Arkansas Valley Conduit update

October 22, 2014
Preferred route for the Arkansas Valley Conduit via Reclamation

Preferred route for the Arkansas Valley Conduit via Reclamation

From The Pueblo Chieftain (Chris Woodka):

A regional water conservation plan already is opening doors for participants in the Arkansas Valley Conduit. The Southeastern Colorado Water Conservancy District has worked with the communities to develop strategies to improve water systems in advance of the conduit’s construction. Benefits include measuring how water is used, plugging leaks and managing pressure.

“The need is the infrastructure, and that’s what we’re trying to focus on,” said Jean Van Pelt, project coordinator for the Southeastern district. “When the conduit is completed, we don’t want it to connect to aging systems with leaking pipes.”

The conduit will take clean drinking water 130 miles from Pueblo Dam to Lamar and Eads. Along the way, 40 small communities are expected to tap into the line to bring water to 50,000 people. The $400 million project is at least a decade away from completion.

The district also is seeking a master contract for storage in Lake Pueblo for conduit participants and other water users in the Southeastern district.

One of the requirements placed on the communities by the Bureau of Reclamation is to ensure that water is not wasted, so conservation plans are needed.

“We went out and interviewed all of the conduit participants and we are in the process of integrating the master contract participants as well,” Van Pelt said.

Large utilities have more resources to employ strategies like rate structures, leak detection, metering, system audits and consumer education.

The Southeastern district also offers a tool box on its website where communities can pick and choose from ideas for reducing water waste in their systems.

The regional conservation plan also gives a leg up to private water companies seeking grants to improve their water supply, which require both conservation plans and governmental structure to administer the grant.

“The plan needs to be in place,” Van Pelt said.

The conservation plan and tool box have been under development since 2011 at a cost of $50,000-$60,000 per year using grants from Reclamation and the Colorado Water Conservation Board.

More Arkansas Valley Conduit coverage here.


Lower Fryingpan River “relatively healthy” — Roaring Fork Conservancy

October 16, 2014

Didymosphenia

Didymosphenia


From The Aspen Times (Scott Condon):

The lower Fryingpan River ecosystem is relatively healthy even though an algae with the notorious nickname “rock snot” has taken hold, according to preliminary results of a study commissioned by the Roaring Fork Conservancy.

Muck from the stream bottom was scooped up from three sites last fall to get a count of macroinvertebrates — bugs that can’t leave the river. An analysis over the winter showed the numbers were in line with results from a similar study in 2003, according to Heather Tattersall Lewin, watershed action director for the nonprofit organization.

“That was good for us to see,” she told the Basalt Town Council on Tuesday night in a briefing about the preliminary results. Macroinvertebrates provide food for the fish in the river.

Populations of the American dipper bird, an important indicator species for river health, were also promising, according to Tattersall Lewin. A consultant found 28 mating pairs and observed that 23 of them were successful in producing young.

Constant monitoring of water temperatures since October 2013 also didn’t produce any red flags…

The Roaring Fork Conservancy’s study didn’t produce all good news. Rock snot, formally known as Didymosphenia geminate and often called Didymo, appears here to stay.

The conservancy hired students from Colorado Mountain College in Leadville to monitor the river periodically for rock snot. They searched for the specific algae in the spring and after peak runoff at 20 sites. They found the coverage was in fewer places after runoff and that it wasn’t as dense in places where it was still found, Tattersall Lewin said.

The CMC students will search for the algae again this weekend to see if it surged back after the lower flows of summer.

Tattersall Lewin said rock snot isn’t your typical, slippery algae. It grows in clumps in a consistency she compared to coarse toilet paper. It appears to collect more easily on the flat, angular rocks of the Fryingpan than the rounded cobble of the Roaring Fork River, she said.

The effects of rock snot on the ecosystem aren’t certain. International studies show Didymo is proliferating even in the healthiest streams, according to Tattersall Lewin. Studies are examining whether the growth is related to climate change.

Rick Lofaro, the conservancy’s executive director, said two management policies by the reclamation bureau, which controls water flows from the dam, appear capable of reducing rock snot. First, maintaining a higher minimum flow during winters and dry times could avoid the buildup. Second, high, sustained water releases during spring runoff would help flush the river and benefit it in numerous ways. The rock snot would disintegrate.

More Fryingpan River watershed coverage here.


Twin Lakes Reservoir and Canal Co, Aspen and the #ColoradoRiver District reach deal

October 15, 2014

From the Aspen Daily News (Brent Gardner-Smith):

The city of Aspen and Front Range water interests have reached a compromise 20 years in the making that allows more water to be sent east when the spring runoff is plentiful, in exchange for bolstering flows when the Roaring Fork River is running low in the fall. The deal is between the Twin Lakes Reservoir and Canal Co., which operates transbasin diversion tunnels underneath Independence Pass, and the city of Aspen and the Colorado River District, which works to protect water rights on the Western Slope.

The deal, which has its roots in a 1994 water court application from Twin Lakes that sought to increase diversions during the runoff in high-snowpack years. It will leave 40 acre-feet of water in Grizzly Reservoir when Twin Lakes exercises its rights under the 1994 proposal. That water will be stored in the 500-acre-foot reservoir and released into the Roaring Fork for about three weeks in late summer, when seasonal flows are at their lowest. The water must be called for and released in the same year it was stored.

Grizzly Reservoir, located about 8 miles up Lincoln Creek Road near the Continental Divide, is a component of the transbasin-diversion system. A tunnel underneath the reservoir channels water underneath the mountain to the south fork of Lake Creek in the Arkansas River basin, on the other side of the pass.

Additionally, under the deal, the River District will have the right to store 200 acre-feet of water in Grizzly Reservoir and can call for up to 150 acre feet of that water in a year. Importantly, that 200 acre-feet can be stored long-term in the reservoir until it is called for by the River District, which manages water rights across the Western Slope.

Another 600 acre-feet will be provided to the River District for seasonal storage in Twin Lakes Reservoir, also on the east side of Independence Pass. The district will then trade and exchange that water with various entities, which could lead to more water staying on the Western Slope that would otherwise be diverted through other transbasin tunnels.

Twin Lakes diverts an average of 46,000 acre-feet a year from the headwaters of the Roaring Fork and sends it to Colorado Springs and other Front Range cities. The city of Colorado Springs owns 55 percent of the shares in the Twin Lakes Reservoir and Canal Co., entities in Pueblo own 23 percent, entities in Pueblo West own 12 percent, and Aurora owns 5 percent.

Aspen and the River District intend to cooperatively use the stored water in Grizzly Reservoir to boost late-summer flows in the Roaring Fork as it winds through Aspen proper.

Water already flowing
The stretch of the Roaring Fork River below the Salvation Ditch on Stillwater Drive typically runs below environmentally sound flows each year for about eight weeks, according to city officials. And given that this spring saw a high run-off, the three parties to the agreement managed some water this year as if the deal was already signed.

“At the close of the current water year (which ended the last day of September), Twin Lakes started making releases of some of the water stored for the River District, followed by release of the 40 acre-feet, as directed by Aspen and the River District,” Phil Overeynder, a special projects engineer for the city, wrote in an Oct. 3 memo to city council. “These releases had the effect of increasing flows in the Roaring Fork through the Aspen reach by approximately 20 percent and will last for approximately a three-week period at the end of the lowest flow conditions of the year.”

Overeynder added that “both Aspen and the River District believe that this agreement, while not perfect, is of real and meaningful benefit to the Roaring Fork.”

Aspen City Council approved the agreement on its consent calendar during a regular council meeting on Monday. The agreement is on the River District’s Tuesday meeting agenda, and Twin Lakes approved it last month.

The deal still needs to be accepted by Pitkin County and the Salvation Ditch Co. in order to satisfy all of the details of the water court’s 2001 approval of the 1994 water rights application.

Junior and senior rights
In addition to its junior 1994 water right, Twin Lakes also holds a senior 1936 water right that allows it to divert up to 68,000 acre-feet in a single year and up to 570,000 acre-feet in a 10-year period.

Originally, the water diverted by Twin Lakes was used to grow sugar beets to make sugar, but it is now primarily used to meet the needs of people living on the Front Range.

The 1936 water right still has some lingering restrictions in high-water years, according to Kevin Lusk, an engineer with Colorado Springs Utilities who serves as the president of the board of the private Twin Lakes Reservoir and Canal Co. Under its 1936 right, when there is plenty of water in the Arkansas River and the Twin Lakes Reservoir is full, Twin Lakes is not allowed to divert water, even though it is physically there to divert, Lusk explained. So in 1994 it filed in water court for a new water right without the same restrictions so it could divert more water to the east. It was dubbed the “Twin Junior,” water right.

The city of Aspen and the River District objected in court to the “Twin Junior” and the agreement approved Monday is a long-delayed outcome of the case.

Aspen claimed that if Twin Lakes diverted more water in big-water years, the Roaring Fork wouldn’t enjoy the benefits of the high water, including flooding the Stillwater section and replenishing groundwater supplies. That process, the city argued, helps the river in dry times.

“We don’t necessarily agree with the theory behind it,” Lusk said of the city’s claim, but added that Twin Lakes agreed to the deal as part of settlement negotiations.

And since 2014 turned out to be a high-water year, Twin Lakes exercised its right to divert water under its 1994 Twin Junior right, and worked cooperatively with Aspen and the River District to release 40-acre feet of “mitigation water” as described in the pending deal.

The new agreement between the city, Twin Lakes and the River District is in addition to another working arrangement between Twin Lakes and Aspen related to the Fryingpan-Arkansas diversion project, which diverts water from the headwaters of the Fryingpan River.

That agreement provides 3,000 acre-feet of water each year to be released by Twin Lakes into the main stem of the Roaring Fork beneath a dam near Lost Man Campground, normally at a rate of 3 to 4 cubic feet per second.

More Twin Lakes coverage here.


SECWCD board meeting recap: North outlet works hydropower in 2018?

September 22, 2014
Pueblo dam releases

Pueblo dam releases

From The Pueblo Chieftain (Chris Woodka):

The Pueblo Dam could start generating hydropower as soon as 2018. The Southeastern Colorado Water Conservancy District got an update Thursday on its proposal to construct hydropower on the new north outlet works from project manager Kevin Meador.

“We’re a couple of years from bidding the project,” Meador said. “I’m feeling optimistic at this point.”

The district, in partnership with Colorado Springs Utilities and the Pueblo Board of Water Works, is working on a lease of power privilege proposal with the federal Bureau of Reclamation. It should be finalized in February.

An unknown in the project is whether Black Hills Energy, the primary power supplier for the area, will enter a power purchase agreement for the hydropower.

“That could go very smoothly or take a while,” Meador said.

If a Black Hills agreement is not reached, another provider could be approached, including Colorado Springs Utilities.

Utilities constructed the new north outlet works as part of the Southern Delivery System. It will be owned by Reclamation as soon as a contract checklist is completed, said Roy Vaughan, Fryingpan-Arkansas Project manager for Reclamation. The hydropower plant would generate 7 megawatts of electric power and cost about $20 million. A loan will be sought in 2015 through the Colorado Water Conservation Board to finance the project. Construction would begin later next year, Meador said.

“Generation could begin in the early spring of 2018,” he said.

More Southeastern Colorado Water Conservancy District coverage here.


Work begins on Arkansas Valley Conduit route

September 15, 2014

Preferred route for the Arkansas Valley Conduit via Reclamation

Preferred route for the Arkansas Valley Conduit via Reclamation


From The Pueblo Chieftain (Chris Woodka):

A $939,000 contract for utility location and land rights acquisition support for the Arkansas Valley Conduit has been awarded to MWH Americas by the Bureau of Reclamation. The contract is another step toward the eventual construction of the conduit, which will bring clean drinking water to 50,000 people in 40 communities east of Pueblo.

Work begins this month and is expected to take one year to complete.

The 130-mile-long pipeline will be built from Pueblo Dam to Lamar, with spurs to communities along the way, including St. Charles Mesa, Avondale, Crowley County, Otero County, Bent County, Lamar and Eads in Kiowa County.

“The objective of this contract is to provide Reclamation with utility locations, current ownership information, legal descriptions and encumbrances affecting the parcels along the route,” said Jacklynn Gould, Eastern Colorado Area Manager for Reclamation.

The contractor also will prepare a preliminary land acquisition plan and update GIS data.

The Arkansas Valley Conduit is part of the Fryingpan-Arkansas Project, authorized in 1962. It was never built because of the expense, now estimated at $400 million. A 2009 federal law authorized revenues from Reclamation contracts as a repayment source for the conduit, however.

The Southeastern Colorado Water Conservancy District is the local sponsor of the project.

More Arkansas Valley Conduit coverage here and here.


Fryingpan-Arkansas Project update: “We can’t dry up the creeks” — Kara Lamb #ColoradoRiver

September 1, 2014
Fryingpan-Arkansas Project via the Southeastern Colorado Water Conservancy District

Fryingpan-Arkansas Project via the Southeastern Colorado Water Conservancy District

From The Aspen Times (Scott Condon):

The Fryingpan-Arkansas Project diverted about 80,200 acre-feet of water under the Continental Divide to the Front Range this year, according to Kara Lamb, spokeswoman for the U.S. Bureau of Reclamation, which operates the system.

That is about 67 percent higher than the average diversion of 48,000 acre-feet over the 52-year lifetime of the system, she said. More water was diverted this year because of a higher-than-average snowpack and lots of rain starting in mid-July, according to Lamb.

Nevertheless, river and stream water levels have dropped to the point where diversions must be stopped to maintain minimum stream flows.

“This week and next week, we are shutting down the diversion system,” she said Friday. “We can’t dry up the creeks.”

Ruedi Reservoir is about 93 percent full right now. That’s slightly above average, according to the Reclamation Bureau’s records. The amount of water currently being released from Ruedi Dam is 267 cubic feet per second, about average for Sept. 1.

Water is still being diverted from the headwaters of the Roaring Fork River east of Aspen. The Independence Pass Transmountain Diversion System has diverted an estimated 59,400 acre-feet thus far this water year, which started in October 2013, according to water data on the Colorado Division of Water Resources website. Kevin Lusk, a water-supply engineer with Colorado Springs Utilities helped The Aspen Times interpret the data on the state’s website.

The average annual diversion over the past 79 years has been 42,000 acre-feet. This year’s diversion is already 17,400 acre-feet above average, or 41 percent higher.

The diversion system operated by the Twin Lakes Reservoir and Canal Co. taps a 45-square-mile area at the headwaters of the Roaring Fork River. The system diverts water from the Roaring Fork River near Lost Man Campground. In addition, it diverts some of the water in Lost Man Creek, Lincoln Creek, Brooklyn Creek, Tabor Creek, New York Creek and Grizzly Creek, according to a description on the website of Roaring Fork Conservancy, a Basalt-based nonprofit that monitors water quantity and quality issues.

The conservancy’s weekly watershed river report, released each Thursday, showed that Twin Lakes Tunnel was diverting water at a rate of 80 cubic feet per second on Aug. 28 from the Roaring Fork River headwaters. Meanwhile, the river was flowing at only 49 cfs in Aspen that same day.

The Roaring Fork River is dammed near Lost Man Campground. The river below the dam runs at a trickle. It’s replenished to some degree by various creeks before it reaches Aspen.

Without the diversion, the Roaring Fork River flow would be 129 cubic feet per second in Aspen, or about 2.5 times what it is running now. Superior water rights allow the Twin Lakes Reservoir and Canal Co. to divert an amount greater than the river flow.

More Fryingpan-Arkansas Project coverage here.


There are 44 transbasin diversions in Colorado that move water between river basins. Tour some with CFWE! #ColoradoRiver

August 26, 2014

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