EPA · discharge permits by watershed
150503040501 (subwatershed 150503040501)
- 3Current permits
- 1States
A subwatershed is a unit of the national Watershed Boundary Dataset, and water crosses state lines: this one carries permits in Arizona. Each permit is placed by the outfall EPA names as its representative discharge point.
By state
Permits discharging here
| Permit holder | NPDES ID | City | State | Program | Discharger | Receiving water |
|---|---|---|---|---|---|---|
| RYAN AIRFIELD | AZMS81412 | TUCSON | AZ | Minor | 150503040501 | |
| RYAN AIRFIELD | AZI109169 | TUCSON | AZ | Industrial stormwater | Minor | Black Wash | HEADWATERS - PIMA COUNTY WWMD AVR |
| RYAN AIRFIELD | AZI108659 | TUCSON | AZ | Industrial stormwater | Minor | Black Wash | HEADWATERS - PIMA COUNTY WWMD AVR |