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 |
|---|---|---|---|---|
| 2026-04-28 | MARTINEZ REFINING COMPANY LLC (PREVIOUSLY SHELL OIL PRODUCTS US, MARTINEZ REF.) — high-priority violation on file | MARTINEZ, Contra Costa, CA | HPV day-zero determination | Local |
| 2026-04-28 | REWORLD CONNECTICUT COMPANY — high-priority violation on file | PRESTON, New London, CT | Earliest FRV determination | State |
| 2026-04-28 | CPV THREE RIVERS ENERGY CENTER — high-priority violation on file | MORRIS, Grundy, IL | Earliest FRV determination | State |
| 2026-04-28 | SILVER CROSS HOSPITAL — high-priority violation on file | NEW LENOX, Will, IL | Earliest FRV determination | State |
| 2026-04-28 | INSEAL — high-priority violation on file | ELKHART, Elkhart, IN | Earliest FRV determination | State |
| 2026-04-28 | HEIDELBERG MATERIALS US CEMENT LLC — high-priority violation on file | MITCHELL, Lawrence, IN | HPV day-zero determination | State |
| 2026-04-28 | HANSEN MUELLER KANSAS CITY ELEVATOR — high-priority violation on file | KANSAS CITY, Jackson, MO | Earliest FRV determination | State |
| 2026-04-28 | RAUSCH CREEK GENERATION LLC/FRAILEY TWP — high-priority violation on file | TREMONT, Schuylkill, PA | Earliest FRV determination | State |
| 2026-04-28 | ASPEN AEROGELS, INC. — high-priority violation on file | EAST PROVIDENCE, Providence, RI | Earliest FRV determination | State |
| 2026-04-28 | BLB INVESTORS, LLC. — high-priority violation on file | LINCOLN, TOWN OF, Providence, RI | Earliest FRV determination | State |
| 2026-04-28 | CINTAS — high-priority violation on file | CUMBERLAND, Providence, RI | Earliest FRV determination | State |
| 2026-04-28 | RHODE ISLAND BLOOD CENTER — high-priority violation on file | PROVIDENCE, Providence, RI | Earliest FRV determination | State |
| 2026-04-28 | SENESCO MARINE — high-priority violation on file | NORTH KINGSTOWN, Washington, RI | Earliest FRV determination | State |
| 2026-04-28 | MURDOCK WEBBING — high-priority violation on file | CENTRAL FALLS, Providence, RI | Earliest FRV determination | State |
| 2026-04-27 | ECO-VISTA, LLC - WASTE MANAGEMENT OF ARKANSAS, INC. — high-priority violation on file | SPRINGDALE, Washington, AR | Earliest FRV determination | State |
| 2026-04-27 | REPUBLIC SERVICES VASCO ROAD, LLC — high-priority violation on file | LIVERMORE, Alameda, CA | HPV day-zero determination | Local |
| 2026-04-27 | MID AMERICAN ENERGY CO-SALIX — high-priority violation on file | SALIX, Woodbury, IA | Earliest FRV determination | State |
| 2026-04-27 | ROCHESTER METAL PRODUCTS CORPORATION — high-priority violation on file | ROCHESTER, Fulton, IN | Earliest FRV determination | State |
| 2026-04-27 | ASTEMO INDIANA INC — high-priority violation on file | GREENFIELD, Hancock, IN | Earliest FRV determination | State |
| 2026-04-27 | POET BIOREFINING SHELBYVILLE LLC — high-priority violation on file | SHELBYVILLE, Shelby, IN | Earliest FRV determination | State |
| 2026-04-27 | RHN CLARK MEMORIAL HOSPITAL LLC DBA CLARK MEMORIAL HOSPITAL — high-priority violation on file | JEFFERSONVILLE, Clark, IN | Earliest FRV determination | State |
| 2026-04-27 | EDWARDS WOOD PRODUCTS, INC. - PEACHLAND | PEACHLAND, Anson, NC | Earliest FRV determination | State |
| 2026-04-27 | STA SEAL INC — high-priority violation on file | EDISON, Middlesex, NJ | Earliest FRV determination | State |
| 2026-04-27 | NORTHWEST BERGEN COUNTY SEWER AUTHORITY — high-priority violation on file | WALDWICK, Bergen, NJ | Earliest FRV determination | State |
| 2026-04-27 | CSP INNOVATIONS, INC. — high-priority violation on file | CAREY, Wyandot, OH | HPV day-zero determination | State |
| 2026-04-27 | JOHNSON MATTHEY INC/SMITHFIELD — high-priority violation on file | SMITHFIELD, Fayette, PA | Earliest FRV determination | State |
| 2026-04-27 | PA GRAIN PROCESSING LLC/CLEARFIELD BORO ETHANOL PROD PLT — high-priority violation on file | CLEARFIELD, Clearfield, PA | Earliest FRV determination | State |
| 2026-04-27 | EQUITRANS LP/RAGER MTN LAUREL RIDGE STA — high-priority violation on file | JOHNSTOWN, Cambria, PA | Earliest FRV determination | State |
| 2026-04-27 | LITTLE SIX CORPORATION — high-priority violation on file | MOORESBURG, Hawkins, TN | Earliest FRV determination | State |
| 2026-04-27 | NEW BRAUNFELS LIME PLANT — high-priority violation on file | NEW BRAUNFELS, Comal, TX | Earliest FRV determination | State |
| 2026-04-27 | FHR CORPUS CHRISTI WEST REFINERY — high-priority violation on file | CORPUS CHRISTI, Nueces, TX | Earliest FRV determination | State |
| 2026-04-24 | TESLA MOTORS, INC — high-priority violation on file | FREMONT, Alameda, CA | HPV day-zero determination | Local |
| 2026-04-24 | SACRAMENTO MUNICIPAL UTILITY DIST. FINANCING AUTHORITY DBA PROCTER GAMBLE POWER — high-priority violation on file | SACRAMENTO, Sacramento, CA | Earliest FRV determination | Local |
| 2026-04-24 | STA SEAL INC — high-priority violation on file | EDISON, Middlesex, NJ | Earliest FRV determination | State |
| 2026-04-24 | PHILADELPHIA SIGN CO — high-priority violation on file | PALMYRA, Burlington, NJ | Earliest FRV determination | State |
| 2026-04-24 | PHILADELPHIA SIGN CO — high-priority violation on file | PALMYRA, Burlington, NJ | Earliest FRV determination | State |
| 2026-04-24 | NG ADVANTAGE/SPRINGVILLE — high-priority violation on file | SPRINGVILLE, Susquehanna, PA | Earliest FRV determination | State |
| 2026-04-24 | KING ASPHALT INC - MULLINS — high-priority violation on file | MULLINS, Marion, SC | Earliest FRV determination | State |
| 2026-04-23 | VALERO REFINING COMPANY - CALIFORNIA — high-priority violation on file | BENICIA, Solano, CA | HPV day-zero determination | Local |
| 2026-04-23 | VALERO REFINING COMPANY - CALIFORNIA — high-priority violation on file | BENICIA, Solano, CA | HPV day-zero determination | Local |
| 2026-04-23 | CHEVRON PRODUCTS COMPANY — high-priority violation on file | RICHMOND, Contra Costa, CA | HPV day-zero determination | Local |
| 2026-04-23 | MONTGOMERY COUNTY RRF — high-priority violation on file | DICKERSON, Montgomery, MD | HPV day-zero determination | State |
| 2026-04-23 | SUPERIOR REFINING COMPANY LLC — high-priority violation on file | SUPERIOR, Douglas, WI | Earliest FRV determination | State |
| 2026-04-22 | HELCO - KEAHOLE — high-priority violation on file | KAILUA KONA, Hawaii, HI | Earliest FRV determination | State |
| 2026-04-22 | THE ANDERSONS RENEWABLES LLC — high-priority violation on file | LOGANSPORT, Cass, IN | Earliest FRV determination | State |
| 2026-04-22 | M. LUIS PRODUCTS, LLC — high-priority violation on file | ROCKVILLE, Montgomery, MD | Earliest FRV determination | State |
| 2026-04-22 | SHAMOKIN FILLER CO/SHAMOKIN COAL PREP PLT — high-priority violation on file | SHAMOKIN, Northumberland, PA | Earliest FRV determination | State |
| 2026-04-22 | CLEAN EARTH OF SOUTHEAST PA/MORRISVILLE — high-priority violation on file | MORRISVILLE, Bucks, PA | Earliest FRV determination | State |
| 2026-04-22 | RUSSO, B. PAD 1 — high-priority violation on file | SPRINGVILLE, Susquehanna, PA | Earliest FRV determination | State |
| 2026-04-22 | MACLEAN POWER SYSTEMS - NEWBERRY PLANT — high-priority violation on file | NEWBERRY, Newberry, SC | Earliest FRV determination | State |
| 2026-04-22 | AMCOR WISCONSIN, LLC - BOSCOBEL — high-priority violation on file | BOSCOBEL, Grant, WI | Earliest FRV determination | State |
| 2026-04-22 | AMCOR WISCONSIN, LLC - BOSCOBEL — high-priority violation on file | BOSCOBEL, Grant, WI | Earliest FRV determination | State |
| 2026-04-21 | ECO-VISTA, LLC - WASTE MANAGEMENT OF ARKANSAS, INC. — high-priority violation on file | SPRINGDALE, Washington, AR | Earliest FRV determination | State |
| 2026-04-21 | GILA RIVER POWER STATION — high-priority violation on file | MARICOPA COUNTY, Maricopa, AZ | Earliest FRV determination | Local |
| 2026-04-21 | OLD TOWN FIBERGLASS — high-priority violation on file | MARICOPA COUNTY, Maricopa, AZ | Earliest FRV determination | Local |
| 2026-04-21 | PHX01 / PHX02 / PHX03 / PHX05 — high-priority violation on file | MARICOPA COUNTY, Maricopa, AZ | Earliest FRV determination | Local |
| 2026-04-21 | GUADALUPE RUBBISH DISPOSAL — high-priority violation on file | SAN JOSE, Santa Clara, CA | HPV day-zero determination | Local |
| 2026-04-21 | PROCTER & GAMBLE PAPER PRODUCTS — high-priority violation on file | OXNARD, Ventura, CA | Earliest FRV determination | Local |
| 2026-04-21 | METRO PARK EAST LANDFILL — high-priority violation on file | MITCHELLVILLE, Polk, IA | Earliest FRV determination | State |
| 2026-04-21 | POET BIOREFINING - GOWRIE, LLC — high-priority violation on file | GOWRIE, Webster, IA | Earliest FRV determination | State |
| 2026-04-21 | INDIAN MOTORCYCLE LLC — high-priority violation on file | SPIRIT LAKE, Dickinson, IA | Earliest FRV determination | State |
| 2026-04-21 | CHEM-PLATE INDUSTRIES INC — high-priority violation on file | ELK GROVE VILLAGE, Cook, IL | Earliest FRV determination | State |
| 2026-04-21 | GORE, W.L. - CHERRY HILL PLANT — high-priority violation on file | ELKTON, Cecil, MD | HPV day-zero determination | State |
| 2026-04-21 | MARKWEST LIBERTY MIDSTREAM & RESOURCES/HARMON CREEK GAS PLT — high-priority violation on file | BULGER, Washington, PA | Earliest FRV determination | State |
| 2026-04-21 | SHELL CHEM APPALACHIA/SHELL POLYMERS MONACA — high-priority violation on file | MONACA, Beaver, PA | HPV day-zero determination | State |
| 2026-04-21 | PANELTECH — high-priority violation on file | HOQUIAM, Grays Harbor, WA | Earliest FRV determination | Local |
| 2026-04-20 | MARTINEZ REFINING COMPANY LLC (PREVIOUSLY SHELL OIL PRODUCTS US, MARTINEZ REF.) — high-priority violation on file | MARTINEZ, Contra Costa, CA | HPV day-zero determination | Local |
| 2026-04-20 | MARTINEZ REFINING COMPANY LLC (PREVIOUSLY SHELL OIL PRODUCTS US, MARTINEZ REF.) — high-priority violation on file | MARTINEZ, Contra Costa, CA | HPV day-zero determination | Local |
| 2026-04-20 | SUMMIT DJ-S - JACKSON LAKE GAS PLANT — high-priority violation on file | WELDONA, Morgan, CO | Earliest FRV determination | State |
| 2026-04-20 | REAL FLEET SOLUTIONS, LLC | COCOA, Brevard, FL | Earliest FRV determination | State |
| 2026-04-20 | MARATHON PETROLEUM CO LLC — high-priority violation on file | ROBINSON, Crawford, IL | Earliest FRV determination | State |
| 2026-04-20 | CARMEUSE LIME & STONE INC — high-priority violation on file | MAYSVILLE, Mason, KY | Earliest FRV determination | State |
| 2026-04-20 | SIOUXLAND ETHANOL LLC — high-priority violation on file | JACKSON, Dakota, NE | Earliest FRV determination | State |
| 2026-04-20 | FRENCHMAN VALLEY FARMERS CO-OP — high-priority violation on file | CHAPPELL, Deuel, NE | Earliest FRV determination | State |
| 2026-04-20 | NEBRASKA CORN PROCESSING LLC — high-priority violation on file | CAMBRIDGE, Furnas, NE | Earliest FRV determination | State |
| 2026-04-20 | IMTT BAYONNE — high-priority violation on file | BAYONNE, Hudson, NJ | Earliest FRV determination | State |
| 2026-04-20 | PALMETTO CORPORATION OF CONWAY - ORANGEBURG PLANT — high-priority violation on file | BOWMAN, Orangeburg, SC | Earliest FRV determination | State |
| 2026-04-20 | HEAD, INC. - CONCRETE BATCH PLANT NO. 1500 — high-priority violation on file | EASTOVER, Richland, SC | Earliest FRV determination | State |
| 2026-04-18 | WORKHORSE GROUP INCORPORATED — high-priority violation on file | UNION CITY, Randolph, IN | Earliest FRV determination | State |
| 2026-04-17 | IMTT ILLINOIS — high-priority violation on file | CHANNAHON, Will, IL | Earliest FRV determination | State |
| 2026-04-17 | PACTIV LLC | GREENSBORO, Guilford, NC | Earliest FRV determination | State |
| 2026-04-17 | SUMMIT HEALTH — high-priority violation on file | CLIFTON, Passaic, NJ | Earliest FRV determination | State |
| 2026-04-17 | SQUIER, R. PAD 1 — high-priority violation on file | KINGSLEY, Susquehanna, PA | Earliest FRV determination | State |
| 2026-04-17 | HUB CITY ENERGY, LLC — high-priority violation on file | ABERDEEN, Brown, SD | Earliest FRV determination | State |
| 2026-04-17 | HUB CITY ENERGY, LLC — high-priority violation on file | ABERDEEN, Brown, SD | Earliest FRV determination | State |
| 2026-04-16 | CHEVRON PRODUCTS COMPANY — high-priority violation on file | RICHMOND, Contra Costa, CA | HPV day-zero determination | Local |
| 2026-04-16 | CHEVRON PRODUCTS COMPANY — high-priority violation on file | RICHMOND, Contra Costa, CA | HPV day-zero determination | Local |
| 2026-04-16 | CHEVRON PRODUCTS COMPANY — high-priority violation on file | RICHMOND, Contra Costa, CA | HPV day-zero determination | Local |
| 2026-04-16 | CHEVRON PRODUCTS COMPANY — high-priority violation on file | RICHMOND, Contra Costa, CA | HPV day-zero determination | Local |
| 2026-04-16 | CHEVRON PRODUCTS COMPANY — high-priority violation on file | RICHMOND, Contra Costa, CA | HPV day-zero determination | Local |
| 2026-04-16 | PHILLIPS 66 COMPANY - SAN FRANCISCO REFINERY — high-priority violation on file | RODEO, Contra Costa, CA | HPV day-zero determination | Local |
| 2026-04-16 | TESORO REFINING & MARKETING COMPANY — high-priority violation on file | MARTINEZ, Contra Costa, CA | HPV day-zero determination | Local |
| 2026-04-16 | SACRAMENTO MUNICIPAL UTILITY DIST. FINANCING AUTHORITY DBA PROCTER GAMBLE POWER — high-priority violation on file | SACRAMENTO, Sacramento, CA | Earliest FRV determination | Local |
| 2026-04-16 | FLORIDA POWER & LIGHT (PMR) | INDIANTOWN, Martin, FL | Earliest FRV determination | State |
| 2026-04-16 | RICHMOND INDUSTRIES INC — high-priority violation on file | DAYTON, Middlesex, NJ | Earliest FRV determination | State |
| 2026-04-16 | CITIGROUP TECHNOLOGY, INC. — high-priority violation on file | NEW YORK, New York, NY | Earliest FRV determination | State |
| 2026-04-16 | NEW CASTLE RECYCLING INC/NEW CASTLE — high-priority violation on file | NEW CASTLE, Lawrence, PA | Earliest FRV determination | State |
| 2026-04-16 | MOUNTAIN GATHERING WELL PAD/BUTLER — high-priority violation on file | RENFREW, Butler, PA | Earliest FRV determination | State |
| 2026-04-16 | TRANTECH RADIATOR PRODUCTS INC — high-priority violation on file | EDGEFIELD, Edgefield, SC | Earliest FRV determination | State |
| 2026-04-16 | BEFESA ZINC US INC. — high-priority violation on file | ROCKWOOD, Roane, TN | Earliest FRV determination | State |
Dates as filed by the agency that recorded the violation. Figures from EPA’s ICIS-AIR download.