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Water Quality Improvement Projects (TMDLs)

Map showing Benton County, Washington State.

Benton County projects

The following table lists overview information for water quality improvement projects (including total maximum daily loads, or TMDLs) for this county. Please use links (where available) for more information on a project.

To get additional information about the water bodies in Benton County please use the Water Quality Assessment Query Tool.

WRIAs in Benton  County

  • WRIA 31 - Rock-Glade
  • WRIA 37 - Lower Yakima
  • WRIA 40 - Alkali-Squilchuck

Waterbody Name Pollutant(s) Status TMDL Lead(s)
Yakima River Toxics Under development

Jane Creech
509-454-7860

Mark Peterschmidt
509-454-7843

Yakima River, Lower DDT
Turbidity
EPA approved

Jane Creech
509-454-7860

Last updated June 2015