EPA · discharge permits by city
Discharge permits in Duncan, Oklahoma
- 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 |
|---|---|---|---|---|
| DUNCAN PUBLIC UTILITIES AUTH | OK0026638 | Publicly owned treatment works | Major | 311200000110 Claridy Ck-001/311200000100Cow Ck-002 |
| AE4343 & AE4344 CAMELBACK RD 4IN UPGRADE PHASE 1 AND PHASE 2 PROJECT | OKR10F01V | Construction stormwater | Minor | Stage Stand Creek |
| DOLESE BROS. CO. - DUNCAN PLANT 2 | OKG110076 | Minor | 311200000110 trib/Claridy Creek | |
| HALLIBURTON ENERGY SERVICES, INC. | OK0100498 | Minor | 311200000100 trib/ E Cow Creek | |
| PHILLIPS 66 CO-DUNCAN REFINERY | OK0044601 | Minor | 611200 Red R. Basin(upper)/Claridy |