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.
Every source’s record in Brown County
Each of the 13 operating major, synthetic minor and minor sources in Brown County, South Dakota has a record page: every source in Brown County, A to Z.
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
Violations in Brown County, by year
A high-priority violation is the most serious class of Clean Air Act non-compliance an agency records against a source; a federally reportable violation is the next step down in severity.
Stack tests in Brown County, by year
A stack test measures what a source actually emits, at the stack, against the limit in its permit.
- 2026 stack tests 3
- 2025 stack tests 7
- 2024 stack tests 7
- 2023 stack tests 13
- 2022 stack tests 7
- 2021 stack tests 6
- 2020 stack tests 10
- 2019 stack tests 7
- 2018 stack tests 7
- 2017 stack tests 7
Inspections in Brown County, year by year · Violations in Brown County, year by year · Stack tests in Brown County, year by year
Other counties in South Dakota
Every county in the state with at least three sources on file.
- Beadle County 12
- Brookings County 12
- Clark County 3
- Clay County 7
- Codington County 12
- Custer County 4
- Davison County 11
- Deuel County 3
- Edmunds County 5
- Grant County 5
- Hamlin County 3
- Harding County 5
- Hughes County 5
- Hutchinson County 3
- Jerauld County 3
- Lawrence County 4
- Lincoln County 11
- McCook County 6
- Minnehaha County 61
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.