EPA Air · by county
Air-emissions sources in Brown County, South Dakota
- 14Facilities
Every stationary source in Brown County, South Dakota 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 Brown 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 Brown 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 8
- 2025 — inspections 9
- 2024 — inspections 6
- 2023 — inspections 7
- 2022 — inspections 6
- 2021 — inspections 9
- 2020 — inspections 3
- 2019 — inspections 8
- 2018 — inspections 9
- 2017 — inspections 8
Facilities
| Facility↑↓ | Classification↑↓ | HPV |
|---|---|---|
| 3M COMPANY - ABERDEEN | Minor source | Yes |
| AG PROCESSING INC. | Major source | No |
| AVERA ST LUKES HOSPITAL | Minor source | No |
| BASIN ELECTRIC POWER COOPERATIVE GROTON GENERATING | Major source | No |
| BROWN COUNTY SOLID WASTE LANDFILL | Minor source | No |
| HUB CITY ENERGY, LLC | Major source | Yes |
| JENSEN ROCK & SAND INC. | Synthetic minor source | No |
| LIEN TRANSPORTATION | Minor source | No |
| LIEN TRANSPORTATION COMPANY | Minor source | No |
| NORTHWESTERN ENERGY PUBLIC SERVICE CORPORATION - ABERDEEN | Major source | No |
| NUSTAR PIPELINE OPERATING PARTNERSHIP LP - ABERDEEN | Major source | No |
| POET BIOREFINING - GROTON | Major source | No |
| TWIN CITY FAN: AEROVENT | Minor source | No |
| UPPER PLAINS CONTRACTING | Minor source | No |
County as filed on the facility record. Figures from EPA’s ICIS-AIR download.