EPA Air · by county
Air-emissions sources in Wells County, Indiana
- 10Facilities
Every stationary source in Wells County, Indiana 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 Wells County
Each of the 10 operating major, synthetic minor and minor sources in Wells County, Indiana has a record page: every source in Wells County, A to Z.
By emissions classification in Wells 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 Wells 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.
Violations in Wells 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.
- 2026 violations 7
- 2025 violations 5
- 2023 violations 4
- 2022 violations 3
- 2021 violations 5
- 2020 violations 8
- 2019 violations 3
- 2018 violations 3
Stack tests in Wells County, by year
A stack test measures what a source actually emits, at the stack, against the limit in its permit.
- 2026 stack tests 31
- 2025 stack tests 20
- 2024 stack tests 19
- 2023 stack tests 10
- 2022 stack tests 30
- 2021 stack tests 23
- 2020 stack tests 29
- 2017 stack tests 20
Inspections in Wells County, year by year · Violations in Wells County, year by year · Stack tests in Wells County, year by year
Other counties in Indiana
Every county in the state with at least three sources on file.
- Rush County 4
- Scott County 8
- Shelby County 21
- Spencer County 9
- St. Joseph County 51
- Starke County 7
- Steuben County 16
- Sullivan County 13
- Tippecanoe County 34
- Tipton County 5
- Vanderburgh County 39
- Vermillion County 10
- Vigo County 38
- Wabash County 19
- Warrick County 11
- Washington County 8
- Wayne County 22
- White County 14
- Whitley County 12
Facilities
| Facility↑↓ | Classification↑↓ | HPV |
|---|---|---|
| MATALCO BLUFFTON LLC | Major source | Yes |
| MONTPELIER GENERATING STATION LLC | Major source | Yes |
| NESCO SALES AND RENTALS | Minor source | No |
| NOVAE CORPORATION | Synthetic minor source | Yes |
| NOVAE LLC | Synthetic minor source | Yes |
| ROEMBKE MFG. & DESIGN, INC. | Minor source | No |
| SHEARER'S FOODS LLC | Synthetic minor source | Yes |
| VALERO RENEWABLE FUELS COMPANY LLC DBA VALERO BLUFFTON PLANT | Major source | No |
| WAYNE METALS, LLC | Minor source | No |
| WEG ELECTRIC CORPORATION | Major source | No |
County as filed on the facility record. Figures from EPA’s ICIS-AIR download.
What this page shows
This page covers Clean Air Act facilities in the EPA air register for Wells county, IN. It lists 10 facilities in Wells county, of which 4 are major sources.