EPA · discharge permits by city
Discharge permits in Newhalem, Washington
- 5Current permits
Permits
Major dischargers first. Permits are placed by the address on the permit, which is the operation’s own, not the outfall’s.
| Permit holder | NPDES ID | Program | Discharger | Receiving water |
|---|---|---|---|---|
| DIABLO LARGE ONSITE SEWAGE SYSTEM | WAR302655 | Construction stormwater | Minor | Ladder Creek-Skagit River |
| ROSS DAM HOLLOW JET VALVES | WAR301999 | Construction stormwater | Minor | Diablo Lake-Skagit River |
| ROSS POWERHOUSE ROCKSLIDE STABILIZATION PROJECT | WAR125915 | Construction stormwater | Minor | Diablo Lake-Skagit River |
| SEATTLE CITY LIGHT NEWHALEM MRWF & OFFIC | WA0029858 | Publicly owned treatment works | Minor | Ladder Creek-Skagit River |
| SEATTLE CITY LIGHT NEWHALEM WWTP | WA0029670 | Publicly owned treatment works | Minor | Ladder Creek-Skagit River |