Yakima Delta
Overview
The Yakima delta and confluence is a critical link to the entire Yakima River both historically and today. The Yakima River enters into the Columbia River at river mile 335 at the Tri-Cities in Washington State.
Yakima River Delta/Bateman Island Project
Mid-Columbia Fisheries Yakima River Delta/Bateman Island page. Link
US Army Corps of Engineers Project Info
US Army Corps of Engineers Yakima River Delta Ecosystem Restoration Project Page. Link
Here you can find the Feasibility Report and Environmental Assessment along with many other documents.
US Army Corps of Engineers 2021 Water Quality Monitoring at the Yakima River Delta Report. Link