Arizona joins Nevada challenging Trump administration's Colorado River cuts

Arizona has filed to join Nevada's lawsuit against the Trump administration's proposed restrictions on Colorado River water allocations to lower basin states, arguing the new operating framework violates existing water-sharing law.

First covered Oct 16, 2026 · 3:04 PM PT · 2 articles · no longer in the live window

Arizona joins Nevada challenging Trump administration's Colorado River cuts — Image via insideclimatenews.org

Coverage

24d Guardian Environment Arizona joins Nevada to fight proposed cuts to their shares of Colorado River — Move comes after Trump administration announced restrictions that could slash water supplies Arizona has joined Nevada in its legal battle against the Trump…

25d Inside Climate News Arizona Joins Lawsuit Challenging the Federal Government’s Plan for the Colorado River — The Arizona Department of Water Resources filed a motion Friday to join in a lawsuit against the federal government’s plan for Colorado River operations over…

Primary sources

azgovernor.gov Governor Katie Hobbs and ADWR Join Nevada in Colorado River Lawsuit to Block Federal Cuts to Lower Basin Water Supplies

doi.gov Interior Department Finalizes Plans for 2027-2028 Colorado River Operations | U.S. Department of the Interior

More coverage from around the web

fox5vegas.com Arizona joins Nevada’s Colorado River lawsuit against federal plan

ktar.com Arizona joins legal fight over Colorado River plan - KTAR.com

nevadacurrent.com Arizona joins Nevada lawsuit over Colorado River cuts • Nevada Current

washingtonpost.com Arizona joins lawsuit over required water cuts in Colorado River plan - The Washington Post

deseret.com Arizona joins Colorado River fight in federal court

Appeared in: 2026-10-17 (#6) · 2026-10-18 (#1) · 2026-10-19 (#5)

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