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
2026-07-08	BITUMAR USA — high-priority violation on file	NORTH KINGSTOWN, Washington, RI	Earliest FRV determination	State
2026-07-08	SC STEEL LLC — high-priority violation on file	TAYLORS, Greenville, SC	Earliest FRV determination	State
2026-07-08	TRANSFORMER MAINTENANCE & SERVICE, INC. — high-priority violation on file	MOORESBURG, Hawkins, TN	Earliest FRV determination	State
2026-07-08	PORT ARTHUR REFINERY — high-priority violation on file	PORT ARTHUR, Jefferson, TX	Earliest FRV determination	State
2026-07-08	PORT TOWNSEND PAPER CORPORATION — high-priority violation on file	PORT TOWNSEND, Jefferson, WA	Earliest FRV determination	State
2026-07-08	PORT TOWNSEND PAPER CORPORATION — high-priority violation on file	PORT TOWNSEND, Jefferson, WA	Earliest FRV determination	State
2026-07-08	PORT TOWNSEND PAPER CORPORATION — high-priority violation on file	PORT TOWNSEND, Jefferson, WA	Earliest FRV determination	State
2026-07-07	CHEVRON PRODUCTS COMPANY — high-priority violation on file	RICHMOND, Contra Costa, CA	Earliest FRV determination	Local
2026-07-07	CHEVRON PRODUCTS COMPANY — high-priority violation on file	RICHMOND, Contra Costa, CA	Earliest FRV determination	Local
2026-07-07	POET BIOREFINING - LIBERTY (EMMETSBURG) — high-priority violation on file	EMMETSBURG, Palo Alto, IA	Earliest FRV determination	State
2026-07-07	HYCAST FOUNDRY — high-priority violation on file	FAIRFIELD, Jefferson, IA	HPV day-zero determination	State
2026-07-07	DALTON CORPORATION WARSAW MANUFACTURING FACILITY — high-priority violation on file	WARSAW, Kosciusko, IN	Earliest FRV determination	State
2026-07-07	BRAUN INDUSTRIES, INC. — high-priority violation on file	VAN WERT, Van Wert, OH	HPV day-zero determination	State
2026-07-07	ALAN MCILVAIN/MARCUS HOOK — high-priority violation on file	MARCUS HOOK, Delaware, PA	Earliest FRV determination	State
2026-07-07	HEIDELBERG MTLS NORTHEAST PA/PENNS PARK PLT — high-priority violation on file	PENNS PARK, Bucks, PA	Earliest FRV determination	State
2026-07-07	SPECIALTY VERMICULITE LLC — high-priority violation on file	ENOREE, Laurens, SC	Earliest FRV determination	State
2026-07-07	WASTEQUIP MANUFACTURING COMPANY LLC — high-priority violation on file	EAGLEVILLE, Rutherford, TN	Earliest FRV determination	State
2026-07-07	ACCREDO PACKAGING — high-priority violation on file	SUGAR LAND, Fort Bend, TX	Earliest FRV determination	State
2026-07-07	DOMINION/ODEC - CLOVER POWER STATION — high-priority violation on file	CLOVER, Halifax, VA	Earliest FRV determination	State
2026-07-07	VORTEQ COIL FINISHERS — high-priority violation on file	OCONOMOWOC, Waupaca, WI	HPV day-zero determination	State
2026-07-07	VORTEQ COIL FINISHERS — high-priority violation on file	OCONOMOWOC, Waupaca, WI	HPV day-zero determination	State
2026-07-07	VORTEQ COIL FINISHERS — high-priority violation on file	OCONOMOWOC, Waupaca, WI	Earliest FRV determination	State
2026-07-07	VORTEQ COIL FINISHERS — high-priority violation on file	OCONOMOWOC, Waupaca, WI	HPV day-zero determination	State
2026-07-07	VORTEQ COIL FINISHERS — high-priority violation on file	OCONOMOWOC, Waupaca, WI	HPV day-zero determination	State
2026-07-07	VORTEQ COIL FINISHERS — high-priority violation on file	OCONOMOWOC, Waupaca, WI	Earliest FRV determination	State
2026-07-07	VORTEQ COIL FINISHERS — high-priority violation on file	OCONOMOWOC, Waupaca, WI	HPV day-zero determination	State
2026-07-07	SECOND STERLING CORPORATION, KEYSTONE #1 — high-priority violation on file	KEYSTONE, McDowell, WV	Earliest FRV determination	State
2026-07-06	TESLA MOTORS, INC — high-priority violation on file	FREMONT, Alameda, CA	HPV day-zero determination	Local
2026-07-06	TSUDA USA CORPORATION — high-priority violation on file	GREENFIELD, Hancock, IN	Earliest FRV determination	State
2026-07-06	ROGERS GROUP INC - GREER ASPHALT — high-priority violation on file	GREER, Greenville, SC	Earliest FRV determination	State
2026-07-06	CORRIGAN OSB — high-priority violation on file	CORRIGAN, Polk, TX	Earliest FRV determination	State
2026-07-04	MIDWEST CRUSHING & SCREENING — high-priority violation on file	CRESTWOOD, Cook, IL	Earliest FRV determination	State
2026-07-03	SOUTH BEND ETHANOL LLC — high-priority violation on file	SOUTH BEND, St. Joseph, IN	HPV day-zero determination	State
2026-07-03	CLEVELAND CLIFFS MONESSEN COKE LLC/MONESSEN COKE PLT — high-priority violation on file	MONESSEN, Westmoreland, PA	Earliest FRV determination	State
2026-07-02	KEYSTONE HOMES - ACI — high-priority violation on file	ARCHDALE, Randolph, NC	Earliest FRV determination	State
2026-07-02	GREEN PLAINS YORK LLC — high-priority violation on file	YORK, York, NE	HPV day-zero determination	State
2026-07-02	THE DUDE PROCESSING PLANT — high-priority violation on file	MONUMENT, Lea, NM	Earliest FRV determination	State
2026-07-02	OWEN STEEL COMPANY, INC. — high-priority violation on file	COLUMBIA, Richland, SC	Earliest FRV determination	State
2026-07-01	INTAT PRECISION INCORPORATED — high-priority violation on file	RUSHVILLE, Rush, IN	Earliest FRV determination	State
2026-07-01	CANADIAN SOLAR US CELL MANUFACTURING CORPORATION — high-priority violation on file	JEFFERSONVILLE, Clark, IN	Earliest FRV determination	State
2026-07-01	CUSTOM BUILDING PRODUCTS — high-priority violation on file	FRANKFORT, Clinton, IN	Earliest FRV determination	State
2026-07-01	JASPER RUBBER PRODUCTS INC — high-priority violation on file	JASPER, Dubois, IN	Earliest FRV determination	State
2026-07-01	ABRASIVE PROCESSING AND TECHNOLOGIES — high-priority violation on file	FORTVILLE, Hancock, IN	Earliest FRV determination	State
2026-07-01	HIBBING INTERNATIONAL FRICTION — high-priority violation on file	NEW CASTLE, Henry, IN	Earliest FRV determination	State
2026-07-01	MALARKEY ROOFING PRODUCTS — high-priority violation on file	FRANKLIN, Johnson, IN	Earliest FRV determination	State
2026-07-01	HEIDELBERG MATERIALS US CEMENT LLC — high-priority violation on file	ANDERSON, Madison, IN	Earliest FRV determination	State
2026-07-01	METALWORKING LUBRICANTS COMPANY — high-priority violation on file	INDIANAPOLIS, Marion, IN	Earliest FRV determination	State
2026-07-01	CALCAR QUARRY — high-priority violation on file	PAOLI, Orange, IN	Earliest FRV determination	State
2026-07-01	R MIX — high-priority violation on file	CAMBRIDGE CITY, Wayne, IN	Earliest FRV determination	State
2026-07-01	AVALIGN INSTRUMENTS AND IMPLANTS — high-priority violation on file	FORT WAYNE, Allen, IN	Earliest FRV determination	State
2026-07-01	PIXELLE SPEC SOLUTIONS LLC/SPRING GROVE — high-priority violation on file	SPRING GROVE, York, PA	HPV day-zero determination	State
2026-07-01	VALLEY QUEEN CHEESE FACTORY INC. — high-priority violation on file	MILBANK, Grant, SD	Earliest FRV determination	State
2026-07-01	DYNAMIC RECYCLING, LLC — high-priority violation on file	BRISTOL, Sullivan, TN	Earliest FRV determination	State
2026-07-01	KURARAY LA PORTE — high-priority violation on file	LA PORTE, Harris, TX	Earliest FRV determination	State
2026-07-01	MCKINLEY PAPER COMPANY — high-priority violation on file	PORT ANGELES, Clallam, WA	Earliest FRV determination	Local
2026-07-01	CARMEUSE LIME AND STONE - ROCKWELL OPERATION — high-priority violation on file	MANITOWOC, Manitowoc, WI	Earliest FRV determination	State
2026-07-01	CARMEUSE LIME AND STONE - ROCKWELL OPERATION — high-priority violation on file	MANITOWOC, Manitowoc, WI	Earliest FRV determination	State
2026-07-01	WISCONSIN ALUMINUM FOUNDRY — high-priority violation on file	MANITOWOC, Manitowoc, WI	Earliest FRV determination	State
2026-07-01	WISCONSIN ALUMINUM FOUNDRY — high-priority violation on file	MANITOWOC, Manitowoc, WI	Earliest FRV determination	State
2026-07-01	WISCONSIN ALUMINUM FOUNDRY — high-priority violation on file	MANITOWOC, Manitowoc, WI	Earliest FRV determination	State
2026-06-30	HARTFORD WATER POLLUTION CONTROL FACILITY — high-priority violation on file	HARTFORD, Hartford, CT	HPV day-zero determination	State
2026-06-30	ROYAL ADHESIVES AND SEALANTS COMPANY LLC — high-priority violation on file	SOUTH BEND, St. Joseph, IN	Earliest FRV determination	State
2026-06-30	ALPEK POLYESTER MISSISSIPPI INC — high-priority violation on file	BAY ST. LOUI, Hancock, MS	Earliest FRV determination	State
2026-06-30	OMEGA PROTEIN, INC — high-priority violation on file	MOSS POINT, Jackson, MS	Earliest FRV determination	State
2026-06-30	AMAZON DATA SERVICES INC, MADISON MEGA SITE — high-priority violation on file	CANTON, Madison, MS	Earliest FRV determination	State
2026-06-30	CHEROKEE PHARM LLC/RIVERSIDE BORO PLT — high-priority violation on file	RIVERSIDE, Northumberland, PA	Earliest FRV determination	State
2026-06-30	LANCASTER CNTY SWMA/FREY FARM CRESWELL LDFL	CONESTOGA, Lancaster, PA	HPV day-zero determination	State
2026-06-30	WOODLAND CABINETRY — high-priority violation on file	SISSETON, Roberts, SD	Earliest FRV determination	State
2026-06-30	BEAUMONT GAS TO GASOLINE PLANT — high-priority violation on file	BEAUMONT, Jefferson, TX	Earliest FRV determination	State
2026-06-30	IRON MOUNTAIN INFORMATION MANAGEMENT LLC — high-priority violation on file	MANASSAS, Prince William, VA	Earliest FRV determination	State
2026-06-29	TESORO ALASKA COMPANY, LLC / KENAI REFINERY — high-priority violation on file	KENAI, Kenai Peninsula, AK	Earliest FRV determination	State
2026-06-29	TESORO ALASKA COMPANY, LLC / KENAI REFINERY — high-priority violation on file	KENAI, Kenai Peninsula, AK	Earliest FRV determination	State
2026-06-29	TESORO ALASKA COMPANY, LLC / KENAI REFINERY — high-priority violation on file	KENAI, Kenai Peninsula, AK	Earliest FRV determination	State
2026-06-29	GLENDALE MUN SANITARY LANDFILL/FLD OPER — high-priority violation on file	MARICOPA COUNTY, Maricopa, AZ	Earliest FRV determination	Local
2026-06-29	LUKE AFB - 56TH FIGHTER WING — high-priority violation on file	MARICOPA COUNTY, Maricopa, AZ	Earliest FRV determination	Local
2026-06-29	PATRICIAN MARBLE — high-priority violation on file	MARICOPA COUNTY, Maricopa, AZ	Earliest FRV determination	Local
2026-06-29	GILA RIVER POWER STATION — high-priority violation on file	MARICOPA COUNTY, Maricopa, AZ	Earliest FRV determination	Local
2026-06-29	GEORGIA-PACIFIC PALATKA LLC — high-priority violation on file	PALATKA, Putnam, FL	Earliest FRV determination	State
2026-06-29	INDIANA AUTOMOTIVE FASTENERS INC — high-priority violation on file	GREENFIELD, Hancock, IN	Earliest FRV determination	State
2026-06-29	SAINT ELIZABETH MEDICAL CENTER - EDGEWOOD — high-priority violation on file	EDGEWOOD (KENTON), Kenton, KY	Earliest FRV determination	State
2026-06-29	PROGRESS RAIL SERVICES CORP — high-priority violation on file	MAYFIELD, Graves, KY	Earliest FRV determination	State
2026-06-29	CAL CHLOR CORP — high-priority violation on file	NEW BRUNSWICK, Middlesex, NJ	Earliest FRV determination	State
2026-06-29	SHERWIN WILLIAMS ENNIS PLANT — high-priority violation on file	ENNIS, Ellis, TX	Earliest FRV determination	State
2026-06-27	SHELL CHEM APPALACHIA/SHELL POLYMERS MONACA — high-priority violation on file	MONACA, Beaver, PA	HPV day-zero determination	State
2026-06-26	HILCORP ALASKA, LLC / CENTRAL GAS FACILITY (CGF) — high-priority violation on file	NORTH SLOPE BOROUGH, North Slope, AK	Earliest FRV determination	State
2026-06-26	NORTH SLOPE BOROUGH / ANAKTUVUK PASS POWER PLANT — high-priority violation on file	NORTH SLOPE BOROUGH, North Slope, AK	Earliest FRV determination	State
2026-06-26	GREAT DANE TRAILERS — high-priority violation on file	BRAZIL, Clay, IN	Earliest FRV determination	State
2026-06-26	CUSTOM ENGR CO/ERIE FABRICATION — high-priority violation on file	ERIE, Erie, PA	Earliest FRV determination	State
2026-06-26	GLENN O HAWBAKER INC/ARMSTRONG TWP CRUSHING PLT — high-priority violation on file	SOUTH WILLIAMSPORT, Lycoming, PA	Earliest FRV determination	State
2026-06-26	XPRESS NATURAL GAS LLC/MONTROSE — high-priority violation on file	MONTROSE, Susquehanna, PA	Earliest FRV determination	State
2026-06-26	727 NORRISTOWN RD LP/SPRINGHOUSE TECH PARK — high-priority violation on file	LOWER GWYNEDD, Montgomery, PA	Earliest FRV determination	State
2026-06-26	OSHKOSH DEFENSE LLC — high-priority violation on file	SPARTANBURG, Spartanburg, SC	Earliest FRV determination	State
2026-06-26	LEWIS BROTHERS BAKERIES INCORPORATED OF TENNESSEE — high-priority violation on file	MURFREESBORO, Rutherford, TN	HPV day-zero determination	State
2026-06-26	MARSHALL & BRUCE CO — high-priority violation on file	NASHVILLE, Davidson, TN	Earliest FRV determination	Local
2026-06-26	CROWN BAKERIES MUSIC CITY — high-priority violation on file	NASHVILLE, Davidson, TN	Earliest FRV determination	Local
2026-06-25	COMPLETE ENVIRONMENTAL TESTING, INC. — high-priority violation on file	STRATFORD, Fairfield, CT	Earliest FRV determination	State
2026-06-25	O & G INDUSTRIES - STAMFORD PLANT — high-priority violation on file	STAMFORD, Fairfield, CT	Earliest FRV determination	State
2026-06-25	NALCO CO LLC — high-priority violation on file	NAPERVILLE, DuPage, IL	Earliest FRV determination	State
2026-06-25	SCHELL & KAMPETER INCORPORATED DBA DIAMOND PET FOODS — high-priority violation on file	RUSHVILLE, Rush, IN	Earliest FRV determination	State
2026-06-25	TG MISSOURI CORPORATION — high-priority violation on file	PERRYVILLE, Perry, MO	Earliest FRV determination	State

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