EPA Air · violations by year
High-priority air violations in 2026
- 2,737Violations
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.
States, 2026
- Pennsylvania 362
- Wisconsin 222
- California 221
- Ohio 202
- Oregon 172
- Indiana 165
- Nevada 115
- North Carolina 102
- Illinois 101
- Texas 97
- Tennessee 91
- Georgia 82
- South Carolina 80
- Florida 72
- Iowa 64
- New Jersey 61
- Massachusetts 44
- Oklahoma 43
- Kansas 38
- South Dakota 35
- Mississippi 34
- Missouri 31
- Alabama 29
- New Mexico 26
- Nebraska 23
- Washington 22
- Arizona 21
- Colorado 20
- Alaska 19
- Rhode Island 17
- Michigan 17
- Kentucky 14
- Connecticut 14
- Maryland 12
- Virginia 10
- Arkansas 10
- Hawaii 9
- District of Columbia 8
- Vermont 6
- Wyoming 5
- Delaware 4
- Idaho 4
- New Hampshire 3
- West Virginia 3
- Minnesota 3
Other years
High-priority air violations recorded in 2026
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2026-04-06 | LIGONIER STONE & LIME CO/SMT EAST SURFACE MINE — high-priority violation on file | BLAIRSVILLE, Westmoreland, PA | Earliest FRV determination | State |
| 2026-04-06 | APPALACHIAN MATERIALS, LLC — high-priority violation on file | TRADE, Johnson, TN | Earliest FRV determination | State |
| 2026-04-05 | POLLARD LUMBER COMPANY — high-priority violation on file | APPLING, Columbia, GA | HPV day-zero 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 |
| 2026-04-05 | STEEL DYNAMICS, INC. STRUCTURAL & RAIL DIVISION — high-priority violation on file | COLUMBIA CITY, Whitley, IN | HPV day-zero determination | State |
| 2026-04-04 | SOUTH BEND ETHANOL LLC — high-priority violation on file | SOUTH BEND, St. Joseph, IN | Earliest FRV determination | State |
| 2026-04-03 | W&T OFFSHORE, INC. | MOBILE BAY, Mobile, AL | Earliest FRV determination | State |
| 2026-04-03 | W&T OFFSHORE, INC. | MOBILE BAY, Mobile, AL | Earliest FRV determination | State |
| 2026-04-03 | W&T OFFSHORE, INC. | MOBILE BAY, Mobile, AL | Earliest FRV determination | State |
| 2026-04-03 | LEAF RIVER CELLULOSE LLC — high-priority violation on file | NEW AUGUSTA, Perry, MS | Earliest FRV determination | State |
| 2026-04-03 | LANCASTER CNTY SWMA/SUSQ RESOURCE MGMT COMPLEX — high-priority violation on file | HARRISBURG, Dauphin, PA | HPV day-zero determination | State |
| 2026-04-02 | PHILLIPS 66 COMPANY - SAN FRANCISCO REFINERY — high-priority violation on file | RODEO, Contra Costa, CA | HPV day-zero determination | Local |
| 2026-04-02 | CARBON CALIFORNIA COMPANY, LLC — high-priority violation on file | FILLMORE, Ventura, CA | Earliest FRV determination | Local |
| 2026-04-02 | SCHUFF STEEL MIDWEST (AIR) — high-priority violation on file | OTTAWA, Franklin, KS | Earliest FRV determination | State |
| 2026-04-02 | MIDWEST MINERALS - UNIONTOWN QUARRY #84 (AIR) — high-priority violation on file | UNIONTOWN QUARRY#9, Bourbon, KS | Earliest FRV determination | State |
| 2026-04-02 | MCCABE INDUSTRIAL MINERALS (AIR) — high-priority violation on file | WEIR, Crawford, KS | Earliest FRV determination | State |
| 2026-04-02 | MULBERRY LIMESTONE QUARRY - ENGLEVALE QUARRY (AIR) — high-priority violation on file | ENGLEVALE QUARRY, Crawford, KS | Earliest FRV determination | State |
| 2026-04-02 | MULBERRY LIMESTONE QUARRY - PITTSBURG QUARRY (AIR) — high-priority violation on file | S30-T30S-R24E, Crawford, KS | Earliest FRV determination | State |
| 2026-04-02 | OMYA, INC. (AIR) — high-priority violation on file | WATHENA, Doniphan, KS | Earliest FRV determination | State |
| 2026-04-02 | REEVE AGRI-ENERGY (AIR) — high-priority violation on file | GARDEN CITY, Finney, KS | Earliest FRV determination | State |
| 2026-04-02 | KANSAS CITY KATY GRAIN ELEVATOR (AIR) — high-priority violation on file | KANSAS CITY, Wyandotte, KS | Earliest FRV determination | State |
| 2026-04-02 | HARRY BYERS & SONS - CHANUTE QUARRY (AIR) — high-priority violation on file | CHANUTE, Neosho, KS | Earliest FRV determination | State |
| 2026-04-02 | HARRY BYERS & SONS - GALESBURG QUARRY (AIR) — high-priority violation on file | GALESBURG QUARRY, Neosho, KS | Earliest FRV determination | State |
| 2026-04-02 | LANSING CORRECTIONAL FACILITY (AIR) — high-priority violation on file | LANSING, Leavenworth, KS | Earliest FRV determination | State |
| 2026-04-02 | FBOP LEAVENWORTH (AIR) — high-priority violation on file | LEAVENWORTH, Leavenworth, KS | Earliest FRV determination | State |
| 2026-04-02 | SCOUT ENERGY - LATERAL G STATION (AIR) — high-priority violation on file | LATERAL G STA., Grant, KS | Earliest FRV determination | State |
| 2026-04-02 | SCOUT ENERGY - LATERAL H STATION (AIR) — high-priority violation on file | LATERAL H STA., Grant, KS | Earliest FRV determination | State |
| 2026-04-02 | SCOUT ENERGY - AB STATION (DEHY)(AIR) — high-priority violation on file | AB DEHY STATION, Grant, KS | Earliest FRV determination | State |
| 2026-04-02 | SCOUT ENERGY - JAYHAWK II STATION (DEHY)(AIR) — high-priority violation on file | JAYHAWK II, Grant, KS | Earliest FRV determination | State |
| 2026-04-02 | SINGLE SOURCE PRINTING (AIR) — high-priority violation on file | LENEXA, Johnson, KS | Earliest FRV determination | State |
| 2026-04-02 | SCOUT ENERGY PARTNERS - KENDALL STATION (DEHY)(AIR) — high-priority violation on file | KENDALL STA., Kearny, KS | Earliest FRV determination | State |
| 2026-04-02 | NEVILLE BUILT TRAILERS (AIR) — high-priority violation on file | KINGMAN, Kingman, KS | Earliest FRV determination | State |
| 2026-04-02 | PARSONS STATE HOSPITAL & TRAINING CENTER (AIR) — high-priority violation on file | PARSONS, Labette, KS | Earliest FRV determination | State |
| 2026-04-02 | MIDWEST MINERALS - COFFEYVILLE QUARRY #17 (AIR) — high-priority violation on file | COFFEYVILLE, Labette, KS | Earliest FRV determination | State |
| 2026-04-02 | ERIE ENERGY CENTER (AIR) — high-priority violation on file | ERIE, Neosho, KS | Earliest FRV determination | State |
| 2026-04-02 | FIBER GLASS SYSTEMS (AIR) — high-priority violation on file | WICHITA, Sedgwick, KS | Earliest FRV determination | State |
| 2026-04-02 | CINTAS CORP. - WICHITA (AIR) — high-priority violation on file | WICHITA, Sedgwick, KS | Earliest FRV determination | State |
| 2026-04-02 | ONEOK - SUBLETTE STATION (AIR) — high-priority violation on file | SUBLETTE #1, Seward, KS | Earliest FRV determination | State |
| 2026-04-02 | ONEOK - STV6-01 STATION (AIR) — high-priority violation on file | STV 6-01, Stevens, KS | Earliest FRV determination | State |
| 2026-04-02 | ONEOK - STV2-01 STATION (AIR) — high-priority violation on file | STV 2-01, Stevens, KS | Earliest FRV determination | State |
| 2026-04-02 | NORTHWEST COTTON GROWERS CO-OP - MOSCOW — high-priority violation on file | MOSCOW, Stevens, KS | Earliest FRV determination | State |
| 2026-04-02 | DANIELS ROCK & READY MIX (ASPHALT PLANT) (PORTABLE) — high-priority violation on file | PORTABLE, Undetermined, KS | Earliest FRV determination | State |
| 2026-04-02 | CARDINAL COLWICH LLC (AIR) — high-priority violation on file | COLWICH, Sedgwick, KS | Earliest FRV determination | State |
| 2026-04-02 | MAGNERA CORPORATION | BENSON, Johnston, NC | Earliest FRV determination | State |
| 2026-04-02 | SPRINT GRAND ISLAND POP — high-priority violation on file | GRAND ISLAND, Hall, NE | Earliest FRV determination | State |
| 2026-04-02 | GREENE TEAM PELLET FUEL CO/GARARDS FORT — high-priority violation on file | CARMICHAELS, Greene, PA | Earliest FRV determination | State |
| 2026-04-02 | LAUREL MTN MIDSTREAM OPR LLC/SHAMROCK COMP STA — high-priority violation on file | SALEM, Fayette, PA | Earliest FRV determination | State |
| 2026-04-02 | NORTHERN CAMBRIA SCH DIST/NORTHERN CAMBRIA HIGH SCH — high-priority violation on file | NORTHERN CAMBRIA, Cambria, PA | Earliest FRV determination | State |
| 2026-04-02 | NORTHERN CAMBRIA SCH DIST/NORTHERN CAMBRIA ELEM & MID SCH — high-priority violation on file | NORTHERN CAMBRIA, Cambria, PA | Earliest FRV determination | State |
| 2026-04-02 | ISA WELL SITE — high-priority violation on file | COGAN STATION, Lycoming, PA | Earliest FRV determination | State |
| 2026-04-02 | ARMSTRONG CEMENT & SUPPLY/WINFIELD — high-priority violation on file | CABOT, Butler, PA | HPV day-zero determination | State |
| 2026-04-02 | OLD SOUTH WOOD PRESERVING, LLC — high-priority violation on file | SUMMERTOWN, Lawrence, TN | Earliest FRV determination | State |
| 2026-04-01 | GOLD BOND BUILDING PRODUCTS — high-priority violation on file | MARICOPA COUNTY, Maricopa, AZ | Earliest FRV determination | Local |
| 2026-04-01 | UNITED AIRLINES, SF MAINTENANCE CENTER — high-priority violation on file | CALIFORNIA, Undetermined, CA | HPV day-zero determination | Local |
| 2026-04-01 | WELLSTAR COBB HOSPITAL — high-priority violation on file | AUSTELL, Cobb, GA | Earliest FRV determination | State |
| 2026-04-01 | JBS USA LLC — high-priority violation on file | MARSHALLTOWN, Marshall, IA | Earliest FRV determination | State |
| 2026-04-01 | LYONDELLBASELL ADVANCED POLYMERS INCORPORATED — high-priority violation on file | EVANSVILLE, Vanderburgh, IN | Earliest FRV determination | State |
| 2026-04-01 | CONTINENTAL PRODUCTS LLC — high-priority violation on file | MEXICO, Audrain, MO | Earliest FRV determination | State |
| 2026-04-01 | OVERLAND MATERIAL AND MANUFACTURING INC / ASTEC 3 — high-priority violation on file | MILL CREEK, Johnston, OK | Earliest FRV determination | State |
| 2026-04-01 | COLORCON INC NO TOX PROD DIV/NEW BRITAIN — high-priority violation on file | CHALFONT, Bucks, PA | Earliest FRV determination | State |
| 2026-04-01 | JHHC PAD 1 — high-priority violation on file | MONTROSE, Susquehanna, PA | Earliest FRV determination | State |
| 2026-04-01 | RAG APPLE LLC PAD 1 — high-priority violation on file | MONTROSE, Susquehanna, PA | Earliest FRV determination | State |
| 2026-04-01 | KEYSTONE PORTLAND CEMENT/EAST ALLEN — high-priority violation on file | BATH, Northampton, PA | Earliest FRV determination | State |
| 2026-04-01 | PENN CAMBRIA SCH DIST/HIGH SCH — high-priority violation on file | CRESSON, Cambria, PA | Earliest FRV determination | State |
| 2026-04-01 | PENN CAMBRIA SCH DIST/MIDDLE SCHOOL — high-priority violation on file | GALLITZIN, Cambria, PA | Earliest FRV determination | State |
| 2026-04-01 | ENV COMMODITIES CORP/H4-1, H4-2 & H4-3 — high-priority violation on file | SYCAMORE, Greene, PA | Earliest FRV determination | State |
| 2026-04-01 | THE QUIKRETE COMPANIES, LLC — high-priority violation on file | JEFFERSON CITY, Jefferson, TN | Earliest FRV determination | State |
| 2026-04-01 | APAC-ATLANTIC, INC. DBA HARRISON CONSTRUCTION — high-priority violation on file | LENOIR CITY, Loudon, TN | Earliest FRV determination | State |
| 2026-04-01 | TIMBER CREEK RESOURCE, LLC — high-priority violation on file | DYER, Gibson, TN | Earliest FRV determination | State |
| 2026-04-01 | ROSE FABRICATING & INDUSTRIAL SOLUTIONS — high-priority violation on file | COVINGTON, Tipton, TN | Earliest FRV determination | State |
| 2026-04-01 | IRONHORSE TRAILERS, INC. — high-priority violation on file | MCMINNVILLE, Warren, TN | Earliest FRV determination | State |
| 2026-04-01 | POTTER SOUTH EAST LLC — high-priority violation on file | CARYVILLE, Campbell, TN | Earliest FRV determination | State |
| 2026-04-01 | THOMPSON APPALACHIAN HARDWOODS, INC. — high-priority violation on file | HUNTLAND, Franklin, TN | Earliest FRV determination | State |
| 2026-04-01 | MILLER/GREENEVILLE, INC. — high-priority violation on file | GREENEVILLE, Greene, TN | Earliest FRV determination | State |
| 2026-03-31 | NORTH ALABAMA MATERIALS, INC. | GURLEY, Madison, AL | Earliest FRV determination | State |
| 2026-03-31 | TAMINCO US LLC — high-priority violation on file | PACE, Santa Rosa, FL | Earliest FRV determination | State |
| 2026-03-31 | STINE ATP — high-priority violation on file | REDFIELD, Dallas, IA | Earliest FRV determination | State |
| 2026-03-31 | REID HEALTH — high-priority violation on file | RICHMOND, Wayne, IN | Earliest FRV determination | State |
| 2026-03-31 | CONEMAUGH MEM MED CTR/JOHNSTOWN — high-priority violation on file | JOHNSTOWN, Cambria, PA | Earliest FRV determination | State |
| 2026-03-31 | SHELL CHEM APPALACHIA/SHELL POLYMERS MONACA — high-priority violation on file | MONACA, Beaver, PA | HPV day-zero determination | State |
| 2026-03-31 | VALMONT COMPOSITE STRUCTURES ESTILL — high-priority violation on file | ESTILL, Hampton, SC | Earliest FRV determination | State |
| 2026-03-31 | ESSEX SOLUTIONS USA LLC — high-priority violation on file | FRANKLIN, Williamson, TN | Earliest FRV determination | State |
| 2026-03-31 | NEWBASIS, LLC — high-priority violation on file | LEBANON, Wilson, TN | Earliest FRV determination | State |
| 2026-03-30 | INTEL CORP - OCOTILLO CAMPUS — high-priority violation on file | MARICOPA COUNTY, Maricopa, AZ | Earliest FRV determination | Local |
| 2026-03-30 | INDIANA HARBOR COKE COMPANY LP CONTRACTOR OF CLEVELAND-CLIFF — high-priority violation on file | EAST CHICAGO, Lake, IN | Earliest FRV determination | State |
| 2026-03-30 | EAGLE CASTING LLC/ HANOVER — high-priority violation on file | HANOVER, York, PA | Earliest FRV determination | State |
| 2026-03-30 | UNIONTOWN HOSP ASSOC/W BERKELY ST — high-priority violation on file | UNIONTOWN, Fayette, PA | Earliest FRV determination | State |
| 2026-03-30 | PERFORMANCE FRICTION CORPORATION — high-priority violation on file | CLOVER, York, SC | Earliest FRV determination | State |
| 2026-03-27 | HILLSBOROUGH COUNTY SOLID WASTE MGT DEPT | LITHIA, Hillsborough, FL | Earliest FRV determination | State |
| 2026-03-27 | 3M MINNESOTA MINING & MANUFACTURING CO — high-priority violation on file | KNOXVILLE, Marion, IA | Earliest FRV determination | State |
| 2026-03-27 | LIPPERT COMPONENTS INCORPORATED PLANT 261 — high-priority violation on file | ELKHART, Elkhart, IN | Earliest FRV determination | State |
| 2026-03-27 | NORTHERN INDIANA PUBLIC SERVICE COMPANY LLC RM SCHAHFER GENE — high-priority violation on file | WHEATFIELD, Jasper, IN | Earliest FRV determination | State |
| 2026-03-27 | RYOBI DIE CASTING USA INC — high-priority violation on file | SHELBYVILLE, Shelby, IN | Earliest FRV determination | State |
| 2026-03-27 | IROQUOIS BIO ENERGY COMPANY LLC — high-priority violation on file | RENSSELAER, Jasper, IN | Earliest FRV determination | State |
| 2026-03-27 | UNILIN FLOORING NC, LLC - THOMASVILLE FACILITY | THOMASVILLE, Davidson, NC | Earliest FRV determination | State |
| 2026-03-27 | ONEOK HYDROCARBON LP / MEDFORD FRACTIONATOR — high-priority violation on file | MEDFORD, Grant, OK | Earliest FRV determination | State |
| 2026-03-27 | SUPERIOR MIDSTREAM LLC / CASHION GAS PLANT — high-priority violation on file | CASHION, Logan, OK | Earliest FRV determination | State |
| 2026-03-27 | DCP OPERATING CO LP / CIMARRON NATURAL GAS PROCESSING PLANT — high-priority violation on file | RICHMOND, Woodward, OK | Earliest FRV determination | State |
| 2026-03-27 | MULTI COLOR CORP/WILLOW SPRINGS PLT — high-priority violation on file | YORK, York, PA | Earliest FRV determination | State |
Dates as filed by the agency that recorded the violation. Figures from EPA’s ICIS-AIR download.