EPA · discharge permits by city
Discharge permits in Unknown, South Dakota
- 6Current 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 |
|---|---|---|---|---|
| 2020 IMPROVEMENTS PROJECT - SCH 1 - PIPELINE | SDR10K537 | Construction stormwater | Minor | tributaries to Vermillion River |
| DAKOTA PLAINS DAIRY-SITE #2 EAST | SDR10I106 | Construction stormwater | Minor | Long Creek-Vermillion River |
| INDIAN BUTTE PIPELINE | SDR10J920 | Construction stormwater | Minor | Porcupine Creek |
| PHASE II & III PIPELINE PROJECT | SDR10I298 | Construction stormwater | Minor | Sevenmile Creek-Missouri River |
| PUMP STATION 18 HAAKON | SDR10J936 | Construction stormwater | Minor | W Plum Creek |
| PUMP STATION 19 MURDO | SDR10J771 | Construction stormwater | Minor | natural drainage to unnamed tributary |