TMDL image

Water Quality Improvement Projects (TMDLs)

Mason 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 Mason County please use the Water Quality Assessment Query Tool.

 

WRIAs in Mason County


Waterbody Name Pollutants Status TMDL Leads
Black River Ammonia-N
BOD (5-day)
EPA approved Brett Raunig
360-690-4660
Fecal Coliform
Total Phosphorus
Chehalis River Basin Chehalis River
  • Ammonia-N
  • BOD (5-day)
  • Dissolved Oxygen
Upper Chehalis:
  • Fecal Coliform
  • Temperature

tributaries:

  • Black River
  • Lincoln Creek
  • Scatter Creek
  • Dillenbaugh Creek
  • Skookumchuck Cr
  • Salzer Creek
  • Newaukum River
 

EPA approved


EPA approved

EPA approved

Brett Raunig
360-690-4660

Oakland Bay

Oakland Bay & Hammersley Inlet
  • Fecal Coliform

EPA approved

Andrew Kolosseus
360-407-7543
Mill, Cranberry, and John Creeks
  • Temperature
Under development Betsy Dickes
360-407-6296
Skokomish River

Tributaries:

  • Purdy Creek
  • Weaver Creek
  • Ten Acre Creek
  • Hunter Creek
Fecal Coliform EPA approved

Has an implementation plan

Andrew Kolosseus
360-407-7543
Totten/Eld Inlets Tributaries Fecal Coliform
Temperature
EPA approved

Has an implementation plan

Andrew Kolosseus
360-407-7543
Union River

Tributary: Bear Creek

Fecal Coliform EPA approved

Has an implementation plan

Danielle DeVoe
425-649-7036


Back to top of page

 

Last updated March 2017