EPA Air · by county
Air-emissions sources in Cook County, Illinois
- 4,231Facilities
Every stationary source in Cook 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.
By emissions classification in Cook 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.
- Minor source 4,043
- Major source 80
- Synthetic minor source 72
Inspections in Cook 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 80
- 2025 — inspections 167
- 2024 — inspections 161
- 2023 — inspections 128
- 2022 — inspections 154
- 2021 — inspections 212
- 2020 — inspections 135
- 2019 — inspections 96
- 2018 — inspections 93
- 2017 — inspections 141
Other counties in Illinois
Every county in the state with at least three sources on file.
- Bureau County 63
- Calhoun County 8
- Carroll County 52
- Cass County 30
- Champaign County 266
- Christian County 68
- Clark County 38
- Clay County 50
- Clinton County 79
- Coles County 99
- Crawford County 42
- Cumberland County 17
- De Witt County 43
- DeKalb County 107
- Douglas County 50
- DuPage County 918
- Edgar County 52
- Edwards County 16
- Effingham County 99
Facilities
| Facility↑↓ | Classification↑↓ | HPV |
|---|---|---|
| MATCHLESS METAL POLISH CO | Minor source | No |
| MATERIAL SCIENCES CORP | Major source | No |
| MATHA OIL CORP DBA CITGO | Minor source | No |
| MAURITZON INC | Minor source | No |
| MAUSER USA, LLC | Major source | No |
| MAVI OIL INC DBA CITGO | Minor source | No |
| MAXS AUTO FASHIONS | No | |
| MAXS AUTO REBUILDER | Minor source | No |
| MAYERS COLLISION CENTER INC | Minor source | No |
| MAYFAIR METAL SPINNING | Minor source | No |
| MAYFAIR PUMPING STATION | Minor source | No |
| MAYWOOD EXPRESS MINI MART - MOBIL | Minor source | No |
| MAYWOOD MART CARE | Minor source | No |
| MB SHELL | Minor source | No |
| MCCORMICK AUTO BODY | Minor source | No |
| MCCORMICK WEST CONSTRUCTORS LLC | Minor source | No |
| MCDONAGH DEMOLITION | Minor source | No |
| MCDONAGH DEMOLITION | Minor source | No |
| MCDONAGH DEMOLITION | Minor source | No |
| MCDONAGH DEMOLITION INC | Minor source | No |
| MCDONNELL CLEANERS | Minor source | No |
| MCGRATH NISSAN | Minor source | No |
| MCI SALES AND SERVICE INC | Minor source | No |
| MCINTIRE CLEANERS | Minor source | No |
| MCKLEEN CLEANERS | Minor source | No |
| MEACHAM CLEANERS | Minor source | No |
| MEADOW DRY CLEANERS | Minor source | No |
| MEADOW DRY CLEANERS | Minor source | No |
| MEADOW MARATHON | Minor source | No |
| MEADOWS PETROLEUM | Minor source | No |
| MECH-TRONICS CORP | Minor source | No |
| MECHANICAL ENG PRODUCTS CO | Minor source | No |
| MEDLINE INDUSTRIES | Minor source | No |
| MEDX INC | Minor source | No |
| MEGA AUTO CARE INC | Minor source | No |
| MEIJER 228 GAS STATION | Minor source | No |
| MELPAP LTD DBA CM MORTON | Minor source | No |
| MENASHA PACKAGING CO LLC | Minor source | No |
| MERCHANDISE MART PROPERTIES INC | Minor source | No |
| MESKAN BRASS FOUNDRY | Minor source | No |
| METAL BOX INTERNATIONAL INC | Minor source | No |
| METAL FINISHING RESEARCH CORP | Minor source | No |
| METAL IMPACT LLC | Synthetic minor source | Yes |
| METAL MANAGEMENT MIDWEST INC | Minor source | No |
| METAL MANAGEMENT MIDWEST INC | Emissions classification unknown | No |
| METAL MANAGEMENT MIDWEST INC | Minor source | No |
| METAL MASTERS CARSTAR | Minor source | No |
| METAL MITES INC | Minor source | No |
| METAL-MATIC INC | Minor source | No |
| METHODE ELECTRONICS | Minor source | No |
| METHODE ELECTRONICS INC | Minor source | No |
| METHODIST HOSPITAL | Minor source | No |
| METOMIC CORPORATION | Minor source | No |
| METRA | Minor source | No |
| METRA | Minor source | No |
| METRA | Minor source | No |
| METRA | Minor source | No |
| METRO AUTO BODY GROUP | Minor source | No |
| METRO AUTO ON OGDEN | Minor source | No |
| METRO AUTO TECH UNITED | Minor source | No |
| METRO COLLISION EXPERTS | Minor source | No |
| METRO GARAGE INC | Minor source | No |
| METROPOLITAN BIOSOLIDS MANAGEMENT | Minor source | No |
| METROPOLITAN PIER & EXPOSITION AUTHORITY | Minor source | No |
| METROPOLITAN PIER & EXPOSITION AUTHORITY | Minor source | No |
| METROPOLITAN W R D OF GREATER CHICAGO | Minor source | No |
| METROPOLITAN WATER RECLAMATION | Minor source | No |
| METROPOLITAN WATER RECLAMATION DIST | Minor source | No |
| METROPOLITAN WATER RECLAMATION DISTRICT | Minor source | No |
| MEYER INDUSTRIAL CONTAINER | Major source | No |
| MEYER STEEL DRUM INC | Major source | No |
| MI-JACK PRODUCTS INC | Minor source | No |
| MICHELS ROAD & STONE INC | Minor source | No |
| MICO EXPRESS | Minor source | No |
| MICROCOSM | Minor source | No |
| MICROLINK DEVICES INC | Minor source | No |
| MICRON METAL FINISHING | Minor source | No |
| MICROSOFT CORP-CHICAGO DATA CENTER | Minor source | No |
| MID AMERICA BODY SHOP & CO | Minor source | No |
| MID-STATES RECYCLING | Minor source | No |
| MID-STATES RECYCLING INC | Minor source | No |
| MID-WEST MANUFACTURING LLC | Minor source | No |
| MIDCO INTL INC | Minor source | No |
| MIDLAND INDUSTRIES INC | Minor source | No |
| MIDLAND INDUSTRIES INC | Minor source | No |
| MIDLAND METALS PRODUCTS | Minor source | No |
| MIDLOTHIAN AMSTAR INC AKA CITGO | Minor source | No |
| MIDS CORP | Minor source | No |
| MIDWAY AUTO REPAIR | Minor source | No |
| MIDWAY CLEANERS DEPOT | Minor source | No |
| MIDWAY GAS SERVICE INC | Minor source | No |
| MIDWAY LAND MGMT INC DBA MOBIL MART | Minor source | No |
| MIDWAY MANAGEMENT GROUP | Minor source | No |
| MIDWAY MINI MART DBA MARATHON SVC | Minor source | No |
| MIDWAY SHELL INC | Minor source | No |
| MIDWEST ALLOY WHEEL REPAIR SPECIALIST | Minor source | No |
| MIDWEST BRASS FORGING CO INC | Minor source | No |
| MIDWEST CRUSHING & SCREENING | Minor source | Yes |
| MIDWEST HEATING & AIR CONDITIONING | Minor source | No |
| MIDWEST REM ENTERPRISES INC | Minor source | No |
County as filed on the facility record. Figures from EPA’s ICIS-AIR download.