EPA Air · by county and classification
Major sources in Clark County, South Dakota
- 3Facilities
Sources in Clark County, South Dakota that EPA records under the major source classification. The classification is a size band, set by a source’s potential to emit: a major source is large enough to require a Title V operating permit, a synthetic minor source has accepted enforceable limits that keep it under that threshold, and a minor source sits below it without needing them.
Facilities
| Facility↑↓ | Classification↑↓ | HPV |
|---|---|---|
| NORTHERN BORDER PIPELINE COMPANY - CLARK COMPRESSOR | Major source | No |
| NORTHWESTERN ENERGY PUBLIC SERVICE CORPORATION - CLARK | Major source | No |
| WILLOW LAKE COMPRESSOR STATION | Major source | No |
Classification as filed on the facility record. Figures from EPA’s ICIS-AIR download.