailwater fishery. Most of these dams are bottom released, which allows for both stable water temperatures and year-round fly fishing. Popular fly-fishing stretches of the river include Waterton Canyon , Cheesman Canyon , and
756-582: A right to a portion of the water stored. The largest of these is the Dillon Reservoir with a capacity of 257,304 acre⋅ft (317,380,000 m ). As of 2024 , 90% of the storage capacity of the system feeds into the southern collection system. The 10% of storage in the northern system is collected through the Moffat Tunnel and most of the storage is in Gross Reservoir . The history of Denver Water
840-514: A similar elevation, when cold air pooling affects the reservoir site but not the more open areas around it. This is because the reservoir is surrounded by even higher terrain on all sides, leading to sinking air when the wind is calm. According to the Köppen Climate Classification system, Antero Reservoir has a cold semi-arid climate , abbreviated "BSk" on climate maps. The shallowness of this reservoir makes it relatively warm for
924-588: A structure standing 615 ft (187 m) tall that would hold enough water for 400,000 more people in the Denver area. Meanwhile the Colorado Environmental Caucus worked to catalogue and publicize the natural environment of the canyon that would be flooded were the project to go ahead. Thirteen and a half miles of free flowing river habitat and the surrounding mountain canyon would be flooded under 1,100,000 acre⋅ft (1.4 × 10 m ) of water should
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#17328915003751008-591: A water system for a while, but eventually, the Denver Water System was created. In the late 1830s, four fur trading outposts were established on the river. In an arid region of the United States, the South Platte is marked with several dams. The first notable water impoundment on the South Platte is Antero Reservoir . "Antero" is derived from the Spanish word "delantero", which means "foremost" or "head", as
1092-508: Is a water utility that operates as a public agency serving the City and County of Denver, Colorado , and a portion of its surrounding suburbs. Established in 1918, the utility is funded by water rates and new tap fees. It is Colorado's oldest and largest water utility. The challenge for any city in Colorado is the arid character of the countryside. Denver and its suburbs are an artificial oasis in
1176-405: Is rooted in the private companies, personal water diversions, and government regulation that preceded its creation. The city of Denver itself was only founded in 1859 and at that time the high plains of the shortgrass prairie were widely regarded an "arid desert" as Francis Parkman described it in 1849. Traveling to Bent's Fort he described a water deficient landscape where, "the only vegetation
1260-578: The Colorado River Water Conservation District for part of the water in the planned Wolford Mountain Reservoir . This twenty-five year lease had been intended to provide exchange water, water released from elsewhere in the watershed to compensate for water diverted elsewhere. This would have allowed Denver to divert more water from its West Slope sources while Two Forks was being constructed. Instead of pulling out Chips Barry met with
1344-560: The Front Range urban corridor and Eastern Plains have been created. Denver Water is an independent agency that derives its authority and existence from Article X of the Charter of the City and County of Denver. Though owned and employed by Denver, the property and personnel controlled by the Board of Water Commissioners are referred to as Denver Water. Though they have also, at times, been called
1428-677: The Little Thompson River , the Big Thompson River , and the Cache la Poudre River , which it receives just east of Greeley . East of Greeley, it turns eastward, flowing across the Colorado Eastern Plains , past Fort Morgan and Brush , where it turns northeastward. It continues past Sterling , and runs into Nebraska between Julesburg, Colorado , and Big Springs, Nebraska . In Nebraska, it passes south of Ogallala and joins
1512-600: The Mosquito Range , on the western side of South Park, which is drained by the tributaries at the headwaters of the river. From South Park, it passes through 50 mi (80 km) of the Platte Canyon and its lower section, Waterton Canyon. Here, it is joined by the North Fork before emerging from the foothills southwest of the Denver suburb of Littleton . At Littleton, the river is impounded to form Chatfield Reservoir ,
1596-561: The North Platte River near the city of North Platte . The South Platte River through Denver is on the U.S. Environmental Protection Agency 's (US EPA) list of impaired waterbodies for pathogen impairment, with E. coli as the representative pathogen species. Other water issues involve the appearance of the New Zealand mud snail and zebra mussel . The flows of the South Platte have been greatly modified by human activity. Originally
1680-572: The Xeriscape Plant Guide in collaboration with the American Water Works Association. The average per person water use did start to come down in 2000s. Prior to 2002 the per person rate, including industrial and commercial uses with residential uses, was averaging 211 US gallons (799 L) per day. This dropped by 19% to 171 US gallons (647 L) per day. Not all projects were cancelled. Denver Water had contracted with
1764-758: The 20th century mean that flows reach the North Platte year round. The South Platte was originally called Niinéniiniicíihéhe by the native Arapaho people who lived on its banks. The early Spanish explorers called it the Rio Chato (calm river). In 1702, it was named the Rio Jesus Maria by Captain Jose Naranjo, the Indigenous-Spanish scout and captain of war of the New Mexico Indian Auxiliaries, who
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#17328915003751848-733: The Ashland Avenue Reservoir, the Alameda Avenue Tank, and Marston Lake. The competition between Citizens' Water Company and the Denver Water Co. was fierce, but ended with victory for Citizen's in 1894. The renamed Denver Union Water Company purchased the rival company's assets out of receivership and was thereafter the only water provider in Denver. The new monopoly did continue with improvements to its infrastructure. The Capitol Hill Reservoir and it pump station were completed in 1899. In order to store more spring runoff for
1932-871: The Denver Water Board, the Water Board, and the Denver Water Department. Historically, it was also called the Denver Municipal Water Works in its earliest years. The agency sets it own employment rules subject to the Denver City Charter and Article XX of the Colorado Constitution governing civil service employees. Denver water provides water to the people living in the City and County of Denver as well as 75 contractual distributors in
2016-688: The Denver Water Company also lead two of its founders, Walter Cheesman and David Moffat , to leave and found the Citizens' Water Company in 1889. This new corporation began purchasing agricultural land and its senior water rights and building works far upstream of the city at the entrance to the Platte Canyon in Jefferson County. A drought in 1890 reduced the flow in the Platte and Citizen's responded with new infrastructure projects for storage including
2100-618: The Public Works Administration (PWA) in October of 1933. The Federal Government agreed to donate one million dollars to the project and loan the city the remaining 2.5 million for the project, to be repaid as a lease through city water rates for the next thirty years. On 19 June 1936 water began flowing from the west east through the completed water tunnel. The second part of the project, the Moffat Tunnel Extension Unit,
2184-607: The Two Forks Dam, which would have created a reservoir flooding the entire section from the North Fork confluence to the town of Deckers. In 1990, the US EPA vetoed the permit, calling the project an "environmental catastrophe." From the confluence, the river flows towards Denver and enters Strontia Springs Reservoir. Below Strontia Springs, the South Platte runs through Waterton Canyon before entering Chatfield Reservoir. Chatfield marks
2268-450: The agency would continue to supply its present customers, to engage with suburban water agencies, but that Denver would no longer take a role in developing "major new water supplies for the entire metro area". The veto did not require Denver Water to change its policies or operating practices, but the agency chose to reexamine how it did business. The new manager appointed to lead this change was Hamlet "Chips" Barry III. In Barry's view it
2352-420: The botanical meaning of drought combined with landscape. Though conservation campaigns had long been a part of Denver Water's operations, it gained greater emphasis in the 1990s. The agency hired Sukle Advertising to create humorous ads that would attract more attention to the cause with slogans like, "Instead of a Dishwasher, Get a Dog." More effort was put into promoting xeriscaping, and in 1996 it published
2436-500: The city. Though even more ambitious projects were still being planned, in the 1950s officials at Denver Water began to think about limits to what was feasible for the agency to provide. The mechanism they decided upon was to announce a geographic limit to the area where they would contract to provide water. In August 1951 this "blue line" went into effect. Inside the line Denver Water would continue to sign year to year contracts to provide water, but it also would not guarantee supply as it
2520-659: The company blamed low water in the river. Seeing an opening for competition, businessman James Archer formed the Denver City Water Company in November 1870. The company built a system of pipes fed by a pumping station built near the mouth of Cherry Creek where it empties into the South Platte River. With two pumps built by Holly Manufacturing , this first pumping station was capable of providing 2.5 million US gallons (9,500,000 L) of water each day. Because
2604-405: The company's assets in 1907 and their March 1909 report valued it at $ 14.4 million. Both the city and the company rejected this independent valuation. Many rounds of offers, rejections, and litigation followed over the next nine years and Moffat died in 1911. The final valuation of the system was created by attorney W.J. Chinn. This valuation was disputed by the company which took its case all
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2688-550: The confluence of the north and south forks of the South Platte River . A dam had long been contemplated at this site, with the Denver Union Water Company studying the site as early as 1905. In 1965 the location was called, "a perfect dam site," by George Cranmer, Denver's former city manager of public works. The Bureau's plan was to build and operate the dam for the purposes of flood control, electricity generation, and to provide water to both Denver and Aurora . In part
2772-645: The dam be filled. In addition the environmental community believed that had not fully explored alternatives or fulfilled the requirements for conservation and metering required under the agreement to build the Foothills Water Treatment Plant. From 1974 to 1982 the per capita water use in the Denver Water's service area did not change significantly, averaging 188 US gallons (712 L) for each person each day. Much of this water went to outdoor landscaping. For example, in 1980–1987 42% of all water use in Denver's service area went to watering lawns. As
2856-417: The dam were cut nearby. Construction of the dam was finished in 1905. At 221 feet in height it was then the tallest dam in the world, a status it would hold for the next seven years. Moffat had continued to be a major force behind Denver Union Water, but his project to build the Denver and Salt Lake Railway pressed for more funds and he began to try to sell the company to the city. Denver was interested but
2940-519: The district and worked out a deal to provide more financing in exchange for a lease that could be later converted into permanent ownership of 40% of the water. In 1994 Barry also met with irrigators from the Grand Junction, Colorado area to address their concerns over the saltier water that would be released from Wolford. In the 1990s Denver Water began to experience increasing problems relating to forest health. Increased temperatures and drought hurt
3024-526: The drier parts of the year plans were made to build a dam and reservoir in the Platte Canyon. The location selected by the company, unlike San Francisco's O'Shaughnessy Dam or the Los Angeles Aqueduct , was neither a beloved natural wonder or settled by farmers so there was no controversy surrounding its construction. The company applied for the needed permissions in 1894 and construction started in
3108-411: The early 20th century. While private companies were the rule, concerns regarding the stability and cost of supply were growing. In 1874 the territorial legislature amended the Denver city charter allowing it to, "own water works of any description." This enabled the city to purchase Smith's City Ditch in 1882 to continue providing irrigation water to the city's lawns and trees. Internal squabbling at
3192-614: The eastern flank of the Rocky Mountains in Colorado, much of the populated region known as the Colorado Front Range and Eastern Plains , and a portion of southeastern Wyoming in the vicinity of the city of Cheyenne . It joins the North Platte River in western Nebraska to form the Platte, which then flows across Nebraska to the Missouri . The river serves as the principal source of water for eastern Colorado. In its valley along
3276-617: The foothills in Colorado, it has permitted agriculture in an area of the Colorado Piedmont and Great Plains that is otherwise arid. The river is formed in Park County, Colorado , southwest of Denver in the South Park grassland basin by the confluence of the South Fork and Middle Fork , about 15 mi (24 km) southeast of Fairplay . Both forks rise along the eastern flank of
3360-635: The health of the forests in the watersheds and around the reservoirs. The weakened trees succumbed to insects and disease, and then to fire. In 1996 the Buffalo Creek fire burned above the Strontia Springs Reservoir and in 2002 the Hayman Fire burned an enormous area in the South Platte River basin and reached the edge of Cheesman Reservoir. Without the trees and vegetation to protect the landscape ash, soil, and debris were carried downstream into
3444-494: The introduction of higher rates for customers using larger amounts of water which started in 1990. Part of what ultimately doomed Two Forks was the 1977 Foothills Settlement Decree with the EPA that required a program of water conservation. As part of these efforts, Nancy Leavitt, a secretary working for Denver Water coined the word xeriscape in 1981 from the Greek xeros meaning dry and also
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3528-554: The lake with rainbow trout , brook trout, cutbow, cutthroat trout , brown trout, and splake . In 2011, engineers began lowering the water level by two feet due to excess seepage. The dam has leaked since its construction, requiring it to operate under state restrictions. Beginning in May 2013, Antero reservoir was planned to have been drained because of drought conditions. It was not drained because of substantial snowfall in April 2013. In 2013,
3612-583: The largest storage facility in the system with a capacity of 97,779 acre⋅ft (120,609,000 m ). To expand beyond just the water provided by the South Platte River the pioneer bore of the Moffat Tunnel was eyed to be used as a transmountain water diversion from the Fraser River . Denver, however, was near bankruptcy in the 1930s due to the Great Depression. To fund the project the city applied to
3696-559: The legal questions around prior appropriation of the Blue River as a tributary of the Colorado River , but even before they were settled a ground breaking ceremony was held for the tunnel on 24 June 1946. Denver did succeed in gaining a right to Blue River water in 1952, but only half as much as it had initially claimed and with a priority dated to the formal start of tunnel work in 1946. In 1955 bonds for $ 75 million dollars to construct
3780-500: The location and altitude. This makes for exceptionally large, fast growing fish. Antero Reservoir is owned by Denver Water and overseen by Colorado Parks and Wildlife. Because it is not a state park, there are no fees for entry. Fishing is year-round, with ice fishing in the winter. A valid fishing license is required. Elevation: 8,944 feet (2,726 m), Capacity: 20,000 acre⋅ft (25,000,000 m), Surface area: 2,500 acres (1,000 ha). Denver Water Denver Water
3864-605: The mountains to the west in a canyon that was the cradle of the Pike's Peak Gold Rush . North of Denver, it flows through the agricultural heartland of the Piedmont (a shale region that was formed through erosion by the ancestor of the river following the creation of the Rockies). It flows directly past the communities of Brighton and Fort Lupton , and is joined in succession by Saint Vrain Creek ,
3948-467: The new reservoir and treatment plant were completed by the summer of 1983. The final form of the Two Forks Dam project was created as an agreement between Denver Water and the suburban water providers finalized in July 1982. The Metropolitan Water Development Agreement apportioned the costs and benefits of the project with 20% being supported by Denver and the remainder by suburban providers. The plan called for
4032-607: The northern system through the Moffat Tunnel. To store the water Gross Reservoir was constructed in Boulder County . The dam was dedicated 2 August 1955 in 1955 and at the time was not a controversial project. As part of this project the Williams Fork Reservoir was also expanded to its present size and had a generating plant added in 1959. As soon as these projects were complete Denver Water once again started campaigning for additional projects to plan for future growth of
4116-807: The northern system. Denver Water saw value in having more storage in this part of the system to insure against the possibility of a wildfire reducing the water available in the southern system. The project began in 2003 with application for the permits necessary to raise the height of the dam. The permitting and planning process took fourteen years, with Denver Water receiving permission from the Federal Government in 2017. However, lawsuits between Denver Water and environmental groups and Boulder County continued for years. Boulder finally settled with Denver in 2021, getting and additional $ 12.5 million in funds for reducing environmental and residential impacts. Though county commissioners only accepted reluctantly as their goal
4200-634: The period when the Roberts Tunnel and related works were going forward, Denver Water also undertook a project to be able to directly use the water from the earlier Gumlick tunnel. The Vasquez Tunnel, completed in 1958, moves water diverted from the West Slope into Clear Creek back to the West Slope in the Frazer River by way of Vasquez Creek. This allows water from the Williams Fork River to be fed into
4284-410: The plan was prompted by the 1965 flood of the South Platte River in Denver. The water needed for this project would come from the South Platte River itself. However, nothing came of this proposal. The Denver Water board started to put the pieces in place for its own project in 1972. They proposed a much larger water treatment plant and the Strontia Springs Reservoir to settle water for it. The capacity of
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#17328915003754368-412: The plant would eventually be provided by the Two Forks Dam and it would be provided to Denver and its suburban communities, but the required bond issue was rejected by city voters as too expensive and too environmentally damaging. The next year Denver Water went ahead with a scaled down version of Foothills Water Treatment Plant and the Strontia Springs Reservoir in a way that would fit with completion of
4452-408: The project "financial suicide", presenting arguments that the $ 440 million cost underestimated a project that would probably end up costing $ 4.4 billion. On 29 August 1989 Lee DeHihns, the regional administrator of the EPA, released his report reviewing the project. It found that the adverse effects would be unacceptable and that the project was partly or entirely unnecessary. After public comment about
4536-412: The project at a later date. The smaller 125 million US gal (470 million L) per day capacity and lower cost were acceptable to voters, particularly after two consecutive summers where the existing system was near its capacity. However, environmentalists continued to be strongly opposed to new projects and were quite suspicious that Strontia Springs could also serve as an afterbay for
4620-448: The project were issued by Denver and after the engineering plans for the reservoir were complete clearing the land started 22 April 1960. The tunnel was completed in May of 1962 and the Dillon Reservoir was completed in July of 1963. Lawsuits to prevent the completion or filling of the dam continued past 3 September 1963 when the gates of the dam were closed to begin filling the lake, and were finally settled out of court in 1964. During
4704-570: The public declarations of a changed organization were met with skepticism by other agencies and interest groups as it still had massive clout due to its very senior water rights and massive infrastructure for moving it around the state. The narrative of change in response to the veto of Two Forks is complicated by reality that Denver Water was already changing before the veto. In the 1920s there were already initiatives to encourage users to not waste water. In 1957 all new taps were required to be metered and by 1992 all homes had them installed. This allowed
4788-463: The report the head of the EPA, William K. Reilly , announced the agency's veto of the project on 23 November 1990. Though it was not a public position of his administration, President George H. W. Bush backed this decision as part of his care for the environment. Though suburban water districts filed suit to challenge the veto in 1991, they were unsuccessful. The Two Forks Project was over after costing more than $ 40 million. On 25 April 1992 an op-ed
4872-601: The reservoir was the first dam on the South Platte River near the river's origin. The next dam is Spinney Mountain Reservoir. At capacity, Spinney Mountain covers 2,500 acres (10 km ). A bottom-release dam, Spinney releases to the east of the inlet. Two miles below Spinney Mountain Reservoir, the river enters Eleven Mile Reservoir, with a capacity of 97,000 acre-feet (120,000,000 m ). The Eleven Mile Reservoir Dam drains into Eleven Mile Canyon, which runs through Forest Service land. Three former Colorado towns, Howbert, Idlewild, and Freshwater Station, were submerged under
4956-399: The reservoir when it was built. From Eleven Mile Canyon , the South Platte runs northeast to Cheesman Reservoir , named for Denver water pioneer Walter S. Cheesman . At its completion in 1905, the dam was the world's tallest gravity dam, at 221 ft (67 m) above the streambed. The reservoir and related facilities were purchased in November 1918 by the Denver Water Board. Cheesman
5040-424: The reservoirs. To address this, Denver Water began replanting mountainsides with drought-resistant trees in order to better maintain its waterways in 2010. The fires in the South Platte River watershed pushed Denver Water to consider plans for expansion, this time to make the water system more resistant to disasters. During the Two Forks conflict environmental groups had suggested the expansion of Gross Reservoir in
5124-420: The river was seasonal north of Fort Morgan to its confluence with the North Platte. In the 1800s the river would disappear in July, August, and September due to low flows and a sandy river bottom. By 1910 the increase in agriculture caused the river to reach the border of Colorado and Wyoming due to return flows and dams holding back water later in the year. Increasing diversions from the upper Colorado River in
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#17328915003755208-505: The sale official were signed at a midnight meeting, 1 November 1918 by company president Edwin S. Kassler. The city paid $ 13,923,576 to the shareholders for the assets of the company with $ 424 left over from its bond issue. The population of the city was an estimated 257,000 and so the new agency was immediately faced with the need for more water for the city. Denver Water acquired the Antero Reservoir in Park County, Colorado and Highline Canal for $ 450,000 in 1924. The need for water
5292-405: The seventh and final dam on the South Platte until it merges with the North Platte. The South Platte River is a gold medal western trout river on the eastern slope of Colorado, meaning it produces at least 12 trout of greater than 14 inches in length or greater per acre in areas accessible to the public. The river is well known for its wild trophy population of brown and rainbow trout . As
5376-554: The source upstream on the Platte River. By 1867 the City Ditch had been completed by the company and was delivering water to what is now the Capitol Hill neighborhood . The ditch delivered water to Smith Lake in what became Washington Park . Initially the work was done by hand, but an oxen powered rotary canal builder and railroad excavator was employed later in the construction. The construction of irrigation systems rapidly transformed Denver and surrounding areas. By 1865 visitors like Albert Richardson reported that Colorado agriculture
5460-472: The spring of 1899. The construction on the dam was almost complete when spring floods came in 1900. On May 3 the earth fill dam was overtopped and swept away. Work almost immediately began on an improved hybrid arch-gravity design for Cheesman Dam . The second dam was also constructed of masonry where the first had been an earth fill design faced with concrete and steel. The large granite blocks, some weighing as much as 11 short tons (10 t), used to build
5544-413: The surrounding suburbs of Denver in the combined service area (CSA). In 2024 this area had an approximate population of 1.5 million people. The sources of Denver's water supply are split almost evenly with half coming from west of the Continental Divide and the Colorado River system and half from tributaries of the South Platte River . In a year without water shortages or other issues around 20% of
5628-401: The systemwide environmental-impact statement continued the costs continued to mount, and with the bill approaching $ 30 million in 1986 the Denver Water board filed for the permits to build Two Forks. The Army Corps of Engineers approved the permits, but the Environmental Protection Agency raised objections. In order to persuade voters in the Denver area the Environmental Defense Fund called
5712-422: The total comes from the Fraser River and Williams Fork in Grand County . Another 30% comes from the Blue River , also on the West Slope and the primary water source in the east is the South Platte River itself, with smaller amounts also being sourced from South Boulder Creek , Ralston Creek , and Bear Creek. There are 17 reservoirs, lakes, or storage complexes that are owned by Denver Water or where it has
5796-449: The total value of the system to be $ 3.75 million and the city council offered $ 4.7 through a bond issued approved by the voters 29 November 1899. This election question was ruled invalid on technical grounds in 1901, but it made the city unable to proceed with either negotiations or construction of its own system. Negotiations began again as the end of the company's franchise approached in 1910. Independent engineers were hired to appraise
5880-493: The tunnel project the Williams Fork Reservoir was built to store water for downstream calls. It was completed in 1938. Plans for an even more ambitious diversion (eventually named the Roberts Tunnel) were first filed with the Colorado State Engineer in 1927, though it would not start diverting water until 1964. During the Great Depression the land and water rights in and around Dillon, Colorado were purchased by Denver Water for much reduced prices. The biggest obstacles were
5964-439: The way to the US Supreme Court, where the valuation was upheld. This finally cleared the way for the sale. In 1918, Denver residents voted to form a five-member Board of Water Commissioners and buy the Denver Union Water Company's water system for $ 14 million, creating Denver Water. From that time on, Denver Water planned and developed a system to meet the needs of the people of Denver and the surrounding areas. The papers making
6048-426: The well supplying the pumping station was in the middle of the city, the water became contaminated by the growing population. Between 1879 and 1896 there were at least six major outbreaks of water borne typhoid fever . In response the company built a filtration plant using sand beds in 1889. Together with the 1897 typhoid vaccine and introduction of water chlorination outbreaks of the disease in Denver became rare in
6132-423: Was a few tufts of short grass, dried and shriveled by the heat." The first residents of the Denver area drank water directly from nearby creeks and rivers, using buckets to transport it to residences and businesses. This was not adequate for a settlement of any size so prior to the creation of Denver Water more than a dozen private water companies were founded in Denver, most of them short lived. The first of these
6216-469: Was completed in 1932. Planning for the project had begun even before the droughts, with the site where the South Fork of South Platte River enters Eleven Mile Canyon being surveyed in 1926. Like Cheesman Reservoir it is a hybrid arch-gravity dam with much of the force of the water being supported by the canyon walls rather than by the dam alone. With the completion of the new reservoir, it replaced Cheesman as
6300-437: Was especially pressing during the droughts of the 1930s in Colorado. In the fall of 1931 the reservoirs were completely drained due to low water flows. On 26 March 1934 a dust storm, part of the larger Dust Bowl , swept into Denver. Conservation drives were made, but at the same time plans were made to divert water from western Colorado. The next project was the building of Eleven Mile Canyon Reservoir which began in 1930 and
6384-498: Was ordered by the viceroy of New Spain to search the Tierra Incognita for a French incursion into New Mexico. The South Platte also served as a vital water source in Colorado. Long before the city of Denver was created, many travelers came to the South Platte River to escape the arid Great Plains. These people could survive the heat, but not without the vital water source that the South Platte gave them. Buckets and wells sufficed as
6468-459: Was primarily a Denver city agency. This was a source of disagreement between Denver and the suburbs and also limited Denver Water's ability to sell water at market rates to raise additional revenue until it was repealed in 1960. Then the city charter was also amended to allow water contracts longer than one year. In 1966 the Bureau of Reclamation proposed the construction of a large new dam just below
6552-578: Was published in The Denver Post by the President of the Denver Water Board, Hubert Farbes. The opening line was, "A NEW path for the Denver Water Board is emerging from the fog of confusion that cloaks metro water issues in the aftermath of the U.S. Environmental Protection Agency's veto of the Two Forks project." He went on to say that Denver would not abandon any water rights that it believed to be valid, that
6636-471: Was quite successful. Ornamental lawns, gardens, and trees were planted in the 1860s and 1870s with visitors reporting on their beauty and success in contrast to earlier narratives of the dry and desolate appearance of the city. Though successful, the Platte River Company also frequently fell short of expected water deliveries. Critics thought the company had not correctly engineered its system while
6720-587: Was started in 1935 and completed in 1937. This second tunnel takes the water from the exit of the first tunnel out of Big Dry Creek and into the Ralston Creek watershed for delivery to Denver. The second transmountain diversion was completed under Jones Pass in 1939 to divert water from the Williams Fork . Today it is known as the Gumlick Tunnel and it continues to direct its water into Clear Creek. As part
6804-695: Was the Auraria and Cherry Creek Water Company. It was founded in 1859 soon after settlement began, but it made no progress in building any ditches to provide water. The second was the Capitol Hydraulic Company, which was granted a charter by the Kansas Territory legislature in 1860 and began construction the same year. Progress was slow and in 1865 businessman John W. Smith founded the Platte Water Company which bought out Capitol Hydraulic and moved
6888-410: Was the first reservoir of Denver's mountain storage facilities, and has been designated a National Historic Civil Engineering Landmark. Cheesman Reservoir feeds Cheesman Canyon. Six miles below Cheesman Reservoir is the town of Deckers; there, the river bends north for about 17 mi (27 km) to the confluence with the North Fork of the South Platte. In the late 1980s, a proposal was put forth for
6972-546: Was time for Denver Water "quit fighting with everybody and make some friends." One of the first changes was for Denver Water to create a new, larger division to manage communication with the public. Prior to 1991 the agency had thought it a waste to spend money on public relations with the citizens or to persuade public officials. Almost all of the alternatives suggested by the EPA and environmental groups were eventually implemented by Denver Water, including environmental mitigation, conservation, and water recycling. Though initially
7056-465: Was to stop the expansion entirely. Lead pipes were used to hook homes to water mains until the World War II era. Although lead pipes were banned in 1971, Denver Water officials estimated in 2021 that there are between 64,000 and 84,000 homes still being serviced with lead pipes. A $ 500 million program to replace them is proceeding at the rate of about 5,000 homes a year. Whether a particular address has
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