EPA Air · violations by county and year
High-priority air violations in Marion County, Indiana, 2026
- 4Violations
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 Marion County, Indiana 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 Marion County facility page.
Marion County, Indiana, 2026
- Inspections 19
- Stack tests 44
High-priority air violations in Marion County, other years
High-priority air violations recorded in Marion County, Indiana, 2026
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2026-07-01 | METALWORKING LUBRICANTS COMPANY — high-priority violation on file | Earliest FRV determination | State |
| 2026-05-12 | CITIZENS THERMAL CC PERRY K STEAM PLANT — high-priority violation on file | Earliest FRV determination | State |
| 2026-03-09 | ZIONSVILLE COMPRESSOR STATION / PANHANDLE EASTERN PIPE LINE — high-priority violation on file | Earliest FRV determination | State |
| 2026-01-22 | HOWARD MATERIALS LLC — high-priority violation on file | HPV day-zero determination | State |
Dates as filed by the agency that recorded the violation. Figures from EPA’s ICIS-AIR download.