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More Colorado River Water Conservancy District coverage here.
The Colorado River District is working with partners on a new regional program to study agricultural conservation projects involving fallowing or deficit irrigation and is advocating the focus be larger than just Western Colorado agriculture, that Front Range agriculture and all municipal users also “share the pain.”
In discussing the subject at the July quarterly meeting of the Board of Directors, General Counsel Peter Fleming said that some degree of temporary fallowing and deficit irrigation may be required to manage the Colorado River Basin under a future dry scenario.
The River District would need to monitor closely and participate in pilot project proposals to ensure that West Slope agriculture and its related economies are best protected, he said.
General Manager Eric Kuhn said that as regional efforts focus on work in Colorado, they need to reach out more broadly than just Western Colorado agriculture. A successful program needs to explore methods to reduce Colorado River demands among all use sectors in the state: municipal, industrial, East Slope agriculture, as well as West Slope agriculture.
A program focused solely on West Slope agriculture will not be successful, he said.
More Colorado River Water Conservancy District coverage here.
From Steamboat Today (Tom Ross):
Steamboat Springs — Residents of the Yampa Valley, where the meadows are lush and snow still lingers on the peaks, easily could conclude that this is a year of water abundance. But in terms of the water produced by the entire Colorado River Basin, the summer of 2014 won’t be outstanding.
Eric Kuhn, of the Colorado River Water Conservation District, told an audience of about 50 state legislators, water managers and educators at the Sheraton Steamboat Thursday the abundance of snowmelt in the upper Colorado, Yampa and Green rivers early this summer isn’t indicative of the entire Colorado Basin.
“We have wet years, we have dry years but the bottom line for Lake Powell this year is that it’s going to be right about average,” Kuhn said…
“Currently, Lake Mead (below the Grand Canyon) and Lake Powell (just above the Grand Canyon) are 42 percent full,” Kuhn said. “Does that make us nervous? Yeah that makes us very nervous.”[...]
Water storage in Flaming Gorge Reservoir on the Green River just upstream from its Colorado stretch is expected to be 140 percent of average, and Blue Mesa Reservoir on the Gunnison River is expected to be 126 percent of average, Kuhn told his audience. But 25-mile-long Navajo Reservoir, straddling the Colorado and New Mexico state line and capturing flows from the San Juan River, will be just about 67 percent of average. It’s the southernmost reaches of the upper basin that are below par.
Kuhn and his audience had gathered in Steamboat Springs Thursday to begin a tour of the Yampa River Basin sponsored by the nonprofit Colorado Foundation for Water Education. CFWE program manager Kristin Maharg told the gathering that the purpose of the tour is to explore the compatibility of consumptive water uses (agriculture and power plants) and non-consumptive uses (recreation and habitat conservation) along the length of the Yampa in Routt and Moffat counties.
“The Yampa is no longer a valley too far, and we want to look at some of the demands this basin is facing,” Maharg said. “This is a very cooperative basin in terms of resource management and conservation.”
Thursday’s audience included more than a half dozen state legislators, members of their technical support staff, including an economist and an attorney who work on water bills, a Pitkin County commissioner and an Eagle County water district official, as well as college educators from Colorado State University, the University of Colorado Denver and Colorado Mesa University.
If there is some good news for the Colorado Basin and the people who depend on Lake Powell this summer, it’s that the abundance in the Green River basin will give the reservoir a boost this summer. Flaming Gorge Reservoir, about 30 miles upstream from the point where the Green makes a dog leg into Colorado on the way to its confluence with the Yampa, is currently releasing large amounts of water. That’s being done to mimic the spring floods that occurred before the dam was built in order to support the ecosystem that evolved around those floods. When the river is restored to its baseline sumer flow, it will be at double the flows seen in the last few years, or about 1,600 cubic feet per second. The net result of those additional flows should boost Lake Powell to 50 percent full by the end of July, Kuhn confirmed.
From Steamboat Today (Tom Ross):
The Natural Resources Conservation Service in Denver predicted Monday that the total volume of flows in the Yampa in Steamboat Springs in June and July will be 118 percent of average, and maybe more if precipitation is abundant. And flows in the Elk, one of the Yampa’s biggest tributaries, could be at 145 percent of average during the heart of the summer.
The streamflow projections issued by the NRCS shouldn’t be interpreted as meaning the flows in the Yampa consistently will be at 118 percent of average, Mage Hultstrand cautioned. She is the assistant snow survey supervisor with the NRCS in Denver. Hultstrand explained that the streamflow projection anticipates the total volume of water that will flow under the Fifth Street Bridge from June through July.
“It’s based on current (snowpack) conditions and weather patterns in the area the past few months,” Hultstrand said.
The weather in terms of temperature and precipitation will have much to say about streamflow from week to week.
The Yampa at Steamboat peaked for the season May 30 at 4,850 cubic feet per second, Brenda Alcorn, senior hydrologist with the Colorado Basin River Forecast Center in Salt Lake City, Utah, said Wednesday. The Elk peaked at 6,300 cfs also on May 30. The Yampa came close to going higher June 2, but fell just short, Alcorn said. Flows in the Yampa were in decline this week, but the snowpack still has a kick in it; the Forecast Center expects the Yampa to rally Thursday and Friday, jumping from Wednesday morning’s flow of 2,300 cfs to perhaps 3,400 cfs by Friday. The median flow for June 11 is 2010 cfs. Temperatures are expected to reach the mid-70s under clear skies Thursday and Friday.
The streamflow projection issued by the NRCS really is intended to inform reservoir managers and help them understand how full their reservoirs will be and how much water they can release.
It’s safe to say the upper Yampa will be carrying more water than average for much of the next seven or eight weeks, but the streamflow forecast doesn’t guarantee there will be above average water in the river for irrigating hay fields or providing thrills for tubers during the last week in July, for example, Hultstrand said.
More Green River Basin coverage here.
From the Sky-Hi Daily News:
Many claim that we are now living in a “new normal.” In fact, there is no “normal” when it comes to our rivers. In the last 12 months we have gone from heavy autumn rains, enjoyed abundant late-season snow and are now faced with earlier record river flows.
How are water managers reacting to this incredible variability? And what might we anticipate in the near future? There may seem to be plenty of water to satisfy for now, but how does this year’s supply affect longer-term needs? These questions will be the subject of a public outreach and education meeting sponsored by Grand County and the Colorado River District.
The public can learn more about this season’s outlook for river flows, reservoir levels, overall water yields and the status of the longer-term drought at this annual “State of the River” meeting set for 6 p.m. on Tuesday, May 13, at Mountain Parks Electric, 321 W. Agate Ave., Granby.
Water experts from the U.S. Bureau of Reclamation, Northern Water, Denver Water and the Colorado River District will present detailed information related to operations of area reservoirs and how they may affect river flows.
Lastly, Eric Kuhn, General Manager of the Colorado River District, will talk about Colorado’s effort to create a statewide water plan and western Colorado’s perspective on the questions of supply versus demand, the future of the Colorado River basin and other regional river basin issues.
More Colorado River Basin coverage here.
From the Summit Daily News (Ali Langley):
About 80 people — water managers, weather experts, government officials and interested community members — attended the event hosted by the Colorado River District at the Community Center in Frisco Tuesday, May 6. Discussion revolved around snowpack, runoff, flooding and the state water plan…
[Joanna Hopkins, board president of Blue River Watershed Group] spoke about the group’s restoration project of Ten Mile Creek, impacted by decades of mining, railroads, highways and development, and presented before and after photos of the work. The group will now focus attention on restoration of the Upper Swan River Watershed, where dredge boats in the early 20th century mined for 2 miles and the group and its partners will work to turn the river “right side up.”[...]
[Troy Wineland, water commissioner for the Blue River basin] pointed to a graph and asked the audience to consider this year’s snowpack levels. “What does that surplus, that bonus, that cream on the top, what does that mean to you?” he said. Better rafting, some said. Fishing. Full reservoirs…
Bob Steger, water resources engineer with Denver Water, discussed Dillon Reservoir operations. The utility’s main priorities for the reservoir are maintaining its water supply and reducing flood risk, he said, but it also considers boating, rafting, kayaking, fishing, endangered fish and its upcoming construction project.
The utility began lowering the reservoir level in late February, just like in other high-snowpack years, he said. Going forward, the reservoir will start filling in mid-May or June, depending on whether the spring is wet or dry.
The Roberts Tunnel, which brings water from Dillon to Denver, won’t be turned on until mid-June or July, he said, and the utility will replace the large gates that control outflow to the Blue River likely sometime between August and October…
Ron Thomasson, a hydrologist with the U.S. Bureau of Reclamation who oversees Green Mountain Reservoir operations, said he expects to fill that reservoir in mid-July.
He talked about how more runoff will improve habitat for four endangered fish species in the 15-Mile Reach of the Colorado River and showed his “obligatory snowpack graph.” Then he presented spaghetti plots to explain that when experts say “most probable scenario” what they really mean is, “It’s actually no more probable than any other scenario. It just happens to be in the middle.”[...]
explained the rare conditions that combined to cause record-breaking flooding in the Boulder area in September. Then he switched to the “crazy winter that you just lived through” in Summit and what to expect in the six- to eight-week runoff season produced by seven months of snow.
He joked about the polar vortex, a phenomenon that’s been around forever but didn’t make the media until this winter, and he showed more spaghetti plots saying, “Those averages are beautiful. They give us something to think about. They never happen.”
Those excited about a surplus should remember the rest of the state is experiencing drought conditions. “You fared well,” he said. “It’s not always going to work that way, so please be grateful.”
Then he asked for volunteers to help collect real-time precipitation data with rain gauges for http://cocorahs.org.
Jim Pokrandt, chair of the Colorado Basin Roundtable that represents Summit and five other counties, emphasized problems with low levels in Lake Powell and Lake Mead and focused on the state water plan, which the roundtable is helping to create.
Of the 14 states in the West, Colorado is one of four without a water plan. The other three are Washington, Oregon and Arizona…
“Transmountain diversion should be the last tool out of the box,” he said. “Conservation and reuse needs to be hit hard.”
If a new transmountain diversion must be constructed, it should be done along the lines of the recent agreement between West Slope stakeholders and Denver Water.
One audience member asked why reducing population growth wasn’t one of the considered solutions. Most of the projected growth “is us having children,” Pokrandt said. “It’s the elephant in the room, but it’s the one that you really can’t touch.”
He said in some parts of the Front Range, the untouchable issue is green grass.