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 |
|---|---|---|---|---|
| 2026-05-13 | HEIDELBERG MATERIALS US CEMENT LLC — high-priority violation on file | MASON CITY, Cerro Gordo, IA | HPV day-zero determination | State |
| 2026-05-13 | BRICKCRAFT INC — high-priority violation on file | CENTER POINT, Clay, IN | Earliest FRV determination | State |
| 2026-05-13 | UNIVERSAL BEARINGS LLC — high-priority violation on file | BREMEN, Marshall, IN | Earliest FRV determination | State |
| 2026-05-13 | TECH TUBE INC/UPPER MERION — high-priority violation on file | KING OF PRUSSIA, Montgomery, PA | Earliest FRV determination | State |
| 2026-05-13 | SPRAY TEK INC/BETHLEHEM — high-priority violation on file | BETHLEHEM, Northampton, PA | Earliest FRV determination | State |
| 2026-05-12 | PHILLIPS 66 COMPANY - SAN FRANCISCO REFINERY — high-priority violation on file | RODEO, Contra Costa, CA | HPV day-zero determination | Local |
| 2026-05-12 | PHILLIPS 66 COMPANY - SAN FRANCISCO REFINERY — high-priority violation on file | RODEO, Contra Costa, CA | HPV day-zero determination | Local |
| 2026-05-12 | PHILLIPS 66 COMPANY - SAN FRANCISCO REFINERY — high-priority violation on file | RODEO, Contra Costa, CA | HPV day-zero determination | Local |
| 2026-05-12 | PHILLIPS 66 COMPANY - SAN FRANCISCO REFINERY — high-priority violation on file | RODEO, Contra Costa, CA | HPV day-zero determination | Local |
| 2026-05-12 | COORSTEK INC - CLEAR CREEK VALLEY PLANT — high-priority violation on file | GOLDEN AREA, Jefferson, CO | Earliest FRV determination | State |
| 2026-05-12 | CITIZENS THERMAL CC PERRY K STEAM PLANT — high-priority violation on file | INDIANAPOLIS, Marion, IN | Earliest FRV determination | State |
| 2026-05-12 | BV HEDRICK GRAVEL AND SAND COMPANY | ASHEVILLE, Buncombe, NC | Earliest FRV determination | Local |
| 2026-05-12 | 2000 KUBACH — high-priority violation on file | PHILADELPHIA, Philadelphia, PA | Earliest FRV determination | Local |
| 2026-05-11 | CHEVRON PRODUCTS COMPANY — high-priority violation on file | RICHMOND, Contra Costa, CA | HPV day-zero determination | Local |
| 2026-05-11 | AEROGEL TECHNOLOGIES — high-priority violation on file | BOSTON, Suffolk, MA | Earliest FRV determination | State |
| 2026-05-11 | LATHAM POOL PRODUCTS INC / LATHAM POOLS - SEMINOLE — high-priority violation on file | SEMINOLE, Seminole, OK | Earliest FRV determination | State |
| 2026-05-11 | SELMET, INC. — high-priority violation on file | ALBANY, Linn, OR | Earliest FRV determination | State |
| 2026-05-11 | SELMET, INC. — high-priority violation on file | ALBANY, Linn, OR | Earliest FRV determination | State |
| 2026-05-11 | SELMET, INC. — high-priority violation on file | ALBANY, Linn, OR | Earliest FRV determination | State |
| 2026-05-11 | VALK MFG CO/NEW KINGSTOWN — high-priority violation on file | NEW KINGSTOWN, Cumberland, PA | Earliest FRV determination | State |
| 2026-05-11 | PA DHS/NORRISTOWN STATE HOSP — high-priority violation on file | WEST NORRITON, Montgomery, PA | Earliest FRV determination | State |
| 2026-05-11 | FRES-CO SYSTEM USA INC/TELFORD PLT — high-priority violation on file | TELFORD, Bucks, PA | Earliest FRV determination | State |
| 2026-05-11 | CRETE READY FOAM LLC — high-priority violation on file | WESSINGTON SPRINGS, Jerauld, SD | Earliest FRV determination | State |
| 2026-05-11 | ABERDEEN ENERGY, LLC — high-priority violation on file | MINA, Edmunds, SD | Earliest FRV determination | State |
| 2026-05-11 | ARTAZN, LLC — high-priority violation on file | GREENEVILLE, Greene, TN | Earliest FRV determination | State |
| 2026-05-10 | THE DUDE PROCESSING PLANT — high-priority violation on file | MONUMENT, Lea, NM | HPV day-zero determination | State |
| 2026-05-09 | H KRAMER & CO — high-priority violation on file | CHICAGO, Cook, IL | Earliest FRV determination | State |
| 2026-05-08 | TESORO REFINING & MARKETING COMPANY — high-priority violation on file | MARTINEZ, Contra Costa, CA | HPV day-zero determination | Local |
| 2026-05-08 | VALERO REFINING COMPANY - CALIFORNIA — high-priority violation on file | BENICIA, Solano, CA | HPV day-zero determination | Local |
| 2026-05-08 | MARKWEST OKLAHOMA GAS CO LLC / BUTLER ARAPAHO GAS PLANT — high-priority violation on file | BUTLER, Custer, OK | HPV day-zero determination | State |
| 2026-05-08 | ALUMICORE VENTURES LLC/MONESSEN — high-priority violation on file | MONESSEN, Westmoreland, PA | Earliest FRV determination | State |
| 2026-05-08 | CHESTNUT VALLEY LDFL LLC/GERMAN TWP — high-priority violation on file | MC CLELLANDTOWN, Fayette, PA | Earliest FRV determination | State |
| 2026-05-08 | FAIRLESS RNG — high-priority violation on file | MORRISVILLE, Bucks, PA | HPV day-zero determination | State |
| 2026-05-08 | KINDER MORGAN LIQUIDS TERM/PHILA — high-priority violation on file | PHILADELPHIA, Philadelphia, PA | Earliest FRV determination | Local |
| 2026-05-08 | PROVIDENCE COLLEGE — high-priority violation on file | PROVIDENCE, Providence, RI | Earliest FRV determination | State |
| 2026-05-08 | A O SMITH WATER PRODUCTS COMPANY — high-priority violation on file | MCBEE, Chesterfield, SC | Earliest FRV determination | State |
| 2026-05-08 | GALENA PARK TERMINAL — high-priority violation on file | GALENA PARK, Harris, TX | Earliest FRV determination | State |
| 2026-05-08 | TOTAL SPECIALTIES USA BAYPORT — high-priority violation on file | PASADENA, Harris, TX | Earliest FRV determination | State |
| 2026-05-08 | FIVE STAR PROPERTIES SEALY — high-priority violation on file | SEALY, Austin, TX | Earliest FRV determination | State |
| 2026-05-07 | REPUBLIC SERVICES OF SONOMA COUNTY — high-priority violation on file | PETALUMA (HISTORICAL), Sonoma, CA | HPV day-zero determination | Local |
| 2026-05-07 | PARKER WELDING & FABRICATION INC — high-priority violation on file | WINTERSET (HISTORICAL), Madison, IA | Earliest FRV determination | State |
| 2026-05-07 | SMITHFIELD FRESH MEATS CORP. - TAR HEEL — high-priority violation on file | TAR HEEL, Bladen, NC | Earliest FRV determination | State |
| 2026-05-07 | IMERYS MICA KINGS MOUNTAIN, INC. - BATTLEGROUND PLANT | KINGS MOUNTAIN, Cleveland, NC | Earliest FRV determination | State |
| 2026-05-07 | WEBCO IND INC / STAR CENTER — high-priority violation on file | SAND SPRINGS, Tulsa, OK | Earliest FRV determination | State |
| 2026-05-07 | SHELL CHEM APPALACHIA/SHELL POLYMERS MONACA — high-priority violation on file | MONACA, Beaver, PA | HPV day-zero determination | State |
| 2026-05-07 | GREATER HAZLETON JT SEW AUTH/WEST HAZLETON STP — high-priority violation on file | WEST HAZLETON, Luzerne, PA | HPV day-zero determination | State |
| 2026-05-07 | PHILA PRISON SYS/CORR FAC — high-priority violation on file | PHILADELPHIA, Philadelphia, PA | Earliest FRV determination | Local |
| 2026-05-07 | ELEMENT MATERIALS TECHNOLOGY — high-priority violation on file | PIEDMONT, Anderson, SC | Earliest FRV determination | State |
| 2026-05-07 | RING NECK ENERGY & FEED LLC — high-priority violation on file | ONIDA, Sully, SD | Earliest FRV determination | State |
| 2026-05-07 | ISKANDER (LC-1A) JAMSHID (LC-1B) KAVEH (LC2) LOHRASP VENTURES (LC3) — high-priority violation on file | ASHBURN, Loudoun, VA | Earliest FRV determination | State |
| 2026-05-07 | 3M CO WAUSAU PLT — high-priority violation on file | WAUSAU, Marathon, WI | Earliest FRV determination | State |
| 2026-05-07 | 3M CO WAUSAU PLT — high-priority violation on file | WAUSAU, Marathon, WI | Earliest FRV determination | State |
| 2026-05-06 | REPUBLIC SERVICES OF SONOMA COUNTY — high-priority violation on file | PETALUMA (HISTORICAL), Sonoma, CA | HPV day-zero determination | Local |
| 2026-05-06 | REPUBLIC SERVICES OF SONOMA COUNTY — high-priority violation on file | PETALUMA (HISTORICAL), Sonoma, CA | HPV day-zero determination | Local |
| 2026-05-06 | REPUBLIC SERVICES OF SONOMA COUNTY — high-priority violation on file | PETALUMA (HISTORICAL), Sonoma, CA | HPV day-zero determination | Local |
| 2026-05-06 | DCP OPERATING CO - LUCERNE 2 GAS PLANT — high-priority violation on file | GREELEY AREA, Weld, CO | HPV day-zero determination | State |
| 2026-05-06 | ASSOCIATED HARDWOOD PRODUCTS, INC. — high-priority violation on file | GRANITE FALLS, Caldwell, NC | Earliest FRV determination | State |
| 2026-05-06 | AG PROCESSING INC — high-priority violation on file | DAVID CITY, Butler, NE | HPV day-zero determination | State |
| 2026-05-06 | LPS INDUSTRIES, INC. — high-priority violation on file | MOONACHIE, Bergen, NJ | Earliest FRV determination | State |
| 2026-05-06 | SANTA FE OPERATING LLC / PINEHOLLOW FACILITY — high-priority violation on file | STUART, Pittsburg, OK | Earliest FRV determination | State |
| 2026-05-06 | PUROLITE INC/MFG CHEM — high-priority violation on file | PHILADELPHIA, Philadelphia, PA | Earliest FRV determination | Local |
| 2026-05-06 | FLAME SPRAY NORTH AMERICA INC — high-priority violation on file | FOUNTAIN INN, Laurens, SC | Earliest FRV determination | State |
| 2026-05-06 | HOUNEN ORANGEBURG — high-priority violation on file | ORANGEBURG, Orangeburg, SC | Earliest FRV determination | State |
| 2026-05-06 | 3M COMPANY - ABERDEEN — high-priority violation on file | ABERDEEN, Brown, SD | Earliest FRV determination | State |
| 2026-05-06 | HUB CITY ENERGY, LLC — high-priority violation on file | ABERDEEN, Brown, SD | Earliest FRV determination | State |
| 2026-05-06 | ABERDEEN ENERGY, LLC — high-priority violation on file | MINA, Edmunds, SD | Earliest FRV determination | State |
| 2026-05-06 | NUGEN ENERGY LLC — high-priority violation on file | MARION, Turner, SD | Earliest FRV determination | State |
| 2026-05-06 | EQUISTAR CHEMICALS CHANNELVIEW COMPLEX — high-priority violation on file | CHANNELVIEW, Harris, TX | Earliest FRV determination | State |
| 2026-05-06 | BAYPORT FACILITY — high-priority violation on file | PASADENA, Harris, TX | Earliest FRV determination | State |
| 2026-05-06 | VALERO THREE RIVERS REFINERY — high-priority violation on file | THREE RIVERS, Live Oak, TX | Earliest FRV determination | State |
| 2026-05-06 | NORTH PACIFIC PAPER CORP. — high-priority violation on file | LONGVIEW, Cowlitz, WA | Earliest FRV determination | Local |
| 2026-05-05 | HENKEL CORPORATION-AEROSPACE GROUP — high-priority violation on file | BAY POINT (HISTORICAL), Contra Costa, CA | HPV day-zero determination | Local |
| 2026-05-05 | HENKEL CORPORATION-AEROSPACE GROUP — high-priority violation on file | BAY POINT (HISTORICAL), Contra Costa, CA | HPV day-zero determination | Local |
| 2026-05-05 | HENKEL CORPORATION-AEROSPACE GROUP — high-priority violation on file | BAY POINT (HISTORICAL), Contra Costa, CA | Earliest FRV determination | Local |
| 2026-05-05 | HENKEL CORPORATION-AEROSPACE GROUP — high-priority violation on file | BAY POINT (HISTORICAL), Contra Costa, CA | Earliest FRV determination | Local |
| 2026-05-05 | HENKEL CORPORATION-AEROSPACE GROUP — high-priority violation on file | BAY POINT (HISTORICAL), Contra Costa, CA | Earliest FRV determination | Local |
| 2026-05-05 | HENKEL CORPORATION-AEROSPACE GROUP — high-priority violation on file | BAY POINT (HISTORICAL), Contra Costa, CA | Earliest FRV determination | Local |
| 2026-05-05 | HENKEL CORPORATION-AEROSPACE GROUP — high-priority violation on file | BAY POINT (HISTORICAL), Contra Costa, CA | Earliest FRV determination | Local |
| 2026-05-05 | HENKEL CORPORATION-AEROSPACE GROUP — high-priority violation on file | BAY POINT (HISTORICAL), Contra Costa, CA | Earliest FRV determination | Local |
| 2026-05-05 | HENKEL CORPORATION-AEROSPACE GROUP — high-priority violation on file | BAY POINT (HISTORICAL), Contra Costa, CA | Earliest FRV determination | Local |
| 2026-05-05 | HENKEL CORPORATION-AEROSPACE GROUP — high-priority violation on file | BAY POINT (HISTORICAL), Contra Costa, CA | Earliest FRV determination | Local |
| 2026-05-05 | HENKEL CORPORATION-AEROSPACE GROUP — high-priority violation on file | BAY POINT (HISTORICAL), Contra Costa, CA | Earliest FRV determination | Local |
| 2026-05-05 | HENKEL CORPORATION-AEROSPACE GROUP — high-priority violation on file | BAY POINT (HISTORICAL), Contra Costa, CA | Earliest FRV determination | Local |
| 2026-05-05 | HENKEL CORPORATION-AEROSPACE GROUP — high-priority violation on file | BAY POINT (HISTORICAL), Contra Costa, CA | Earliest FRV determination | Local |
| 2026-05-05 | HENKEL CORPORATION-AEROSPACE GROUP — high-priority violation on file | BAY POINT (HISTORICAL), Contra Costa, CA | HPV day-zero determination | Local |
| 2026-05-05 | HENKEL CORPORATION-AEROSPACE GROUP — high-priority violation on file | BAY POINT (HISTORICAL), Contra Costa, CA | Earliest FRV determination | Local |
| 2026-05-05 | HENKEL CORPORATION-AEROSPACE GROUP — high-priority violation on file | BAY POINT (HISTORICAL), Contra Costa, CA | Earliest FRV determination | Local |
| 2026-05-05 | PHILLIPS 66 COMPANY - SAN FRANCISCO REFINERY — high-priority violation on file | RODEO, Contra Costa, CA | HPV day-zero determination | Local |
| 2026-05-05 | WHITEWATER MILL LLC — high-priority violation on file | WEST HARRISON, Dearborn, IN | Earliest FRV determination | State |
| 2026-05-05 | BARNES-JEWISH HOSPITAL — high-priority violation on file | SAINT LOUIS, St. Louis (city), MO | Earliest FRV determination | State |
| 2026-05-05 | GRIEF PACKAGING LLC — high-priority violation on file | WRIGHT CITY, Warren, MO | Earliest FRV determination | State |
| 2026-05-05 | GALLERY 720 BUILDING — high-priority violation on file | SAINT LOUIS, St. Louis (city), MO | Earliest FRV determination | State |
| 2026-05-05 | ANSON COUNTY WASTE MANAGEMENT FACILITY — high-priority violation on file | POLKTON, Anson, NC | Earliest FRV determination | State |
| 2026-05-05 | EMPORIUM HARDWOODS OP CO LLC/SHIPPEN TWP PLT — high-priority violation on file | EMPORIUM, Cameron, PA | Earliest FRV determination | State |
| 2026-05-05 | EXXON MOBIL CHEMICAL BAYTOWN OLEFINS PLANT — high-priority violation on file | BAYTOWN, Harris, TX | Earliest FRV determination | State |
| 2026-05-05 | LION ELASTOMERS ORANGE — high-priority violation on file | ORANGE, Orange, TX | Earliest FRV determination | State |
| 2026-05-05 | PORT TOWNSEND PAPER CORPORATION — high-priority violation on file | PORT TOWNSEND, Jefferson, WA | Earliest FRV determination | State |
| 2026-05-04 | CHEVRON PRODUCTS COMPANY — high-priority violation on file | RICHMOND, Contra Costa, CA | HPV day-zero determination | Local |
| 2026-05-04 | 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 |
| 2026-05-04 | JBS USA LLC — high-priority violation on file | MARSHALLTOWN, Marshall, IA | Earliest FRV determination | State |
Dates as filed by the agency that recorded the violation. Figures from EPA’s ICIS-AIR download.