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

Other years

High-priority air violations recorded in 2026

Date	Facility	Where	Kind	Agency
2026-01-07	SAMPSON FIBERGLASS INCORPORATED — high-priority violation on file	MISHAWAKA, St. Joseph, IN	Earliest FRV determination	State
2026-01-07	FASTENAL COMPANY (AIR) — high-priority violation on file	EDWARDSVILLE, Wyandotte, KS	Earliest FRV determination	State
2026-01-07	DCP OPERATING CO LP / LINDSAY PANTHER CREEK COMPRESSOR STATI — high-priority violation on file	ANTIOCH, Garvin, OK	Earliest FRV determination	State
2026-01-07	BELMONT CENTER FOR TREATMENT — high-priority violation on file	PHILADELPHIA, Philadelphia, PA	Earliest FRV determination	Local
2026-01-07	ARCLIN SURFACES LLC - DILLION FACILITY — high-priority violation on file	DILLON, Marion, SC	Earliest FRV determination	State
2026-01-07	HENKEL US OPERATIONS CORPORATION — high-priority violation on file	BRANDON, Minnehaha, SD	Earliest FRV determination	State
2026-01-06	CARGILL INC-SIOUX CITY — high-priority violation on file	SIOUX CITY, Woodbury, IA	Earliest FRV determination	State
2026-01-06	NAUTILUS POWER LLC — high-priority violation on file	LAKEWOOD, Ocean, NJ	Earliest FRV determination	State
2026-01-06	SYMRISE INC — high-priority violation on file	BRANCHBURG, TOWNSHIP OF, Somerset, NJ	Earliest FRV determination	State
2026-01-06	LINCOLN TRANSFER STATION MATERIALS RECOVERY — high-priority violation on file	NORTH BERGEN, Hudson, NJ	Earliest FRV determination	State
2026-01-06	CARRIAGE PA HOLDING DBA GREEN EARTH CREMATION/DOWNINGTOWN — high-priority violation on file	DOWNINGTOWN, Chester, PA	Earliest FRV determination	State
2026-01-06	THE ESPOMA CO/FRAILEY TWP — high-priority violation on file	HEGINS, Schuylkill, PA	Earliest FRV determination	State
2026-01-06	CENTURY ALUMINUM OF SOUTH CAROLINA INC — high-priority violation on file	GOOSE CREEK, Berkeley, SC	HPV day-zero determination	State
2026-01-06	CRUCIBLE ZINC, LLC — high-priority violation on file	CLARKSVILLE, Montgomery, TN	Earliest FRV determination	State
2026-01-05	ROGERS CORPORATION - ROOSEVELT AVE FACILITY — high-priority violation on file	MARICOPA COUNTY, Maricopa, AZ	Earliest FRV determination	Local
2026-01-05	CHEVRON PRODUCTS COMPANY — high-priority violation on file	RICHMOND, Contra Costa, CA	Earliest FRV determination	Local
2026-01-05	CHEVRON PRODUCTS COMPANY — high-priority violation on file	RICHMOND, Contra Costa, CA	HPV day-zero determination	Local
2026-01-05	PORCELEN SPECRAIL LTD CT LLC — high-priority violation on file	HAMDEN, New Haven, CT	Earliest FRV determination	State
2026-01-05	STEEL DYNAMICS, INC. STRUCTURAL & RAIL DIVISION — high-priority violation on file	COLUMBIA CITY, Whitley, IN	Earliest FRV determination	State
2026-01-05	DUTCH OIL COMPANY, SPRINT MART NUMBER 4144 — high-priority violation on file	COLUMBUS, Lowndes, MS	Earliest FRV determination	State
2026-01-05	COOPERATIVE ENERGY, A MISSISSIPPI ELECTRIC COOPERATIVE, BENNDALE PEAKING STATION — high-priority violation on file	BENNDALE, George, MS	Earliest FRV determination	State
2026-01-05	PHILLIPS 66 (BAYWAY REF/CONOCO) — high-priority violation on file	LINDEN, Union, NJ	Earliest FRV determination	State
2026-01-05	TOM STACK LLC / ANTHEM COMPRESSOR FACILITY — high-priority violation on file	EL RENO, Canadian, OK	Earliest FRV determination	State
2026-01-05	MICHELIN N AMERICA INC / ARDMORE TIRE PLANT — high-priority violation on file	ARDMORE, Carter, OK	Earliest FRV determination	State
2026-01-05	DCP OPERATING CO LP / HOBIT COMPRESSOR STATION — high-priority violation on file	ARNETT, Ellis, OK	Earliest FRV determination	State
2026-01-05	SHELL CHEM APPALACHIA/SHELL POLYMERS MONACA — high-priority violation on file	MONACA, Beaver, PA	HPV day-zero determination	State
2026-01-03	PH BROUGHTON & SONS INC — high-priority violation on file	SPRINGFIELD, Sangamon, IL	Earliest FRV determination	State
2026-01-02	ECO-VISTA, LLC - WASTE MANAGEMENT OF ARKANSAS, INC. — high-priority violation on file	SPRINGDALE, Washington, AR	Earliest FRV determination	State
2026-01-02	WEST CONTRA COSTA SANITARY LANDFILL — high-priority violation on file	RICHMOND, Contra Costa, CA	HPV day-zero determination	Local
2026-01-02	WEST CONTRA COSTA SANITARY LANDFILL — high-priority violation on file	RICHMOND, Contra Costa, CA	HPV day-zero determination	Local
2026-01-02	CLEARWATER PAPER CORPORATION - AUGUSTA MILL — high-priority violation on file	AUGUSTA, Richmond, GA	HPV day-zero determination	State
2026-01-02	HYCAST FOUNDRY — high-priority violation on file	FAIRFIELD, Jefferson, IA	HPV day-zero determination	State
2026-01-02	LPS INDUSTRIES, INC. — high-priority violation on file	MOONACHIE, Bergen, NJ	Earliest FRV determination	State
2026-01-02	RED HILLS GAS PROCESSING PLANT — high-priority violation on file	JAL, Lea, NM	HPV day-zero determination	State
2026-01-02	DCP OPERATING CO LP / CHITWOOD GAS PLANT — high-priority violation on file	ALEX, Grady, OK	Earliest FRV determination	State
2026-01-02	KIMBERLY CLARK CORP / JENKS FACILITY — high-priority violation on file	JENKS, Tulsa, OK	Earliest FRV determination	State
2026-01-01	GRAIN PROCESSING CORP — high-priority violation on file	MUSCATINE, Muscatine, IA	HPV day-zero determination	State

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