Drought news: Summit County continues to acquire water rights

August 6, 2012

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Here’s a guest column (Summit Daily News) written by Karn Stiegelmeier and Gary Martinez detailing drought actions by Summit County. Here’s an excerpt:

The board of county commissioners works in the water arena in two major ways. First, to provide water locally to certain residential, agricultural and commercial customers and other projects that benefit the public generally such as the hospital development, environmental restoration and stream flow enhancement for environmental and recreational purposes.

The county has a long tradition of appropriating and acquiring water resources to meet the current and future needs of its citizens. It has built an extensive water rights and water storage portfolio and has adjudicated a countywide augmentation plan that provides a legal water supply for out of compliance or new residential wells and other water needs. County water and storage rights in various reservoirs can be used as a replacement source for water used locally when more senior rights must be made whole.

A majority ownership in the soon to be completed Old Dillon Reservoir will significantly add to the county’s water rights portfolio. These water rights have assisted agricultural and ranching activities in the Lower Blue River Valley, the construction of accessory dwelling units to address critical housing needs, residential development, stream flow releases during low flow periods, the ongoing Swan River restoration project and snow making that can be critical to local ski areas and our local economy. Summit County Environmental Health Department protects surface and subsurface water quality through monitoring, testing and inspection programs.

Secondly, the County Commissioners take a variety of measures to protect local water resources from further diversions outside the County. Approximately 30 percent of Summit’s native water is diverted east through the Continental Divide for use by Front Range water providers; Denver Water and Colorado Springs Utilities claimed and developed these water rights years ago. Summit County has been a leader in efforts to curtail the further exportation of water as well as efforts to address the impacts of these diversions. This has included years of litigation and negotiation with a variety of water interests throughout the state.

From The Greeley Tribune (Eric Brown):

Seven months into 2012, Greeley is still on pace for its hottest and driest year on record, according to figures provided by Wendy Ryan with the Colorado Climate Center, whose historical data goes back to 1968.

For the year, the average temperature through the end of July was 56.4 degrees in Greeley, 3.7 degrees above normal, and precipitation had amounted to just 4.77 inches — not even half of the 9.81 inches that, on average, falls on the city before Aug. 1.

The 1.63 inches of precipitation recorded during July was only 0.05 inches below normal for the month, but prior to July, Greeley had experienced its driest January, March and April on record, along with its second-driest June…

Along with the issues farmers and ranchers have faced, the hot and dry weather this year has forced municipal water officials to draw large amounts of water from reservoirs to supply residents trying to save their lawns.

Jon Monson, director of the city of Greeley’s Water and Sewer Department, said July water demand for the city is usually about 15 percent higher than it is in June, due to the increase in temperatures. However, he said this year, the water-demand increase from June to July was only about 5 percent, thanks to the rains that arrived last month.

Meanwhile, here’s a link to a photo gallery of xeriscape gardens from Apartment Therapy.


Old Dillon Reservoir expansion update: Reservoir will hold 286 acre-feet of water when project is completed

July 9, 2012

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From the Summit Daily News (Caddie Nath):

The $5 million resurrection of the Old Dillon Reservoir will allow each of the three local governments involved in the project to store, release and exchange their own water rights…

When it does fill, Silverthorne will own approximately 8 percent of the water, Dillon will take roughly 38 percent and Summit County government will have the remainder — slightly more than 53 percent. The three entities split the bill for the restoration and expansion project…

The water in the reservoir will complement the town of Silverthorne’s water rights. The county will use the reservoir to supplement environmental and other projects in the works, while the Dillon sees the facility as an alternate water source, to be tapped if something were happen to Straight Creek, the town’s primary water source…

Old Dillon Reservoir is fed by the Dillon Ditch, constructed at the same time as the reservoir to divert water from Salt Lick Gulch. Local entities will bypass some of the stream flow, allowing the water to continue downstream to where it sustains environmental features including beaver ponds and a wetlands area.

More Old Dillon Reservoir coverage here and here.


Old Dillon Reservoir enlargement update: Is a Golden Trout fishery in the future?

July 3, 2012

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From the Summit Business Journal (Bob Berwyn):

The enlargement has been in the works for years as a partnership among local water users and the U.S. Forest Service, which manages the public lands around the reservoir. When water starts flowing into the new impoundment, it will help bolster water supplies for the town of Dillon, which depends in large part on stream flows from Straight Creek, running down along I-70 from its source along the Continental Divide. The stream is vulnerable to pollution threats from I-70. During the 2002 drought, Straight Creek flowed at perilously low levels, sending Dillon officials scrambling to develop a backup water plan that included direct diversions from Dillon Reservoir, as well as water-sharing with Silverthorne.

Other local water users will also benefit, and some of the water could go toward helping boost streamflows in dry years. According to a county fact sheet, the water will be used to meet demands from new growth in Summit County and a variety of other purposes, potentially including ball fields and other recreational open space, wetlands restoration, new community facilities and augmentation of well water usage in the Blue River Basin…

For the long-term, Colorado Parks and Wildlife aquatic biologist Jon Ewert said that, since Old Dillon Reservoir presents a clean slate, he’s considering try to develop a golden trout fishery — the first in the state. Golden trout are native to a drainages in California like the Kern River. They look a bit like cutthroat trout but with more of a golden color…

Ewert said successful establishment of a golden trout fishery could give a little boost to Summit County’s fishing economy, drawing people from as far as Denver to try and catch a new species. Since golden trout aren’t native, they are subject to any special protections, and Ewert envisions a put-and-take fishery, enabling anglers to take their catch home for dinner.
Ewert said there are quite a few challenges associated with establishing the fishery, starting with getting the eggs from California, which isn’t a sure thing. The goldens mostly live in high mountain lakes and biologists have to hike in during spawning season to get the eggs, then pack them out.

More Old Dillon Reservoir coverage here and here.


Summit County commissioners okay Old Dillon Reservoir enlargement

March 10, 2010

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From the Summit County Voice (Bob Berwyn):

County commissioners Tuesday gave their go-ahead for the enlargement of Old Dillon Reservoir, a $7 million project that will give local water users some new options, with storage high in the Blue River Basin. The 62-acre-foot reservoir was built in 1936 and stored water for Dillon until the town was relocated when Dillon Reservoir was created by Denver Water. Under the proposed enlargement, formally approved by the U.S. Forest Service last week, Old Dillon Reservoir’s capacity would be upped to 286 acre feet…

County officials have estimated the construction and preliminary soft costs like planning and design will total about $7 million, but they’re hopeful that the economic climate will result in some favorable bids that would lower the total cost. The county will pay for about 53 percent of the project, with Silverthorne kicking in about 8 percent and Dillon paying for the rest. Dillon stands to benefit significantly from the project. The town currently depends on surface water from Straight Creek, which is vulnerable to pollution from I-70. During the 2002 drought, Straight Creek flows dropped to a point that had Dillon thinking about direct diversions from Dillon Reservoir. The water in Old Dillon Reservoir could also be used to enhance stream flows in the Snake and Lower blue under other scenarios.

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More coverage from the Summit Daily News (Julie Sutor):

The proposed expansion would enlarge Old Dillon Reservoir’s capacity from 62 acre-feet to 286 acre-feet by raising its north and south dams. The $7 million project would create new water-storage and water-supply capacity for the town of Dillon, the town of Silverthorne and unincorporated Summit County. All three entities project that demand for municipal water in their respective service areas will increase in coming years. Old Dillon Reservoir was originally constructed in 1936 as a water-supply source for Dillon. The 14-acre reservoir is fed by water diverted from Salt Lick Gulch, just to its north. Salt Lick Gulch is a tributary of the lower Blue River.

In 1963, Denver Water constructed the new Dillon Reservoir to supply drinking water to Denver, requiring the town of Dillon to relocate from its original location to its current one. Since the move, Dillon has been unable to use the water in Old Dillon Reservoir, but the town has maintained the reservoir and the water rights to it. In the spring of 2008, a culvert carrying water from Old Dillon Reservoir failed under Interstate-70′s westbound lanes, causing a portion of the highway to collapse. The culvert was replaced, but the Colorado Division of Water Resources ordered the Town of Dillon to drain the reservoir over concern for safety of its north dam. The reservoir is to remain drained until either the proposed expansion is conducted or the Town of Dillon reconstructs the north dam.

More Old Dillon Reservoir coverage here and more Old Dillon Reservoir coverage here.


Old Dillon Reservoir expansion update

November 11, 2009

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From the Summit Daily News (Bob Berwyn):

Completion of the environmental analysis is a huge step forward for the $6.4 million project. The agency will take public comment on the environmental analysis for 30 days. Local officials hope to begin construction next summer. Dillon, Silverthorne and Summit County will share the cost of the project, which, first and foremost, would help bolster Dillon’s water supplies. The town relies mainly on surface water from Straight Creek, a source that’s susceptible to pollution. The town also felt a pinch during the 2002 drought, when Straight Creek flows dropped to record low levels.

The proposed project includes seven elements:

— enlarging the existing reservoir from 62 acre-feet to 288 acre-feet (an acre-foot is 326,000 gallons, so the capacity would go from a little over 2 million gallons to about 10.5 million gallons);

— restoring the outlet from ODR to the south to the Blue River (now Dillon Reservoir);

— reconstructing the head gate on Salt Lick Gulch and piping the entire length of the Dillon Ditch to serve the enlarged reservoir and improving the siphon under I-70;

— rehabilitating the outlet to Salt Lick Gulch;

— temporary road access improvements;

— burying existing overhead utility lines around Old Dillon Reservor; and

— wetland creation.

About 20 acres of wetlands would be affected by the reservoir enlargement, but the impacts would be addressed by adding new wetland on the southwest shorelines of the reservoir. In the long run, there would no net impact to recreational uses in the area, according to Paul Semmer, land specialist with the Dillon Ranger District. The enlargement of the reservoir would actually decrease total diversions from the Salt Lick Gulch drainage from 573 acre feet to 450 acre feet. The reservoir and dams would permanently impact 10.1 acres of forest and meadow habitat in the project area, according to the draft study.

More Old Dillon Reservoir coverage here.


CWCB: Old Dillon reservoir upgrade chasing $1.5 million

June 30, 2009

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From the Summit Daily News (Caitlin Row):

Dillon’s town staff seeks to secure substantial funds from the Colorado Water Conservation Board for a project that will create water reserves for Dillon, Silverthorne and unincorporated Summit County. “We want to nail (the loan) down,” said Devin Granbery, Dillon’s town manager, noting that an emergency ordinance would put the financial agreement into effect right away. The town is moving quickly to access the loan because Granbery said he’s unsure if more money will be available for water projects in the near future.

While Dillon sought a loan to pay for 90 percent of its portion of the expansion, Silverthorne and the county plan to pay for the project with reserved internal funds. Dillon will pay the remainder of its costs through its water fund. In all, Dillon must pay $1.7 million. The total cost estimate for the expansion is $6.3 million, and it will be shared proportionately between the three entities. The project will include reservoir enlargement, associated improvements, wetlands mitigation and rehabilitation of outlets to the reservoir. The U.S. Forest Service is still reviewing the project’s permit application — the reservoir is located on Forest Service land — and project bids could go out later this year if it’s approved. Construction is slated for 2010.

More Coyote Gulch coverage here.


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