EPA Air · violations by state and year

High-priority air violations in Ohio, 2026

202Violations

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 Ohio 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 Ohio, 2026

Ohio, other years

High-priority air violations recorded in Ohio, 2026

Date	Facility	Where	Kind	Agency
2026-06-24	ELCO CORP. — high-priority violation on file	CLEVELAND, Cuyahoga, OH	Earliest FRV determination	State
2026-06-24	OAK HILL PRODUCTS LLC DBA CEDAR HEIGHTS CLAY — high-priority violation on file	OAK HILL, Jackson, OH	Earliest FRV determination	State
2026-06-24	CARMEUSE LIME, INC. - MAPLE GROVE OPERATIONS — high-priority violation on file	BETTSVILLE, Seneca, OH	Earliest FRV determination	State
2026-06-24	CARMEUSE LIME, INC. - MAPLE GROVE OPERATIONS — high-priority violation on file	BETTSVILLE, Seneca, OH	Earliest FRV determination	State
2026-06-24	GREEN CIRCLE GROWERS — high-priority violation on file	OBERLIN, Lorain, OH	Earliest FRV determination	State
2026-06-24	ELCO CORP. — high-priority violation on file	CLEVELAND, Cuyahoga, OH	Earliest FRV determination	State
2026-06-24	VALLEY ASPHALT #27 — high-priority violation on file	WASHINGTON COURT HOUSE, Fayette, OH	Earliest FRV determination	State
2026-06-24	POET BIOREFINING - LEIPSIC — high-priority violation on file	LEIPSIC, Putnam, OH	Earliest FRV determination	State
2026-06-24	INDUSTRIAL CONTAINER SERVICES, LLC — high-priority violation on file	GAHANNA, Franklin, OH	Earliest FRV determination	State
2026-06-24	MAVERICK MOLDING CO. — high-priority violation on file	CINCINNATI, Hamilton, OH	Earliest FRV determination	State
2026-06-24	CRASH CHAMPIONS, LLC — high-priority violation on file	CUYAHOGA FALLS, Summit, OH	Earliest FRV determination	State
2026-06-24	STERLING SITE ACCESS SOLUTIONS LLC — high-priority violation on file	ASHLAND, Ashland, OH	Earliest FRV determination	State
2026-06-24	3 SIGMA LLC PLANT 3 — high-priority violation on file	LANCASTER, Fairfield, OH	Earliest FRV determination	State
2026-06-24	MARZETTI MANUFACTURING — high-priority violation on file	COLUMBUS, Franklin, OH	Earliest FRV determination	State
2026-06-24	RIVERSIDE METHODIST HOSPITAL — high-priority violation on file	COLUMBUS, Franklin, OH	Earliest FRV determination	State
2026-06-24	WIELAND CHASE LLC — high-priority violation on file	MONTPELIER, Williams, OH	Earliest FRV determination	State
2026-06-24	MILLWOOD, INC. - WAVERLY — high-priority violation on file	WAVERLY, Pike, OH	Earliest FRV determination	State
2026-06-24	HONDA DEV & MFG OF AMERICA, LLC, MARYSVILLE AUTO PLANT — high-priority violation on file	MARYSVILLE, Union, OH	Earliest FRV determination	State
2026-06-24	LORAIN COUNTY RNG FACILITY — high-priority violation on file	OBERLIN, Lorain, OH	Earliest FRV determination	State
2026-06-24	3 SIGMA LLC PLANT 3 — high-priority violation on file	LANCASTER, Fairfield, OH	Earliest FRV determination	State
2026-06-24	HDMA, LLC ANNA ENGINE PLANT — high-priority violation on file	ANNA, Shelby, OH	Earliest FRV determination	State
2026-06-24	AIRSTREAM, INC. — high-priority violation on file	JACKSON CENTER, Shelby, OH	Earliest FRV determination	State
2026-06-24	KOKOSING MATERIALS INC - PLANT 505 — high-priority violation on file	FREDERICKTOWN, Knox, OH	Earliest FRV determination	State
2026-06-24	3 SIGMA LLC PLANT 3 — high-priority violation on file	LANCASTER, Fairfield, OH	Earliest FRV determination	State
2026-06-24	BUNGE NORTH AMERICA — high-priority violation on file	DELPHOS, Van Wert, OH	Earliest FRV determination	State
2026-06-24	INDUSTRIAL CONTAINER SERVICES, LLC — high-priority violation on file	GAHANNA, Franklin, OH	Earliest FRV determination	State
2026-06-24	AMERICAN RHEINMETALL — high-priority violation on file	SAINT MARYS, TOWNSHIP OF, Auglaize, OH	Earliest FRV determination	State
2026-06-24	THE GARLAND COMPANY, INC. — high-priority violation on file	CLEVELAND, Cuyahoga, OH	Earliest FRV determination	State
2026-06-24	ASC ENGINEERED SOLUTIONS — high-priority violation on file	ASHTABULA, Ashtabula, OH	Earliest FRV determination	State
2026-06-24	CHC MANUFACTURING, INC. — high-priority violation on file	CINCINNATI, Hamilton, OH	Earliest FRV determination	State
2026-06-24	CONSOLIDATED PACKAGING GROUP — high-priority violation on file	CINCINNATI, Hamilton, OH	Earliest FRV determination	State
2026-06-24	CUSTOM CAST MARBLEWORKS, EVENDALE — high-priority violation on file	CINCINNATI, Hamilton, OH	Earliest FRV determination	State
2026-06-24	ELEMENT MATERIALS TECHNOLOGY CLEVELAND - MIDDLEBURG — high-priority violation on file	CLEVELAND, Cuyahoga, OH	Earliest FRV determination	State
2026-06-24	FOREST CITY TECHNOLOGIES, PLANT 8 — high-priority violation on file	WELLINGTON, Lorain, OH	Earliest FRV determination	State
2026-06-24	KDM SIGNS, INC. — high-priority violation on file	EVENDALE, Hamilton, OH	Earliest FRV determination	State
2026-06-24	MAZZ SCRAP, LLC - NORTH YARD — high-priority violation on file	AKRON, Summit, OH	Earliest FRV determination	State
2026-06-24	RIVERSIDE METHODIST HOSPITAL — high-priority violation on file	COLUMBUS, Franklin, OH	Earliest FRV determination	State
2026-06-24	SHELLY LIQUID DIVISION — high-priority violation on file	GALLIPOLIS, Gallia, OH	Earliest FRV determination	State
2026-06-24	DEE SIGN COMPANY — high-priority violation on file	WEST CHESTER, TOWNSHIP OF, Butler, OH	Earliest FRV determination	State
2026-06-24	TOLEDO TERMINAL HOLDINGS, LLC — high-priority violation on file	TOLEDO, Lucas, OH	Earliest FRV determination	State
2026-06-24	NSG GLASS NORTH AMERICA, INC. — high-priority violation on file	LUCKEY, Wood, OH	Earliest FRV determination	State
2026-06-24	LIMA REFINING COMPANY — high-priority violation on file	LIMA, Allen, OH	Earliest FRV determination	State
2026-06-24	QUEEN CITY FOAM, INCORPORATED — high-priority violation on file	CINCINNATI, Hamilton, OH	Earliest FRV determination	State
2026-06-24	BLUESCOPE COATED PRODUCTS, LLC — high-priority violation on file	CAMBRIDGE, Guernsey, OH	Earliest FRV determination	State
2026-06-24	TUNNEL HILL RECLAMATION LLC — high-priority violation on file	NEW LEXINGTON, Perry, OH	Earliest FRV determination	State
2026-06-24	ALLIED CORP - PLANT 74A — high-priority violation on file	JACKSON, TOWNSHIP OF, Mahoning, OH	Earliest FRV determination	State
2026-06-24	NEWTON ASPHALT — high-priority violation on file	DOVER, Tuscarawas, OH	Earliest FRV determination	State
2026-06-24	METEOR SEALING SYSTEMS LLC — high-priority violation on file	DOVER, Tuscarawas, OH	Earliest FRV determination	State
2026-06-24	ORION ENGINEERED CARBONS LLC — high-priority violation on file	BELPRE, Washington, OH	Earliest FRV determination	State
2026-06-24	ERAMET MARIETTA, INC. — high-priority violation on file	MARIETTA, Washington, OH	Earliest FRV determination	State
2026-06-24	AJAX - TOCCO MAGNETHERMIC — high-priority violation on file	WARREN, Trumbull, OH	Earliest FRV determination	State
2026-06-24	AMG VANADIUM LLC — high-priority violation on file	CAMBRIDGE, Guernsey, OH	Earliest FRV determination	State
2026-06-24	HA INTERNATIONAL LLC — high-priority violation on file	TOLEDO, Lucas, OH	Earliest FRV determination	State
2026-06-24	ALLIED MOULDED PRODUCTS, INC. — high-priority violation on file	BRYAN, Williams, OH	Earliest FRV determination	State
2026-06-24	CLEVELAND-CLIFFS CLEVELAND WORKS LLC — high-priority violation on file	CLEVELAND, Cuyahoga, OH	Earliest FRV determination	State
2026-06-24	FCA US LLC - TOLEDO CUSTOM SHOP — high-priority violation on file	TOLEDO, Lucas, OH	Earliest FRV determination	State
2026-06-24	MARBLE ARCH PRODUCTS INC. — high-priority violation on file	FRANKLIN, Warren, OH	Earliest FRV determination	State
2026-06-24	SHELLY MATERIALS 21.0089 — high-priority violation on file	PORTAGE, Wood, OH	Earliest FRV determination	State
2026-06-24	FORGE FIRE & COMPANY — high-priority violation on file	BUCYRUS, Crawford, OH	Earliest FRV determination	State
2026-06-24	CLEAN HARBORS RECYCLING SERVICES OF OHIO L.L.C. — high-priority violation on file	HEBRON, Licking, OH	Earliest FRV determination	State
2026-06-24	GUARDIAN LIMA, LLC — high-priority violation on file	LIMA, Allen, OH	Earliest FRV determination	State
2026-06-24	CORRCHOICE, LLC - MASSILLON MILL — high-priority violation on file	MASSILLON, Stark, OH	Earliest FRV determination	State
2026-04-27	CSP INNOVATIONS, INC. — high-priority violation on file	CAREY, Wyandot, OH	HPV day-zero determination	State
2026-03-21	PEPPERIDGE FARM INC.	WILLARD, Huron, OH	HPV day-zero determination	State
2026-03-16	REALTRUCK/ARE NAVARRE — high-priority violation on file	NAVARRE, Stark, OH	Earliest FRV determination	State
2026-03-16	NIPPON PAINT AUTOMOTIVE AMERICAS — high-priority violation on file	CLEVELAND, Cuyahoga, OH	Earliest FRV determination	State
2026-03-16	LIBERTY CASTING INC. — high-priority violation on file	DELAWARE, Delaware, OH	Earliest FRV determination	State
2026-03-16	MIDDLETOWN COKE COMPANY, LLC — high-priority violation on file	MIDDLETOWN, Butler, OH	Earliest FRV determination	State
2026-03-05	INEOS ABS (USA) CORPORATION — high-priority violation on file	ADDYSTON, Hamilton, OH	Earliest FRV determination	State
2026-03-05	DPI PANELS LLC — high-priority violation on file	TOLEDO, Lucas, OH	Earliest FRV determination	State
2026-03-05	BOWERS ASPHALT & PAVING, INC — high-priority violation on file	WALBRIDGE, Wood, OH	Earliest FRV determination	State
2026-02-26	KOKOSING MATERIALS INC - PLANT 514 — high-priority violation on file	GRAND RIVER, Lake, OH	Earliest FRV determination	State
2026-02-26	VIBRANTZ TECHNOLOGIES — high-priority violation on file	CLEVELAND, Cuyahoga, OH	Earliest FRV determination	State
2026-02-26	FIBER-TECH INDUSTRIES INC — high-priority violation on file	WASHINGTON COURT HOUSE, Fayette, OH	Earliest FRV determination	State
2026-02-26	PCS NITROGEN OHIO, L.P. — high-priority violation on file	LIMA, Allen, OH	Earliest FRV determination	State
2026-02-26	DIAMOND POWER INTERNATIONAL INC — high-priority violation on file	LANCASTER, Fairfield, OH	Earliest FRV determination	State
2026-02-26	SOFIDEL AMERICA — high-priority violation on file	CIRCLEVILLE, Pickaway, OH	Earliest FRV determination	State
2026-02-26	ROCKIES EXPRESS PIPELINE - COLUMBUS COMPRESSOR STATION — high-priority violation on file	ASHVILLE, Pickaway, OH	Earliest FRV determination	State
2026-02-26	PPG INDUSTRIES - RESIN — high-priority violation on file	CIRCLEVILLE, Pickaway, OH	Earliest FRV determination	State
2026-02-26	HENKEL US OPERATIONS CORPORATION — high-priority violation on file	MENTOR, Lake, OH	Earliest FRV determination	State
2026-02-26	COUNTYWIDE RECYCLING AND DISPOSAL FACILITY — high-priority violation on file	EAST SPARTA, Stark, OH	Earliest FRV determination	State
2026-02-26	BAIRD BROTHERS SAWMILL INC — high-priority violation on file	CANFIELD, Mahoning, OH	Earliest FRV determination	State
2026-02-26	SHELLY MATERIALS PLANT # 4132 — high-priority violation on file	TOLEDO, Lucas, OH	Earliest FRV determination	State
2026-02-26	MAGNA EXTERIORS ROSSFORD — high-priority violation on file	ROSSFORD, Wood, OH	Earliest FRV determination	State
2026-02-26	STRAWSER MATERIALS - HARMON PLANT — high-priority violation on file	COLUMBUS, Franklin, OH	Earliest FRV determination	State
2026-02-11	CLEVELAND-CLIFFS STEEL CORPORATION — high-priority violation on file	MIDDLETOWN, Butler, OH	Earliest FRV determination	State
2026-02-11	GREAT SAND LLC THOMPSON — high-priority violation on file	THOMPSON, TOWNSHIP OF, Geauga, OH	Earliest FRV determination	State
2026-02-11	NOVELIS ALR RECYCLING OF OHIO LLC — high-priority violation on file	UHRICHSVILLE, Tuscarawas, OH	Earliest FRV determination	State
2026-02-11	PILKINGTON NORTH AMERICA INC — high-priority violation on file	ROSSFORD, Wood, OH	Earliest FRV determination	State
2026-02-11	PILKINGTON NORTH AMERICA INC — high-priority violation on file	ROSSFORD, Wood, OH	Earliest FRV determination	State
2026-01-23	MAGNA EXTERIORS ROSSFORD — high-priority violation on file	ROSSFORD, Wood, OH	Earliest FRV determination	State
2026-01-16	INDUSTRIAL FIBERGLASS SPECIALITIES INC — high-priority violation on file	DAYTON, Montgomery, OH	Earliest FRV determination	State
2026-01-16	INDUSTRIAL FIBERGLASS SPECIALITIES INC — high-priority violation on file	DAYTON, Montgomery, OH	Earliest FRV determination	State
2026-01-16	MOSIER INDUSTRIAL SERVICES — high-priority violation on file	GALION, Crawford, OH	Earliest FRV determination	State
2026-01-16	HAVERHILL COKE COMPANY LLC — high-priority violation on file	FRANKLIN FURNACE, Scioto, OH	Earliest FRV determination	State
2026-01-16	HAVERHILL COKE COMPANY LLC — high-priority violation on file	FRANKLIN FURNACE, Scioto, OH	Earliest FRV determination	State
2026-01-16	HAVERHILL COKE COMPANY LLC — high-priority violation on file	FRANKLIN FURNACE, Scioto, OH	Earliest FRV determination	State
2026-01-16	FRAM — high-priority violation on file	GREENVILLE, Darke, OH	Earliest FRV determination	State
2026-01-12	NORTH COAST CONTAINER LLC — high-priority violation on file	CLEVELAND, Cuyahoga, OH	Earliest FRV determination	State
2026-01-12	ELLIOTT MACHINE WORKS, INC. — high-priority violation on file	GALION, Crawford, OH	Earliest FRV determination	State

Dates as filed by the agency that recorded the violation. Figures from EPA’s ICIS-AIR download.