EPA · discharge permits by watershed
Lower Big Wash (subwatershed 150503010805)
- 14Current 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
- Arizona14
Permits discharging here
| Permit holder | NPDES ID | City | State | Program | Discharger | Receiving water |
|---|---|---|---|---|---|---|
| 25-056 ENCANTADA @ ORO VALLEY | AZC111239 | UNKNOWN | AZ | Minor | Big Wash | Headwaters - CANADA DEL ORO @ 32°2 | |
| ENCANTADA ORO VALLEY MARKETPLACE | AZC111464 | UNKNOWN | AZ | Minor | Big Wash | Headwaters - CANADA DEL ORO @ 32°2 | |
| MUNICIPAL OPERATION CENTER | AZDM89514 | ORO VALLEY | AZ | Minor | Canada del Oro-Headwaters - BIG WASH @ 32°24' | |
| ORO VALLEY ASSISTED LIVING | AZC116619 | ORO VALLEY | AZ | Minor | Big Wash | Headwaters - CANADA DEL ORO @ 32°2 | |
| ORO VALLEY ASSISTED LIVING | AZC104445 | ORO VALLEY | AZ | Minor | Lower Big Wash | |
| PHOENIX, AZ | AZC116121 | UNKNOWN | AZ | Minor | Pima Wash | |
| RECLAIMED | AZDM89519 | ORO VALLEY | AZ | Minor | Canada del Oro-Headwaters - BIG WASH @ 32°24' | |
| ROCHE TISSUE BUILDING 8 AND 9 | AZC115212 | ORO VALLEY | AZ | Minor | Big Wash | Headwaters - CANADA DEL ORO @ 32°2 | |
| VENTANA MEDICAL SYSTEMS | AZI107119 | ORO VALLEY | AZ | Industrial stormwater | Minor | Unnamed ephemeral tributary |
| VENTANA MEDICAL SYSTEMS | AZMS80934 | ORO VALLEY | AZ | Minor | Lower Big Wash | |
| VISTOSO CANYON ESTATES | AZCN89425 | UNKNOWN | AZ | Minor | Lower Big Wash | |
| VISTOSO CANYON ESTATES | AZC111639 | UNKNOWN | AZ | Minor | Big Wash | Headwaters - CANADA DEL ORO @ 32°2 | |
| WILDFLOWER RESERVE | AZC099649 | UNKNOWN | AZ | Minor | Lower Big Wash | |
| WILDFLOWER RESERVE | AZC112079 | UNKNOWN | AZ | Minor | Big Wash | Headwaters - CANADA DEL ORO @ 32°2 |