EPA Air · by county
Air-emissions sources in Huron County, Michigan
- 19Facilities
Every stationary source in Huron County, Michigan 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 Huron County
Each of the 19 operating major, synthetic minor and minor sources in Huron County, Michigan has a record page: every source in Huron County, A to Z.
By emissions classification in Huron 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 Huron 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 4
- 2024 inspections 14
- 2023 inspections 4
- 2022 inspections 8
- 2021 inspections 8
- 2020 inspections 4
- 2019 inspections 10
- 2018 inspections 10
- 2017 inspections 8
Violations in Huron 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.
- 2023 violations 5
- 2022 violations 3
- 2021 violations 3
- 2019 violations 3
- 2018 violations 5
- 2017 violations 3
Stack tests in Huron County, by year
A stack test measures what a source actually emits, at the stack, against the limit in its permit.
- 2025 stack tests 4
- 2022 stack tests 4
- 2021 stack tests 4
- 2019 stack tests 4
- 2018 stack tests 3
- 2017 stack tests 4
Inspections in Huron County, year by year · Violations in Huron County, year by year · Stack tests in Huron County, year by year
Other counties in Michigan
Every county in the state with at least three sources on file.
- Delta County 35
- Dickinson County 24
- Eaton County 22
- Emmet County 8
- Genesee County 55
- Gogebic County 14
- Grand Traverse County 24
- Gratiot County 18
- Hillsdale County 26
- Houghton County 20
- Ingham County 40
- Ionia County 18
- Iosco County 11
- Iron County 9
- Isabella County 17
- Jackson County 54
- Kalamazoo County 58
- Kalkaska County 39
- Kent County 193
Facilities
| Facility↑↓ | Classification↑↓ | HPV |
|---|---|---|
| ACE-SAGINAW PAVING CO. - PLANT 4 | Synthetic minor source | No |
| BERNE ENTERPRISES INC | Minor source | No |
| BRADE READY MIX CONCRETE | Minor source | No |
| COOPERATIVE ELEVATOR CO | Minor source | No |
| COOPERATIVE ELEVATOR CO | Minor source | No |
| CORTEVA LLC | Major source | Yes |
| DTE ELECTRIC COMPANY - OLIVER PEAKING FACILITY | Major source | No |
| HURON CASTING, INC (BLUE DIAMOND STEEL CASTING) | Major source | No |
| HURON LANDFILL CORPORATION | Minor source | No |
| HURON MEMORIAL HOSPITAL | Minor source | No |
| HURON TOOL & ENGINEERING | Minor source | No |
| MICHIGAN SUGAR COMPANY - SEBEWAING FACTORY | Major source | Yes |
| SCHEURER HOSPITAL | Minor source | No |
| SEBEWAING LIGHT AND WATER DEPARTMENT | Synthetic minor source | No |
| SEBEWAING LIGHT AND WATER DEPT. | Synthetic minor source | Yes |
| SENSIENT FLAVORS FKA UNIVERSAL FLAVORS | Minor source | No |
| THE L J GASCHO FURNITURE CO | Synthetic minor source | No |
| THUMB ELECTRIC COOPERATIVE | Synthetic minor source | No |
| WALLACE STONE CO | Minor source | No |
County as filed on the facility record. Figures from EPA’s ICIS-AIR download.