EPA Air · stack tests by county and year
Air-emissions stack tests in Ventura County, California, 2025
- 17Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit. Each row below is one stack test recorded against a source in Ventura County, California during 2025. 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 Ventura County facility page.
Ventura County, California, 2025
Air-emissions stack tests in Ventura County, other years
Air-emissions stack tests recorded in Ventura County, California, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-12-10 | PROCTER & GAMBLE PAPER PRODUCTS — high-priority violation on file | Pass | Local |
| 2025-11-06 | SIMI VALLEY LANDFILL & RECYCLING CENTER — high-priority violation on file | Pass | Local |
| 2025-10-21 | SIMI VALLEY LANDFILL & RECYCLING CENTER — high-priority violation on file | Fail | Local |
| 2025-08-05 | MCGRATH PEAKER GENERATING STATION | Pass | Local |
| 2025-07-09 | TOLAND ROAD LANDFILL — high-priority violation on file | Pass | Local |
| 2025-06-06 | CARBON CALIFORNIA COMPANY, LLC — high-priority violation on file | Pass | Local |
| 2025-05-29 | ORMOND BEACH GENERATING STATION | Pass | Local |
| 2025-05-16 | NEW-INDY OXNARD, LLC | Pass | Local |
| 2025-05-13 | ARCOSA LIGHTWEIGHT, FRAZIER PARK (1603) — high-priority violation on file | Pass | Local |
| 2025-05-06 | AERA ENERGY LLC | Pass | Local |
| 2025-05-06 | SOUTHERN CALIFORNIA GAS CO | Pass | Local |
| 2025-05-02 | PROCTER & GAMBLE PAPER PRODUCTS — high-priority violation on file | Pass | Local |
| 2025-04-22 | NEW-INDY OXNARD, LLC | Pass | Local |
| 2025-04-22 | PLATFORM GILDA | Pass | Local |
| 2025-04-03 | GLASS HOUSE CAMARILLO CULTIVATION LLC | Pass | Local |
| 2025-03-27 | TRUSTEES OF CSU & CSUCI SITE AUTHORITY | Pass | Local |
| 2025-02-19 | PROCTER & GAMBLE PAPER PRODUCTS — high-priority violation on file | Pass | Local |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.