EPA Air · violations by county and year
High-priority air violations in Washington County, Pennsylvania, 2026
- 15Violations
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 Washington 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 Washington County facility page.
Washington County, Pennsylvania, 2026
- Inspections 105
- Stack tests 29
High-priority air violations in Washington County, other years
High-priority air violations recorded in Washington County, Pennsylvania, 2026
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2026-07-24 | RITCHEY ACQUISITION COMPANY LLC/HENDERSONVILLE PLT — high-priority violation on file | Earliest FRV determination | State |
| 2026-07-23 | MARKWEST LIBERTY MIDSTREAM & RESOURCES/HARMON CREEK GAS PLT — high-priority violation on file | Earliest FRV determination | State |
| 2026-07-23 | MARKWEST LIBERTY MIDSTREAM & RESOURCES/FULTON BOOSTER STA — high-priority violation on file | Earliest FRV determination | State |
| 2026-07-22 | RITCHEY ACQUISITION COMPANY LLC/HENDERSONVILLE PLT — high-priority violation on file | Earliest FRV determination | State |
| 2026-07-15 | K PETROLEUM INC/HACKETT COMP STA — high-priority violation on file | Earliest FRV determination | State |
| 2026-06-25 | THERM O ROCK INC/NEW EAGLE PLT — high-priority violation on file | Earliest FRV determination | State |
| 2026-06-04 | MCC INTL/MILLER CENT CAST INC/MCDONALD PLT — high-priority violation on file | Earliest FRV determination | State |
| 2026-05-14 | PERRYMAN CO/TITANIUM CONVERSION FAC — high-priority violation on file | Earliest FRV determination | State |
| 2026-04-21 | MARKWEST LIBERTY MIDSTREAM & RESOURCES/HARMON CREEK GAS PLT — high-priority violation on file | Earliest FRV determination | State |
| 2026-03-16 | K PETROLEUM INC/HACKETT COMP STA — high-priority violation on file | Earliest FRV determination | State |
| 2026-03-11 | PLEIGER PLASTICS CO/SOUTH STRABANE — high-priority violation on file | Earliest FRV determination | State |
| 2026-03-11 | FLEXSYS AMER LTD PAR/MONONGAHELA — high-priority violation on file | Earliest FRV determination | State |
| 2026-03-03 | DIVERSIFIED PROD LLC/NV 34 WELLPAD — high-priority violation on file | Earliest FRV determination | State |
| 2026-03-03 | DIVERSIFIED PROD LLC/NINEVEH 58 WELL PAD — high-priority violation on file | Earliest FRV determination | State |
| 2026-02-02 | LANGELOTH METALLURGICAL CO/LANGELOTH METALLURGICAL PLT — 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.