EPA Air · violations by county and year
High-priority air violations in Montgomery County, Pennsylvania, 2026
- 29Violations
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. Each row below is one violation recorded against a source in Montgomery County, Pennsylvania during 2026. A facility can appear several times: this is the year’s record of what happened, not a list of places. The sources themselves are on the Montgomery County facility page.
Montgomery County, Pennsylvania, 2026
- Inspections 292
- Stack tests 7
High-priority air violations in Montgomery County, other years
High-priority air violations recorded in Montgomery County, Pennsylvania, 2026
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2026-09-08 | US TAPE CO/PENNSBURG — high-priority violation on file | Earliest FRV determination | State |
| 2026-08-28 | HEIDELBERG MATERIALS NORTHEAST LLC/PLYMOUTH MEETING QUARRY — high-priority violation on file | Earliest FRV determination | State |
| 2026-08-13 | MCC MFG INC/LAFAYETTE HILL — high-priority violation on file | Earliest FRV determination | State |
| 2026-08-11 | KENVUE BRANDS LLC/WHITEMARSH TWP — high-priority violation on file | Earliest FRV determination | State |
| 2026-08-04 | CUSTOM PROC SVC LLC/E GREENVILLE — high-priority violation on file | Earliest FRV determination | State |
| 2026-08-04 | TITAN INTL/POTTSTOWN — high-priority violation on file | Earliest FRV determination | State |
| 2026-07-27 | HARLEYSVILLE MATERIALS/LOWER SALFORD — high-priority violation on file | Earliest FRV determination | State |
| 2026-07-15 | OEHLERT BROS/ROYERSFORD — high-priority violation on file | Earliest FRV determination | State |
| 2026-07-10 | LEGACY CREMATORY/EAST NORRITON — high-priority violation on file | Earliest FRV determination | State |
| 2026-07-09 | 727 NORRISTOWN RD LP/SPRINGHOUSE TECH PARK — high-priority violation on file | Earliest FRV determination | State |
| 2026-06-26 | 727 NORRISTOWN RD LP/SPRINGHOUSE TECH PARK — high-priority violation on file | Earliest FRV determination | State |
| 2026-06-17 | TECH TUBE INC/UPPER MERION — high-priority violation on file | Earliest FRV determination | State |
| 2026-06-15 | H&K GROUP INC/SANATOGA BLACKTOP — high-priority violation on file | Earliest FRV determination | State |
| 2026-06-08 | CLEMENS FOOD GROUP LLC/HATFIELD PLT — high-priority violation on file | Earliest FRV determination | State |
| 2026-05-28 | INNOVATION 411/UPPER MERION — high-priority violation on file | Earliest FRV determination | State |
| 2026-05-28 | RATOSKEY & TRAINOR INC/GILL QUARRIES — high-priority violation on file | Earliest FRV determination | State |
| 2026-05-18 | HEIDELBERG MATERIALS NE LLC /PERKIOMENVILLE — high-priority violation on file | Earliest FRV determination | State |
| 2026-05-18 | RATOSKEY & TRAINOR INC/GILL QUARRIES — high-priority violation on file | Earliest FRV determination | State |
| 2026-05-13 | TECH TUBE INC/UPPER MERION — high-priority violation on file | Earliest FRV determination | State |
| 2026-05-11 | PA DHS/NORRISTOWN STATE HOSP — high-priority violation on file | Earliest FRV determination | State |
| 2026-04-08 | HAMMOND LEAD PRODUCTS/POTTSTOWN — high-priority violation on file | Earliest FRV determination | State |
| 2026-03-18 | REPUBLIC ENV SYS PA LLC/HATFIELD — high-priority violation on file | Earliest FRV determination | State |
| 2026-03-16 | US TAPE CO/PENNSBURG — high-priority violation on file | Earliest FRV determination | State |
| 2026-03-05 | JBS SOUDERTON INC/FRANCONIA TWP — high-priority violation on file | Earliest FRV determination | State |
| 2026-02-20 | JBS SOUDERTON INC/FRANCONIA TWP — high-priority violation on file | Earliest FRV determination | State |
| 2026-02-19 | JBS SOUDERTON INC/FRANCONIA TWP — high-priority violation on file | Earliest FRV determination | State |
| 2026-02-10 | HATFIELD TWP MUNI AUTH/COLMAR | HPV day-zero determination | State |
| 2026-02-04 | HATBORO QUALITY CLNR/ UPPER MORELAND — high-priority violation on file | Earliest FRV determination | State |
| 2026-01-08 | KENVUE BRANDS LLC/WHITEMARSH TWP — high-priority violation on file | Earliest FRV determination | State |
Dates as filed by the agency that recorded the violation. Figures from EPA’s ICIS-AIR download.