DRAFT ENVIRONMENTAL IMPACT STATEMENT
Post-2026 Guidelines for operation of Hoover and Glen Canyon Dams (P26)
Released on Friday January 9, 2026
Virtual Meetings
Public comments due on March 2, 2026
The Draft EIS will be published in the Federal Register on January 16, 2026, initiating a 45-day comment period that will end on March 2, 2026. Comments may be submitted via the following methods:
- Email to: crbpost2026@usbr.gov
- Telephone: (602) 609-6739
- Mail to: Bureau of Reclamation, Attn: BCOO-1000, P.O. Box 61470, Boulder City, NV 89006
Reclamation will hold two virtual public meetings to provide information on the Draft EIS:
- Virtual meeting — Thursday, January 29, 2026, at 1:00 – 3:00 p.m. Mountain time
- Virtual meeting — Tuesday, February 10, 2026, at 5:30 – 7:30 p.m. Mountain time
To register for a virtual public meeting, please go to the project website. The virtual public meetings will be available in Spanish.
For further information, contact the project team by email at crbpost2026@usbr.gov or call the project telephone line at (602) 609-6739.
THE ALTERNATIVES:
- NO Action: required by NEPA, signifies a return to annual decision-making absent objective criteria, a mode of operation purposefully avoided since the late 1990s.
- Basic Coordination: designed to provide an environmental compliance option for a set of operations that Reclamation could implement in Water Year (WY) 2027 if no new agreements among relevant entities in the Basin are developed.
- Enhanced Coordination: designed to achieve protection of critical infrastructure and benefit key resources. Developed in close coordination with the National Park Service, the Fish & Wildlife Service, reflects concepts developed with Basin Tribes and principles put forth by hydropower interests (Western Area Power Administration and Colorado River Energy Distributors Association).
- Maximum Operational Flexibility: informed by a proposal submitted by a consortium of conservation organizations, includes operational concepts that promote maximum flexibility in water use.
- Supply-Driven: includes Lake Powell operations based solely on recent hydrologic conditions.
- Continued Current Strategies Comparative Baseline: not an alternative but represents a continuation of current operations for comparative analysis.
Additional Information
- For additional information about how Decision Making Under Deep Uncertainty (DMDU) was applied in the Post-2026 Draft EIS, refer to Chapter 3, Section 2.6 and Appendix E, “DMDU Overview and Approach”.
NEWS
DOCUMENTS
Volume One - Main Body
Volume Two - Supporting Appendices
Volume Three - Technical Appendices
ADDITIONAL INFORMATION
US SENATE BILL TO STUDY BYPASS AT GLEN CANYON DAM
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