EPA · discharge permits by watershed
Watershed 1711000504
- 6Current permits
- 1States
- 1Subwatersheds
A watershed is a unit of the national Watershed Boundary Dataset, and water crosses state lines: this one carries permits in Washington. Each permit is placed by the outfall EPA names as its representative discharge point.
By state
Subwatersheds inside this watershed
Permits discharging here
| Permit holder | NPDES ID | City | State | Program | Discharger | Receiving water |
|---|---|---|---|---|---|---|
| DIABLO LARGE ONSITE SEWAGE SYSTEM | WAR302655 | NEWHALEM | WA | Construction stormwater | Minor | Ladder Creek-Skagit River |
| DIABLO WAREHOUSE | WAR301266 | CONCRETE | WA | Construction stormwater | Minor | Ladder Creek-Skagit River |
| ROSS DAM HOLLOW JET VALVES | WAR301999 | NEWHALEM | WA | Construction stormwater | Minor | Diablo Lake-Skagit River |
| ROSS POWERHOUSE ROCKSLIDE STABILIZATION PROJECT | WAR125915 | NEWHALEM | WA | Construction stormwater | Minor | Diablo Lake-Skagit River |
| SEATTLE CITY LIGHT NEWHALEM MRWF & OFFIC | WA0029858 | NEWHALEM | WA | Publicly owned treatment works | Minor | Ladder Creek-Skagit River |
| SEATTLE CITY LIGHT NEWHALEM WWTP | WA0029670 | NEWHALEM | WA | Publicly owned treatment works | Minor | Ladder Creek-Skagit River |