St. Helens, Oregon — Sewage Treatment Plants
Sewage Treatment Plants Near St. Helens, Oregon
Nearest Sewage Treatment Plants by Distance
| # | Sewage Treatment Plant | Distance |
|---|---|---|
| 1. | Saint Helens Sewage Treatment / Boise Cascade | 1.1 mi. |
| 2. | Scappoose Sewage Treatment Plant | 8.1 mi. |
| 3. | Salmon Creek Wastewater Treatment Plant | 9.9 mi. |
| 4. | Rainier Sewage Treatment Plant | 17.1 mi. |
| 5. | Vernonia Sewage Treatment Plant | 18.3 mi. |
| 6. | Columbia Boulevard Wastewater Treatment Plant | 18.9 mi. |
| 7. | Clatskanie Sewage Treatment Plant | 25.5 mi. |
| 8. | Hillsboro Wastewater Treatment Facility | 25.8 mi. |
| 9. | Rock Creek Advanced Wastewater Treatment Facility | 26.3 mi. |
| 10. | Gresham Wastewater Treatment Plant | 27.6 mi. |
Sewage Treatment Plant Locations