Ecology v Acquavella

The Yakima County Superior Court entered a final decree in this water rights adjudication on May 9, 2019.The final decree was appealed by multiple parties to the Washington Supreme Court. The court issued a decision on these consolidated appeals on November 18, 2021.

Also called the Yakima River Basin adjudication, the case prioritizes about 2,300 water rights in the Yakima Basin including Benton, Kittitas, and Yakima counties, and a small portion of Klickitat County.

The final decree and final schedule of rights

Starting in 1989, the court issued a series of Conditional Final Orders as work was completed in subbasins and other pathways. Superior Court Judge F. James Gavin entered the Final Decree in the case on May 9, 2019. The Final Decree integrates all of the Conditional Final Orders entered in the case, other orders governing administration of the waters of the Yakima Basin, and the Final Schedule of Rights.

Resources and important documents

Frequently Asked Questions