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Water Quality Improvement Projects (TMDLs)

Grays Harbor 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 Grays Harbor County please use the Water Quality Assessment Query Tool.

 

WRIAs in Grays Harbor County


Waterbody Names Pollutants Status TMDL Leads
Chehalis River Basin Simpson Timberlands
  • Temperature
Approved by EPA Brett Raunig
360-690-4660
Upper Chehalis River Watershed
  • Dissolved Oxygen
    • Ammonia-N
    • BOD (5-day)
  • Fecal Coliform
  • Temperature
Approved by EPA Brett Raunig
360-690-4660
Wildcat Creek
  • Ammonia-N
  • BOD (5-Day)
  • Chlorine
  • Fecal Coliform
Approved by EPA Brett Raunig
360-690-4660
Grays Harbor
  • Dioxin
  • Fecal Coliform
Approved by EPA Brett Raunig
360-690-4660
Humptulips River
  • Temperature

North Beach
Pacific Ocean
Moclips River
Connor Creek
Copalis River
Joe Creek
Boone Creek
Elk Creek
Unnamed Creeks

Shellfish Closure Response - Fecal Coliform Bacteria Source Investigation Study Under development Lydia Wagner
360-407-6329


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Last updated October 2016