Mandatory curtailment of water rights in #Colorado raised as possibility — @AspenJournalism @CWCB_DNR #ColoradoRiver #COriver

Water experts say that if the ongoing drought persists, Lake Powell could be empty within three years, and call could be placed on the upper basin to curtail water rights. To avoid the chaos such an unprecedented call might bring, state officials are discussing how a more orderly, but still mandatory curtailment of water uses, might need to be implemented. A wall bleached, and stained, in Lake Powell. Photo credit Brent Gardner-Smith @AspenJournalism.

From Aspen Journalism (Brent Gardner-Smith):

A state-imposed mandatory curtailment of water in the Colorado River Basin within Colorado was discussed as a looming possibility during a meeting of the Colorado Water Conservation Board on September 19 in Steamboat Springs.

Representatives from the Western Slope told the statewide water-planning board that while they favor creating a new legally protected pool of water in Lake Powell and other upstream federal reservoirs to help prevent a compact call on the river, they have significant concerns about the pool being filled outside of a program that is “voluntary, temporary and compensated.”

However, Front Range water users told the board that a voluntary program may not get the job done and that a mandatory curtailment program, based on either the prior appropriation doctrine or some method yet to be articulated, may be necessary to keep Lake Powell and Glen Canyon Dam functioning so Colorado, Utah and Wyoming can deliver enough water to California, Arizona and Nevada to meet the terms of the 1922 Colorado River Compact.

“With the repeat of historic hydrology beginning in the year 2000, Lake Powell will be dry, and when I say dry I mean empty, within about three years,” Jim Lochhead, CEO and manager of Denver Water told the CWCB board.

Lochhead said that while a voluntary demand management program might help bolster water levels in Lake Powell, “it doesn’t necessarily solve the problem.”

“So we may need — I know we don’t want to implement — but we may need other mechanisms to accelerate the creation of water into Lake Powell in the event of an emergency,” Lochhead said. “This is not something that Denver Water wants, or is asking for. What we are asking for is that the contingency plans be put into place. We need to have those plans in place before the system collapses.”

On Wednesday, Brent Newman, the chief of CWCB’s Interstate, Federal, & Water Information Section emphasized that neither they, nor the state attorney general’s office, is at this point “assessing, pursuing or recommending to the CWCB board any type of involuntary or ‘anticipatory’ curtailment scenario.”

And yet, such scenarios are on a lot of people’s minds.

(Please see related memo, slides and audio from the meeting. The audio is via YouTube, as provided by CWCB. The file opens well into the discussion, so click back to the beginning of the file, which opens just after the agenda item began, with brief introductory comments from CWCB Director Becky Mitchell. It’s well worth listening to. Also please see related story from Sept.18.).

The looming possibility of mandatory curtailment of water use has raised concerns among Western Slope water managers, who feel that such cuts could harm Western Slope agricultural, such as this hay filed in the Yampa River basin. However, as water levels continue to drop to record lows in Lake Powell, mandatory curltailments are being discussed as a real possibility, especially by Front Range water managers. Photo credit: Brent Gardner-Smith/Aspen Journalism

At hand

Lochhead said Denver Water wants to see a voluntary, temporary and compensated program created as a “first priority,” but also said “I also don’t think that by not talking about mandatory curtailment we can pretend the problem will go away. We need to be thinking about it, and we need to be thinking about it proactively.”

However, Western Slope water interests as represented by the Colorado River Water Conservation District and the Southwestern Water Conservation District are concerned that if a new storage pool is created in Lake Powell, and a mandatory curtailment program is used to fill it, it could have dire consequences for agriculture on the Western Slope.

NPR panel discussion of The Future of Water at CSU May 24, 2016. L to R: Patty Limerick, Roger Frugua, Melissa Mays, Paolo Bacigalupi, Kathleen Curry, and host Michel Martin.

“This is our livelihood,” Kathleen Curry, a rancher in Gunnison who serves on the Gunnison River Basin Roundtable, told the CWCB. “This water is what we depend on. If we move in the direction of mandatory curtailment, and it isn’t equitable, you are going to have significant impacts to the water users in the state of Colorado, especially on the Western Slope.”

The two regional Western Slope water conservation districts had drafted a resolution they wanted the CWCB to adopt Wednesday, which did not happen, as the CWCB declined to vote on it.

The resolution stated that any mandatory curtailment program would be developed on a “consensus basis” with the two districts at the table, and not just be a directive of the state.

However, Bennett Raley, the general counsel for the Northern Water Conservancy District, which provides water to nearly a million people in northeastern Colorado, said the state, as a sovereign entity, should not be constrained by consensus.

He also said that mandatory curtailment may well be necessary in Colorado.

“If the drought continues, there are two paths,” he told the CWCB board. “If there is an infinite source of money, then voluntary works. Great, we’re all happy. If the drought continues and there is not an infinite source of money, then the state will go to mandatory. The Supreme Court will ensure that, sooner or later, it’s not a question.”

Part of the fear of such a mandatory program is that hardly anyone, outside of perhaps the state engineer, knows what it would look like.

“Ultimately it’s a state decision, it’s a decision of the state engineer as to how water rights would be curtailed to meet the state’s obligations under the Colorado River Compact,” said Lochhead, when asked after the meeting how mandatory curtailment would work. “The short answer is, I don’t know. There are a lot of questions and viewpoints.”

Lochhead did say Denver Water is willing to “work with the state and with the West Slope to ensure that any curtailment doesn’t disproportionally impact any region of the state, whether it’s on the West Slope or the Front Range, and that essentially the same rules apply to everybody.”

Editor’s note: Aspen Journalism is collaborating with The Aspen Times and other newspapers in the Swift Communications group in Colorado on the coverage of rivers and water. The Times published this story on Thursday, September 20, 2018. The Glenwood Springs Post Independent also published it on Sept. 20, as did the Vail Daily.

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