Oregon
Installations
| City | Plant | Contact | Phone |
| Brookings | Brookings WWTP | Joe Inqwersoh | 541-412-0424 |
| Canby | Canby WWTP | Steve Hanson | 503-266-4021 |
| Florence | Florence WWTP | Rick Mumpower | 541-997-2611 |
| Forest Grove | Forest Grove WWTP | Ken Winkler | 503-648-8716 |
| Hillsboro | Hillsboro WWTP | Ken Winkler | 503-641-8716 |
| Hillsboro | Rock Creek WWTP | Tom Stow | 503-681-7050 |
| Klamath Falls | Klamath Falls WWTP | Dwight Pratt | 503-883-5384 |
| Portland | Gresham WWTP | Gerry Marsh | 503-618-3450 |
| Sandy | Sandy WWTP | Dick Peake | 503-668-3251 |
| Tillamook | Tillamook County Creamery | Shawn Reiersgaard | 503-842-4481 |
| Tigard | Durham WWTP | Bruce Reich | 503-620-4608 |
| Troutdale | Troutdale WPCF | Mike Sorenson | 503-665-5175 |
| Woodburn | Woodburn WWTP | Frank Sinclair | 503-982-5280 |
