EPA Air · by county
Air-emissions sources in Polk County, North Carolina
- 6Facilities
Every stationary source in Polk County, North Carolina that holds a Clean Air Act permit or is otherwise tracked by an air agency — planned, under construction, operating, seasonal or temporarily closed. Sources EPA records as permanently closed are not listed.
By emissions classification in Polk County
A source’s classification is the size band its potential emissions put it in: a major source is large enough to need a Title V operating permit, a synthetic minor has accepted limits to stay below that line, and a minor source sits below it outright.
Inspections in Polk County, by year
A compliance evaluation is the on-site or file review a state, local or federal air agency records against a permitted source.
- 2026 — inspections 3
- 2025 — inspections 5
- 2024 — inspections 3
- 2023 — inspections 8
- 2022 — inspections 9
- 2021 — inspections 11
- 2020 — inspections 12
- 2019 — inspections 12
- 2018 — inspections 5
- 2017 — inspections 4
Facilities
| Facility↑↓ | Classification↑↓ | HPV |
|---|---|---|
| APAC-ATLANTIC, INC. - PLANT 04139 TRYON | Synthetic minor source | No |
| PSNC DBA ENBRIDGE GAS - MILL SPRING COMPRESSOR STATION | Minor source | No |
| PSNC DBA ENBRIDGE GAS - SILVER CREEK ROAD COMPRESSOR STATION | Minor source | No |
| THOMPSON CONTRACTORS, INC. - MILL SPRING QUARRY | Minor source | No |
| TRI-CITY CONCRETE, POLK COUNTY | Minor source | No |
| TRYON FINISHING CORPORATION | Minor source | No |
County as filed on the facility record. Figures from EPA’s ICIS-AIR download.