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 |
|---|---|---|---|---|
| 2026-09-07 | BEAR MOUNTAIN FOREST PRODUCTS, INC. — high-priority violation on file | BROWNSVILLE, Linn, OR | Earliest FRV determination | State |
| 2026-09-07 | BEAR MOUNTAIN FOREST PRODUCTS, INC. — high-priority violation on file | BROWNSVILLE, Linn, OR | Earliest FRV determination | State |
| 2026-09-07 | MURPHY COMPANY — high-priority violation on file | SWEET HOME, Linn, OR | Earliest FRV determination | State |
| 2026-09-07 | MURPHY COMPANY — high-priority violation on file | SWEET HOME, Linn, OR | Earliest FRV determination | State |
| 2026-09-07 | CASCADE PACIFIC PULP, LLC — high-priority violation on file | HALSEY, Linn, OR | Earliest FRV determination | State |
| 2026-09-07 | CASCADE PACIFIC PULP, LLC — high-priority violation on file | HALSEY, Linn, OR | Earliest FRV determination | State |
| 2026-09-07 | CASCADE PACIFIC PULP, LLC — high-priority violation on file | HALSEY, Linn, OR | Earliest FRV determination | State |
| 2026-09-07 | CASCADE PACIFIC PULP, LLC — high-priority violation on file | HALSEY, Linn, OR | Earliest FRV determination | State |
| 2026-09-07 | CASCADE PACIFIC PULP, LLC — high-priority violation on file | HALSEY, Linn, OR | Earliest FRV determination | State |
| 2026-09-07 | CASCADE PACIFIC PULP, LLC — high-priority violation on file | HALSEY, Linn, OR | Earliest FRV determination | State |
| 2026-09-07 | CASCADE PACIFIC PULP, LLC — high-priority violation on file | HALSEY, Linn, OR | Earliest FRV determination | State |
| 2026-09-07 | EP MINERALS, LLC — high-priority violation on file | VALE, Malheur, OR | Earliest FRV determination | State |
| 2026-09-07 | EP MINERALS, LLC — high-priority violation on file | VALE, Malheur, OR | Earliest FRV determination | State |
| 2026-09-07 | EP MINERALS, LLC — high-priority violation on file | VALE, Malheur, OR | Earliest FRV determination | State |
| 2026-09-07 | TMF-RIG, LLC — high-priority violation on file | BOARDMAN, Morrow, OR | Earliest FRV determination | State |
| 2026-09-07 | TMF-RIG, LLC — high-priority violation on file | BOARDMAN, Morrow, OR | Earliest FRV determination | State |
| 2026-09-07 | TMF-RIG, LLC — high-priority violation on file | BOARDMAN, Morrow, OR | Earliest FRV determination | State |
| 2026-09-07 | TMF-RIG, LLC — high-priority violation on file | BOARDMAN, Morrow, OR | Earliest FRV determination | State |
| 2026-09-07 | TMF-RIG, LLC — high-priority violation on file | BOARDMAN, Morrow, OR | Earliest FRV determination | State |
| 2026-09-07 | OWENS BROCKWAY GLASS CONTAINER INC. — high-priority violation on file | PORTLAND, Multnomah, OR | Earliest FRV determination | State |
| 2026-09-07 | OWENS BROCKWAY GLASS CONTAINER INC. — high-priority violation on file | PORTLAND, Multnomah, OR | Earliest FRV determination | State |
| 2026-09-07 | ESCO GROUP, LLC — high-priority violation on file | PORTLAND, Multnomah, OR | Earliest FRV determination | State |
| 2026-09-07 | ESCO GROUP, LLC — high-priority violation on file | PORTLAND, Multnomah, OR | Earliest FRV determination | State |
| 2026-09-07 | NORTHWEST PIPE COMPANY — high-priority violation on file | PORTLAND, Multnomah, OR | Earliest FRV determination | State |
| 2026-09-07 | ARCLIN SURFACES, INC. — high-priority violation on file | PORTLAND, Multnomah, OR | Earliest FRV determination | State |
| 2026-09-07 | ARCLIN SURFACES, INC. — high-priority violation on file | PORTLAND, Multnomah, OR | Earliest FRV determination | State |
| 2026-09-07 | VIGOR INDUSTRIAL, LLC — high-priority violation on file | PORTLAND, Multnomah, OR | Earliest FRV determination | State |
| 2026-09-07 | GAS TRANSMISSION NORTHWEST LLC — high-priority violation on file | KENT, Sherman, OR | Earliest FRV determination | State |
| 2026-09-07 | GAS TRANSMISSION NORTHWEST LLC — high-priority violation on file | KENT, Sherman, OR | Earliest FRV determination | State |
| 2026-09-07 | WOODGRAIN, INC. — high-priority violation on file | PILOT ROCK, Umatilla, OR | Earliest FRV determination | State |
| 2026-09-07 | WOODGRAIN, INC. — high-priority violation on file | PILOT ROCK, Umatilla, OR | Earliest FRV determination | State |
| 2026-09-07 | BOISE CASCADE WOOD PRODUCTS, L.L.C. — high-priority violation on file | ELGIN, Union, OR | Earliest FRV determination | State |
| 2026-09-07 | HYDRO EXTRUSION USA, LLC — high-priority violation on file | THE DALLES, Wasco, OR | Earliest FRV determination | State |
| 2026-09-07 | HYDRO EXTRUSION USA, LLC — high-priority violation on file | THE DALLES, Wasco, OR | Earliest FRV determination | State |
| 2026-09-07 | HYDRO EXTRUSION USA, LLC — high-priority violation on file | THE DALLES, Wasco, OR | Earliest FRV determination | State |
| 2026-09-07 | STIMSON LUMBER COMPANY — high-priority violation on file | GASTON, Washington, OR | Earliest FRV determination | State |
| 2026-09-07 | STIMSON LUMBER COMPANY — high-priority violation on file | GASTON, Washington, OR | Earliest FRV determination | State |
| 2026-09-07 | RIVERBEND LANDFILL CO. — high-priority violation on file | MCMINNVILLE, Yamhill, OR | Earliest FRV determination | State |
| 2026-09-07 | CASCADE STEEL ROLLING MILLS, INC. — high-priority violation on file | MCMINNVILLE, Yamhill, OR | Earliest FRV determination | State |
| 2026-09-07 | CASCADE STEEL ROLLING MILLS, INC. — high-priority violation on file | MCMINNVILLE, Yamhill, OR | Earliest FRV determination | State |
| 2026-09-07 | CASCADE STEEL ROLLING MILLS, INC. — high-priority violation on file | MCMINNVILLE, Yamhill, OR | Earliest FRV determination | State |
| 2026-09-07 | CASCADE STEEL ROLLING MILLS, INC. — high-priority violation on file | MCMINNVILLE, Yamhill, OR | Earliest FRV determination | State |
| 2026-09-07 | CASCADE STEEL ROLLING MILLS, INC. — high-priority violation on file | MCMINNVILLE, Yamhill, OR | Earliest FRV determination | State |
| 2026-09-07 | CASCADE STEEL ROLLING MILLS, INC. — high-priority violation on file | MCMINNVILLE, Yamhill, OR | Earliest FRV determination | State |
| 2026-09-06 | CLARIOS LLC — high-priority violation on file | FLORENCE, Boone, KY | Earliest FRV determination | State |
| 2026-09-04 | GREEN ACRES LAND DEVELOPMENT - AIR CURTAIN BURNER — high-priority violation on file | POWELLS POINT, Currituck, NC | Earliest FRV determination | State |
| 2026-09-04 | SRC WORLDWIDE, INC. — high-priority violation on file | CLEVELAND, Cuyahoga, OH | Earliest FRV determination | State |
| 2026-09-04 | USALCO FAIRFIELD PLANT, LLC — high-priority violation on file | FAIRFIELD, Butler, OH | Earliest FRV determination | State |
| 2026-09-04 | UNIVERSAL PLASTICS - MIDDLEFIELD — high-priority violation on file | MIDDLEFIELD, Geauga, OH | Earliest FRV determination | State |
| 2026-09-04 | MARBLE ARCH PRODUCTS INC. — high-priority violation on file | FRANKLIN, Warren, OH | Earliest FRV determination | State |
| 2026-09-04 | MAZZ SCRAP, LLC - NORTH YARD — high-priority violation on file | AKRON, Summit, OH | Earliest FRV determination | State |
| 2026-09-04 | LIMESTONE RNG HIGH BTU FACILITY — high-priority violation on file | LOWELLVILLE, Mahoning, OH | Earliest FRV determination | State |
| 2026-09-04 | MANE, INC. — high-priority violation on file | LEBANON, Warren, OH | Earliest FRV determination | State |
| 2026-09-04 | STAHL TRUCK EQUIPMENT COMPANY — high-priority violation on file | WOOSTER, Wayne, OH | Earliest FRV determination | State |
| 2026-09-04 | ROSEBUD DATA CENTER — high-priority violation on file | LISBON, Columbiana, OH | Earliest FRV determination | State |
| 2026-09-04 | CARMEUSE LIME, INC - GRAND RIVER OPERATIONS — high-priority violation on file | GRAND RIVER, Lake, OH | Earliest FRV determination | State |
| 2026-09-04 | DREW FOAM HOLDINGS, LLC — high-priority violation on file | LANCASTER, Fairfield, OH | Earliest FRV determination | State |
| 2026-09-04 | 3 SIGMA LLC PLANT 3 — high-priority violation on file | LANCASTER, Fairfield, OH | Earliest FRV determination | State |
| 2026-09-04 | HONDA ENGINEERING NORTH AMERICA, INC. — high-priority violation on file | MARYSVILLE, Union, OH | Earliest FRV determination | State |
| 2026-09-04 | NATIONAL RESILIENCE, INC. — high-priority violation on file | WEST CHESTER, TOWNSHIP OF, Butler, OH | Earliest FRV determination | State |
| 2026-09-04 | AZEK BUILDING PRODUCTS — high-priority violation on file | WILMINGTON, Clinton, OH | Earliest FRV determination | State |
| 2026-09-04 | CLEVELAND-CLIFFS STEEL CORPORATION — high-priority violation on file | MIDDLETOWN, Butler, OH | Earliest FRV determination | State |
| 2026-09-04 | METALLUS INC. - FAIRCREST STEEL PLANT — high-priority violation on file | CANTON, Stark, OH | Earliest FRV determination | State |
| 2026-09-04 | THE ANDERSONS RENEWABLES LLC - GREENVILLE PLANT — high-priority violation on file | GREENVILLE, Darke, OH | Earliest FRV determination | State |
| 2026-09-04 | PREMIX - HADLOCK COMPOSITES, LLC — high-priority violation on file | GENEVA, Ashtabula, OH | Earliest FRV determination | State |
| 2026-09-04 | MSC WALBRIDGE COATINGS INC — high-priority violation on file | WALBRIDGE, Wood, OH | Earliest FRV determination | State |
| 2026-09-04 | MAUSER-USA — high-priority violation on file | MASON, Warren, OH | Earliest FRV determination | State |
| 2026-09-04 | MARBLE ARCH PRODUCTS INC. — high-priority violation on file | FRANKLIN, Warren, OH | Earliest FRV determination | State |
| 2026-09-04 | VALGROUP — high-priority violation on file | FINDLAY, Hancock, OH | Earliest FRV determination | State |
| 2026-09-04 | PALLET SOLUTIONS — high-priority violation on file | APPLE CREEK, Wayne, OH | Earliest FRV determination | State |
| 2026-09-04 | CLEAN HARBORS ENVIRONMENTAL SERVICES, INC. — high-priority violation on file | CLEVELAND, Cuyahoga, OH | Earliest FRV determination | State |
| 2026-09-04 | AL-CO PRODUCTS, INC. — high-priority violation on file | LATTY, Paulding, OH | Earliest FRV determination | State |
| 2026-09-04 | CITY OF ST. MARYS POWER PLANT — high-priority violation on file | SAINT MARYS, TOWNSHIP OF, Auglaize, OH | Earliest FRV determination | State |
| 2026-09-04 | JOHNSON WELDED PRODUCTS — high-priority violation on file | URBANA, Champaign, OH | Earliest FRV determination | State |
| 2026-09-04 | HAMILTON TANKS, LLC — high-priority violation on file | COLUMBUS, Franklin, OH | Earliest FRV determination | State |
| 2026-09-04 | MANHEIM OHIO — high-priority violation on file | GROVE CITY, Franklin, OH | Earliest FRV determination | State |
| 2026-09-04 | WORTHINGTON CYLINDER CORPORATION — high-priority violation on file | COLUMBUS, Franklin, OH | Earliest FRV determination | State |
| 2026-09-04 | ILLUMINATE USA LLC — high-priority violation on file | PATASKALA, Licking, OH | Earliest FRV determination | State |
| 2026-09-04 | ROSEBUD DATA CENTER — high-priority violation on file | LISBON, Columbiana, OH | Earliest FRV determination | State |
| 2026-09-04 | GRAPHITE SALES INC — high-priority violation on file | NOVA, Ashland, OH | Earliest FRV determination | State |
| 2026-09-04 | MONDELEZ GLOBAL LLC - TOLEDO FLOUR MILL — high-priority violation on file | TOLEDO, Lucas, OH | Earliest FRV determination | State |
| 2026-09-04 | SIDWELL MATERIALS, INC.-TRI-SON SCREENING PLANT — high-priority violation on file | SAINT CLAIRSVILLE, Belmont, OH | Earliest FRV determination | State |
| 2026-09-04 | POLAR SERVICE CENTER — high-priority violation on file | MARIETTA, Washington, OH | Earliest FRV determination | State |
| 2026-09-04 | DEE SIGN COMPANY — high-priority violation on file | WEST CHESTER, TOWNSHIP OF, Butler, OH | Earliest FRV determination | State |
| 2026-09-04 | HDT EXPEDITIONARY SYSTEMS INC. — high-priority violation on file | CINCINNATI, Clermont, OH | Earliest FRV determination | State |
| 2026-09-04 | VEELO TECHNOLOGIES LLC — high-priority violation on file | CINCINNATI, Hamilton, OH | Earliest FRV determination | State |
| 2026-09-04 | LEGRAND AVD — high-priority violation on file | CINCINNATI, Hamilton, OH | Earliest FRV determination | State |
| 2026-09-04 | MAVERICK MOLDING CO. — high-priority violation on file | CINCINNATI, Hamilton, OH | Earliest FRV determination | State |
| 2026-09-04 | CINCINNATI BULK TERMINALS LLC — high-priority violation on file | CINCINNATI, Hamilton, OH | Earliest FRV determination | State |
| 2026-09-04 | CUSTOM CAST MARBLEWORKS, EVENDALE — high-priority violation on file | CINCINNATI, Hamilton, OH | Earliest FRV determination | State |
| 2026-09-04 | ALCON INDUSTRIES, INC. — high-priority violation on file | CLEVELAND, Cuyahoga, OH | Earliest FRV determination | State |
| 2026-09-04 | CHEMTRON CORPORATION — high-priority violation on file | BEDFORD, Cuyahoga, OH | Earliest FRV determination | State |
| 2026-09-04 | FIVES NORTH AMERICAN COMBUSTION, INCORPORATED — high-priority violation on file | CLEVELAND, Cuyahoga, OH | Earliest FRV determination | State |
| 2026-09-04 | ELEMENT MATERIALS TECHNOLOGY CLEVELAND - MIDDLEBURG — high-priority violation on file | CLEVELAND, Cuyahoga, OH | Earliest FRV determination | State |
| 2026-09-04 | C&D WASTE SOLUTIONS, LLC — high-priority violation on file | CANTON, Stark, OH | Earliest FRV determination | State |
| 2026-09-04 | IRONROCK CAPITAL, INC. — high-priority violation on file | CANTON, Stark, OH | Earliest FRV determination | State |
| 2026-09-04 | NSG GLASS NORTH AMERICA, INC. — high-priority violation on file | LUCKEY, Wood, OH | Earliest FRV determination | State |
| 2026-09-04 | SILER AND SONS LANDSCAPE SUPPLY — high-priority violation on file | AMELIA, Clermont, OH | Earliest FRV determination | State |
| 2026-09-04 | CLEVELAND - SUNOCO LLC — high-priority violation on file | CLEVELAND, Cuyahoga, OH | Earliest FRV determination | State |
| 2026-09-04 | CSP INNOVATIONS, INC. — high-priority violation on file | NORTH BALTIMORE, Wood, OH | Earliest FRV determination | State |
Dates as filed by the agency that recorded the violation. Figures from EPA’s ICIS-AIR download.