Mason County
Water quality improvement projects
Select the waterbody or pollutant name to find more information about the specific project.
| Waterbody Name(s) | Pollutant(s) | Status | Project Lead(s) |
|---|---|---|---|
| Black River | Ammonia-N BOD (5-day) |
EPA approved | Lawrence Sullivan 360-690-4665 |
| Black River | Fecal Coliform | EPA approved | Lawrence Sullivan 360-690-4665 |
| Black River | Total Phosphorus | EPA approved | Lawrence Sullivan 360-690-4665 |
| Chehalis River | Ammonia-N BOD (5-day) Dissolved Oxygen |
EPA approved | Lawrence Sullivan 360-690-4665 |
| Chehalis River - Upper Chehalis | Fecal Coliform Temperature |
EPA approved | Lawrence Sullivan 360-690-4665 |
| Cranberry, Johns, and Mill Creeks | Temperature | Under development | Lawrence Sullivan 360-407-6389 |
| Oakland Bay and Hammersley Inlet | Fecal Coliform | EPA approved | Lawrence Sullivan 360-407-6389 |
| Skokomish River tributaries:
|
Fecal Coliform | EPA approved and Has an implementation plan |
Lawrence Sullivan 360-407-6389 |
| Totten/Eld Inlets Tributaries | Fecal Coliform Temperature |
EPA approved and Has an implementation plan |
Lawrence Sullivan 360-407-6389 |
| Union River | Fecal Coliform | EPA approved and Has an implementation plan |
Matthew Colston 425-200-8252 |
To request ADA accommodation, call Ecology at 360-407-7668, 711 (relay service), or 877-833-6341 (TTY). More about our accessibility services.