EPA Air · by county
Air-emissions sources in Macon County, Illinois
- 150Facilities
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Every stationary source in Macon County, Illinois 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 Macon County
Each of the 150 operating major, synthetic minor and minor sources in Macon County, Illinois has a record page: every source in Macon County, A to Z.
By emissions classification in Macon 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 Macon 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 5
- 2025 inspections 18
- 2024 inspections 11
- 2023 inspections 5
- 2022 inspections 13
- 2021 inspections 4
- 2020 inspections 6
- 2019 inspections 11
- 2018 inspections 8
- 2017 inspections 8
Violations in Macon 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 3
- 2025 violations 4
- 2024 violations 4
- 2023 violations 4
- 2021 violations 3
- 2019 violations 4
- 2017 violations 4
Stack tests in Macon County, by year
A stack test measures what a source actually emits, at the stack, against the limit in its permit.
- 2026 stack tests 12
- 2023 stack tests 8
- 2021 stack tests 4
- 2020 stack tests 5
- 2018 stack tests 4
- 2017 stack tests 10
Inspections in Macon County, year by year · Violations in Macon County, year by year · Stack tests in Macon County, year by year
Other counties in Illinois
Every county in the state with at least three sources on file.
- Kane County 547
- Kankakee County 169
- Kendall County 86
- Knox County 64
- La Salle County 259
- Lake County 673
- Lawrence County 25
- Lee County 74
- Livingston County 103
- Logan County 51
- Macoupin County 70
- Madison County 326
- Marion County 101
- Marshall County 37
- Mason County 40
- Massac County 21
- McDonough County 57
- McHenry County 342
- McLean County 200
Facilities
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 Macon county, IL. It lists 150 facilities and 6 major sources.