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The following table lists overview information for water quality improvement projects (also known as 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 waterbodies in Grays Harbor County please use the Water Quality Assessment Simple Query Tool.
| Waterbody Name | Pollutant(s) |
Status |
TMDL Lead(s)/Contacts |
| Black River |
Ammonia-N BOD (5-day) |
Approved by EPA |
Dave Rountry 360-407-6276 |
| Fecal Coliform | |||
| Total Phosphorus | |||
| Chehalis River |
Ammonia-N BOD (5-day) |
Approved |
Dave Rountry 360-407-6276 |
| Chehalis River (re-submit) | Dissolved Oxygen | Approved |
Dave Rountry 360-407-6276 |
| Chehalis River, Upper | Fecal Coliform | Approved |
Dave Rountry 360-407-6276 |
|
Chehalis River,
Upper tributaries:
|
Temperature | Approved |
Dave Rountry 360-407-6276 |
| Grays Harbor |
Dioxin Fecal Coliform |
Approved |
Dave Rountry 360-407-6276 |
| Humptulips River | Temperature | Approved |
Dave Rountry 360-407-6276 |
|
Simpson Timberlands Tributaries:
|
Temperature | Approved |
Charles Toal 360-407-6297 |
| Wildcat Creek |
Ammonia-N BOD (5-Day) Chlorine Fecal Coliform |
Approved |
Charles Toal 360-407-6297 |
Contact us for more information
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