Comment on the draft report
Columbia Basin Long-term Supply and Demand Forecast
July 1, 2026, 12 a.m. - July 31, 2026, 11:59 p.m. PT
We are accepting public comments on the draft Columbia Basin Long-Term Water Supply and Demand Forecast. After reviewing comments, we will send a final report to the Legislature in November 2026.
Ecology and WSU are hosting two in-person and one virtual workshop to present findings, answer questions, and receive public comments in breakout groups.
Review the Draft 2026 Long-term Water Supply and Demand Forecast.
Background
The Office of Columbia River in partnership with Washington State University are drafting the 2026 Columbia Basin Long-term Supply and Demand Forecast. This forecast is issued every five years and looks forward 20 years to examine how these variables affect communities, farms and fish.
Comment online
- Use our online comment form
- Submit your comment by email: jennifer.stephens@ecy.wa.gov
Comment by mail
1250 W Alder St
Union Gap, WA 98903
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