Reclamation’s Post-2026 Colorado River Plan Puts Utah Water, Energy, and Development Planning in Focus

By Denise A. Dragoo and Josh Miller

Lake Powell is the storage reservoir behind Glen Canyon Dam and is central to Upper Colorado River Basin (Basin) Compact compliance, hydropower production, and coordinated operations with Lake Mead. The Colorado River supports roughly 40 million people, 30 Tribal Nations, northern Mexico, agriculture, municipalities, energy production, recreation, and ecosystems.¹ The Bureau of Reclamation’s (Reclamation) Final Environmental Impact Statement (FEIS) states that the 2007 Interim Guidelines, 2019 Drought Contingency Plans, and key binational arrangements are expiring in 2026, while the Basin’s two largest reservoirs have fallen to historically low elevations after more than two decades of drought.² As of July 26, 2026, Lake Powell stood at approximately 23 percent of capacity and Lake Mead at approximately 27 percent.³

What the New Plan Does

Reclamation’s preferred alternative would establish “sideboards” for future operating guidelines. Those sideboards would permit:

Reclamation anticipates issuing operating guidelines in roughly two-year increments unless the Basin states reach a longer consensus agreement. The practical result is that reduced releases from Lake Powell are now expressly within the operating envelope, but the FEIS is better understood as environmental clearance for a decision framework rather than the final operating rule itself. Appendix T of the FEIS preliminarily analyzes 2027–2028 operations and describes an infrastructure-protection approach under which Lake Powell releases may be reduced to as low as 6.0 MAF if the reservoir is projected to fall below 3,510 feet and, after further consultation, to as low as 5.0 MAF if it is projected to fall below 3,500 feet.⁵

Legal and Regulatory Implications

The proposal sits within a dense legal framework often called the “Law of the River.” The Colorado River Basin Project Act requires the Secretary of the Interior to develop criteria for coordinated long-range operation of reservoirs constructed under the Colorado River Storage Project Act, Boulder Canyon Project Act, and related laws, and it lists priorities for Lake Powell releases tied to Mexican Treaty obligations, Colorado River Compact Article III(d), storage needs, equalization with Lake Mead, and spill avoidance. Federal officers must operate Colorado River system reservoirs consistently with the Compact, the Upper Basin Compact, the 1944 Mexican Water Treaty, the Boulder Canyon Project Act, the Colorado River Storage Project Act, and related authorities.⁶

The FEIS is also a National Environmental Policy Act (NEPA) milestone – not the final word on every operational decision. Reclamation’s decision-document page states that the Department expects to issue both the record of decision (ROD) and associated operating guidelines before operations begin on October 1, 2026. Clients should monitor those documents because they are expected to translate the framework, Appendix T’s preliminary analysis, and the FEIS assumptions into operative obligations, shortage criteria, conservation accounting, and consultation steps.⁷

Practical Implications

Water rights holders, irrigation districts, municipalities, developers, lenders, utilities, and industrial users should consider treating the framework as a new risk screen for supply planning.

What This Means for Utah

Utah is not treated like a Lower Basin shortage state under the framework. Even so, Lake Powell operations matter directly to Utah because Utah’s Upper Basin apportionment, the Lee Ferry delivery obligation, and the Upper Colorado River Commission curtailment framework shape how Utah can plan for municipal growth, agriculture, energy development, and future Tribal water development.

Utah’s response will run through the Colorado River Authority of Utah and the state’s river commissioner.⁸ Utah law charges those officials with protecting, conserving, using, and developing Utah’s Colorado River system waters and representing the state in negotiations with the Upper Colorado River Commission, other Basin states, and the United States.⁹

For Utah clients, the practical issues are less about an immediate mandatory cut and more about planning risk. Voluntary Upper Basin conservation may create opportunities for compensated conservation or project sequencing, but the FEIS modeling uses Upper Basin depletion schedules developed from the Upper Colorado River Commission’s updated demand schedule and does not answer how any particular Utah project, contract, or water right will fare under later guidelines.¹⁰ Reliance on Flaming Gorge and other upstream reservoirs to protect Lake Powell could affect recreation, hydropower expectations, reservoir-adjacent development, and local water planning.¹¹ Real estate, infrastructure, utility, and industrial projects in the Colorado River drainage should retest long-term water supply, wastewater, power, and permitting assumptions under drier hydrology and a more adaptive federal operating regime.

What to Watch

Stakeholders should watch for the ROD, the first two-year operating guidelines, continued Basin state negotiations, conserved-water storage accounting rules, and the separate binational process with Mexico. The Upper Basin governors, including Utah Governor Spencer Cox, have emphasized that key elements still depend on agreements that have not yet been finalized and that the framework is a short-term bridge rather than a final solution. Utah stakeholders should also monitor whether Upper Basin voluntary conservation becomes more formalized and how any successor agreement addresses Flaming Gorge and other upstream reservoirs.¹²

Key Takeaways