EPA Air · violations by state and year
High-priority air violations in Illinois, 2026
- 101Violations
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. Every violation below was recorded against a source in Illinois during 2026; one facility can appear more than once, because this is a record of what happened rather than a list of places.
Counties in Illinois, 2026
- Cook County 25
- Will County 7
- Kane County 6
- DuPage County 5
- St. Clair County 5
- Madison County 4
- Rock Island County 4
- La Salle County 3
- Vermilion County 3
- Kankakee County 3
- McLean County 3
- Macon County 3
Illinois, other years
High-priority air violations recorded in Illinois, 2026
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2026-08-26 | ELGIN, CITY OF - PUBLIC WORKS — high-priority violation on file | ELGIN, Kane, IL | Earliest FRV determination | State |
| 2026-08-04 | NORTHWESTERN MEDICINE CENTRAL DUPAGE HOSPITAL — high-priority violation on file | WINFIELD, DuPage, IL | Earliest FRV determination | State |
| 2026-08-02 | FLEX-N-GATE EFFINGHAM — high-priority violation on file | EFFINGHAM, Effingham, IL | Earliest FRV determination | State |
| 2026-08-02 | OWENS-CORNING CORP — high-priority violation on file | SUMMIT, Cook, IL | Earliest FRV determination | State |
| 2026-07-30 | SOUTHERN ILLINOIS STORM SHELTERS INC — high-priority violation on file | BENTON, Franklin, IL | Earliest FRV determination | State |
| 2026-07-30 | VISCOFAN USA INC — high-priority violation on file | DANVILLE, Vermilion, IL | Earliest FRV determination | State |
| 2026-07-30 | G & M MFG CORP — high-priority violation on file | CRYSTAL LAKE, McHenry, IL | Earliest FRV determination | State |
| 2026-07-30 | BRIDGESTONE AMERICAS TIRE OPERATIONS — high-priority violation on file | BLOOMINGTON, McLean, IL | Earliest FRV determination | State |
| 2026-07-30 | DONALDSON CO INC — high-priority violation on file | DIXON, Lee, IL | Earliest FRV determination | State |
| 2026-07-17 | EAST DUBUQUE NITROGEN FERTILIZERS LLC — high-priority violation on file | EAST DUBUQUE, Jo Daviess, IL | Earliest FRV determination | State |
| 2026-07-12 | CABOT CORP — high-priority violation on file | TUSCOLA, Douglas, IL | Earliest FRV determination | State |
| 2026-07-10 | ID CASTINGS OF ILLINOIS LLC — high-priority violation on file | MARTINSVILLE, Clark, IL | Earliest FRV determination | State |
| 2026-07-04 | MIDWEST CRUSHING & SCREENING — high-priority violation on file | CRESTWOOD, Cook, IL | Earliest FRV determination | State |
| 2026-06-25 | NALCO CO LLC — high-priority violation on file | NAPERVILLE, DuPage, IL | Earliest FRV determination | State |
| 2026-06-23 | SAUGET VILLAGE OF AMERICAN BOTTOMS WWTF — high-priority violation on file | SAUGET, St. Clair, IL | Earliest FRV determination | State |
| 2026-06-19 | SIMPLY AMISH — high-priority violation on file | ARCOLA, Douglas, IL | Earliest FRV determination | State |
| 2026-06-18 | COLOR COMMUNICATIONS LLC — high-priority violation on file | CHICAGO, Cook, IL | Earliest FRV determination | State |
| 2026-06-15 | MARKET STREET TERMINAL & CHS INC — high-priority violation on file | PERU, La Salle, IL | Earliest FRV determination | State |
| 2026-06-15 | CURTIS 1000 INC — high-priority violation on file | BLOOMINGTON, McLean, IL | Earliest FRV determination | State |
| 2026-06-15 | CONCRETE STRATEGIES — high-priority violation on file | BLOOMINGTON, McLean, IL | Earliest FRV determination | State |
| 2026-06-15 | DECATUR FOUNDRY INC — high-priority violation on file | DECATUR, Macon, IL | Earliest FRV determination | State |
| 2026-06-15 | HUSTON PATTERSON — high-priority violation on file | DECATUR, Macon, IL | Earliest FRV determination | State |
| 2026-06-15 | AQUATIC PROTIEN LLC — high-priority violation on file | BEARDSTOWN, Cass, IL | Earliest FRV determination | State |
| 2026-06-15 | PFL PETROLEUM SERVICES — high-priority violation on file | GRANITE CITY, Madison, IL | Earliest FRV determination | State |
| 2026-06-15 | GREIF PACKAGING LLC — high-priority violation on file | ALSIP, Cook, IL | Earliest FRV determination | State |
| 2026-06-15 | WEAVER POPCORN BULK LLC — high-priority violation on file | FOREST CITY, Mason, IL | Earliest FRV determination | State |
| 2026-06-15 | ELECTRONIC PLATING CO INC — high-priority violation on file | CICERO, Cook, IL | Earliest FRV determination | State |
| 2026-06-15 | APH STONE & CABINET COMPANY LLC — high-priority violation on file | COLUMBIA, Monroe, IL | Earliest FRV determination | State |
| 2026-06-15 | MICHAEL GREENFIELD — high-priority violation on file | BAILEYVILLE, Ogle, IL | Earliest FRV determination | State |
| 2026-06-15 | WEST SUBURBAN HOSPITAL — high-priority violation on file | OAK PARK, Cook, IL | Earliest FRV determination | State |
| 2026-06-15 | WILLIAM RAINEY HARPER COLLEGE — high-priority violation on file | PALATINE, Cook, IL | Earliest FRV determination | State |
| 2026-06-15 | KRESS CORP — high-priority violation on file | BRIMFIELD, Peoria, IL | Earliest FRV determination | State |
| 2026-06-15 | MOLINE FORGE INC — high-priority violation on file | MOLINE, Rock Island, IL | Earliest FRV determination | State |
| 2026-06-15 | ABLE DIE CASTING CORP — high-priority violation on file | SCHILLER PARK, Cook, IL | Earliest FRV determination | State |
| 2026-06-15 | LANGMAN CONSTRUCTION — high-priority violation on file | ROCK ISLAND, Rock Island, IL | Earliest FRV determination | State |
| 2026-06-15 | WESTWAY FEED PRODUCTS LLC — high-priority violation on file | CORDOVA, Rock Island, IL | Earliest FRV determination | State |
| 2026-06-15 | KENNY THE KLEENER — high-priority violation on file | SKOKIE, Cook, IL | Earliest FRV determination | State |
| 2026-06-15 | COFCO CAHOKIA LLC — high-priority violation on file | CAHOKIA, St. Clair, IL | Earliest FRV determination | State |
| 2026-06-15 | CUSTOM MARBLE INC — high-priority violation on file | MILLSTADT, St. Clair, IL | Earliest FRV determination | State |
| 2026-06-15 | SUN CHEMICAL CORP — high-priority violation on file | NORTHLAKE, Cook, IL | Earliest FRV determination | State |
| 2026-06-15 | H & B GRAIN LLC — high-priority violation on file | NAPLES, Scott, IL | Earliest FRV determination | State |
| 2026-06-15 | MIDTOWN REDI MIX — high-priority violation on file | WESTVILLE, Vermilion, IL | Earliest FRV determination | State |
| 2026-06-15 | R & B POWDER COATING — high-priority violation on file | CHICAGO, Cook, IL | Earliest FRV determination | State |
| 2026-06-15 | AG TRANSFER LLC — high-priority violation on file | ELWOOD, Will, IL | Earliest FRV determination | State |
| 2026-06-15 | MPH ELWOOD LLC — high-priority violation on file | ELWOOD, Will, IL | Earliest FRV determination | State |
| 2026-06-15 | ORANGE CRUSH LLC — high-priority violation on file | ROMEOVILLE, Will, IL | Earliest FRV determination | State |
| 2026-06-15 | GENERAL SURFACE HARDENING — high-priority violation on file | CHICAGO, Cook, IL | Earliest FRV determination | State |
| 2026-06-15 | EDWARD HINES JR. VA HOSPITAL — high-priority violation on file | HINES, Cook, IL | Earliest FRV determination | State |
| 2026-06-15 | SOUTHERN ILLINOIS STORM SHELTERS INC — high-priority violation on file | BENTON, Franklin, IL | Earliest FRV determination | State |
| 2026-06-15 | BATAVIA FOUNDRY & MACHINE CO — high-priority violation on file | BATAVIA, Kane, IL | Earliest FRV determination | State |
| 2026-06-15 | COLONY INC — high-priority violation on file | ELGIN, Kane, IL | Earliest FRV determination | State |
| 2026-06-15 | FLENDER CORP — high-priority violation on file | ELGIN, Kane, IL | Earliest FRV determination | State |
| 2026-06-15 | SUN CHEMICAL CORP — high-priority violation on file | ST CHARLES, Kane, IL | Earliest FRV determination | State |
| 2026-06-15 | AURORA METALS DIVISION LLC — high-priority violation on file | MONTGOMERY, Kane, IL | Earliest FRV determination | State |
| 2026-06-15 | SUN CHEMICAL CORP — high-priority violation on file | KANKAKEE, Kankakee, IL | Earliest FRV determination | State |
| 2026-06-15 | CANAM STEEL CORP — high-priority violation on file | PERU, La Salle, IL | Earliest FRV determination | State |
| 2026-06-15 | STATE LANDS IMPROVEMENT CORP — high-priority violation on file | OTTAWA, La Salle, IL | Earliest FRV determination | State |
| 2026-06-13 | HOLCIM (US) INC — high-priority violation on file | CHICAGO, Cook, IL | Earliest FRV determination | State |
| 2026-06-08 | BLESSING HOSPITAL — high-priority violation on file | QUINCY, Adams, IL | Earliest FRV determination | State |
| 2026-06-08 | KNAPHEIDE TRUCK EQUIPMENT CO — high-priority violation on file | QUINCY, Adams, IL | Earliest FRV determination | State |
| 2026-06-08 | CITY OF ROCK ISLAND WWTP — high-priority violation on file | ROCK ISLAND, Rock Island, IL | Earliest FRV determination | State |
| 2026-06-07 | BATTERY BUILDERS LLC — high-priority violation on file | NAPERVILLE, Will, IL | Earliest FRV determination | State |
| 2026-06-06 | EDGED CHICAGO LLC — high-priority violation on file | AURORA, DuPage, IL | Earliest FRV determination | State |
| 2026-06-04 | GATEWAY PACKAGING INC — high-priority violation on file | GRANITE CITY, Madison, IL | Earliest FRV determination | State |
| 2026-05-27 | LAKES PARTNERSHIP — high-priority violation on file | LAKE VILLA, Lake, IL | Earliest FRV determination | State |
| 2026-05-26 | MARS WRIGLEY CONFECTIONERY US LLC — high-priority violation on file | CHICAGO, Cook, IL | Earliest FRV determination | State |
| 2026-05-26 | POLYNT COMPOSITES USA INC — high-priority violation on file | MORRIS, Grundy, IL | Earliest FRV determination | State |
| 2026-05-20 | SMITHFIELD FRESH MEATS CORP — high-priority violation on file | MONMOUTH, Warren, IL | Earliest FRV determination | State |
| 2026-05-20 | WRB REFINING LP WOOD RIVER REFINERY — high-priority violation on file | ROXANA, Madison, IL | HPV day-zero determination | State |
| 2026-05-20 | WASHINGTON MILLS HENNEPIN INC — high-priority violation on file | HENNEPIN, Putnam, IL | Earliest FRV determination | State |
| 2026-05-16 | WIRCO INC — high-priority violation on file | CHAMPAIGN, Champaign, IL | Earliest FRV determination | State |
| 2026-05-09 | H KRAMER & CO — high-priority violation on file | CHICAGO, Cook, IL | Earliest FRV determination | State |
| 2026-05-04 | ALLNEX USA INC — high-priority violation on file | EAST ST LOUIS, St. Clair, IL | Earliest FRV determination | State |
| 2026-04-28 | CPV THREE RIVERS ENERGY CENTER — high-priority violation on file | MORRIS, Grundy, IL | Earliest FRV determination | State |
| 2026-04-28 | SILVER CROSS HOSPITAL — high-priority violation on file | NEW LENOX, Will, IL | Earliest FRV determination | State |
| 2026-04-21 | CHEM-PLATE INDUSTRIES INC — high-priority violation on file | ELK GROVE VILLAGE, Cook, IL | Earliest FRV determination | State |
| 2026-04-20 | MARATHON PETROLEUM CO LLC — high-priority violation on file | ROBINSON, Crawford, IL | Earliest FRV determination | State |
| 2026-04-17 | IMTT ILLINOIS — high-priority violation on file | CHANNAHON, Will, IL | Earliest FRV determination | State |
| 2026-04-15 | GREEN PLAINS MADISON — high-priority violation on file | MADISON, Madison, IL | Earliest FRV determination | State |
| 2026-04-14 | CROWN CORK & SEAL CO (USA) — high-priority violation on file | BRADLEY, Kankakee, IL | Earliest FRV determination | State |
| 2026-04-12 | INTERTAPE POLYMER CORP — high-priority violation on file | CARBONDALE, Jackson, IL | Earliest FRV determination | State |
| 2026-04-12 | EXXON MOBIL OIL CORP — high-priority violation on file | CHANNAHON, Will, IL | Earliest FRV determination | State |
| 2026-04-05 | GRAIN CRAFT CORN LLC — high-priority violation on file | DANVILLE, Vermilion, IL | Earliest FRV determination | State |
| 2026-04-05 | ENGINEERED GLASS PRODUCTS LLC — high-priority violation on file | CHICAGO, Cook, IL | Earliest FRV determination | State |
| 2026-03-22 | METAL IMPACT LLC — high-priority violation on file | ELK GROVE VILLAGE, Cook, IL | Earliest FRV determination | State |
| 2026-03-16 | BAG MAKERS INC — high-priority violation on file | UNION, McHenry, IL | Earliest FRV determination | State |
| 2026-03-09 | GUARDIAN WEST — high-priority violation on file | URBANA, Champaign, IL | Earliest FRV determination | State |
| 2026-03-08 | AFTON CHEMICAL CORP — high-priority violation on file | SAUGET, St. Clair, IL | Earliest FRV determination | State |
| 2026-03-03 | BEFESA ZINC US INC — high-priority violation on file | CHICAGO, Cook, IL | Earliest FRV determination | State |
| 2026-03-02 | CE NIEHOFF & CO — high-priority violation on file | EVANSTON, Cook, IL | Earliest FRV determination | State |
| 2026-03-01 | HEARTLAND RECYCLING — high-priority violation on file | FOREST VIEW, Cook, IL | Earliest FRV determination | State |
| 2026-03-01 | ARCHER DANIELS MIDLAND CO — high-priority violation on file | DECATUR, Macon, IL | HPV day-zero determination | State |
| 2026-02-10 | PRAIRIE STATE GROUP — high-priority violation on file | FRANKLIN PARK, Cook, IL | Earliest FRV determination | State |
| 2026-02-03 | AMPAC — high-priority violation on file | HANOVER PARK, DuPage, IL | Earliest FRV determination | State |
| 2026-01-27 | SIGNODE-BRIDGEVIEW — high-priority violation on file | BRIDGEVIEW, Cook, IL | Earliest FRV determination | State |
| 2026-01-26 | CONEX CABLE LLC — high-priority violation on file | DEKALB, DeKalb, IL | Earliest FRV determination | State |
| 2026-01-24 | ROCK RIVER WATER RECLAMATION DISTRICT — high-priority violation on file | ROCKFORD, Winnebago, IL | Earliest FRV determination | State |
| 2026-01-20 | RIVER VALLEY RECYCLING LLC — high-priority violation on file | KANKAKEE, Kankakee, IL | Earliest FRV determination | State |
| 2026-01-10 | NTT GLOBAL DATA CENTERS CH LLC — high-priority violation on file | ITASCA, DuPage, IL | Earliest FRV determination | State |
| 2026-01-07 | KOPPERS CARBON MATERIALS LLC — high-priority violation on file | CICERO, Cook, IL | Earliest FRV determination | State |
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Dates as filed by the agency that recorded the violation. Figures from EPA’s ICIS-AIR download.