EPA Air · stack tests by county and year
Air-emissions stack tests in Merced County, California, 2026
- 32Stack 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 Merced County, California 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 Merced County facility page.
Merced County, California, 2026
- Inspections 61
Air-emissions stack tests in Merced County, other years
Air-emissions stack tests recorded in Merced County, California, 2026
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2026-07-23 | HILMAR CHEESE COMPANY — high-priority violation on file | Pass | Local |
| 2026-07-23 | HILMAR CHEESE COMPANY — high-priority violation on file | Pass | Local |
| 2026-07-23 | HILMAR CHEESE COMPANY — high-priority violation on file | Pass | Local |
| 2026-06-23 | HILMAR CHEESE COMPANY — high-priority violation on file | Pass | Local |
| 2026-06-23 | HILMAR CHEESE COMPANY — high-priority violation on file | Pass | Local |
| 2026-06-23 | HILMAR CHEESE COMPANY — high-priority violation on file | Pass | Local |
| 2026-06-23 | HILMAR CHEESE COMPANY — high-priority violation on file | Pass | Local |
| 2026-06-16 | LIBERTY PACKING CO. | Pass | Local |
| 2026-06-16 | LIBERTY PACKING CO. | Pass | Local |
| 2026-06-16 | LIBERTY PACKING CO. | Pass | Local |
| 2026-06-16 | LIBERTY PACKING CO. | Pass | Local |
| 2026-06-16 | LIBERTY PACKING CO. | Pass | Local |
| 2026-06-16 | LIBERTY PACKING CO. | Pass | Local |
| 2026-06-16 | LIBERTY PACKING CO. | Pass | Local |
| 2026-06-16 | LIBERTY PACKING CO. | Pass | Local |
| 2026-06-16 | LIBERTY PACKING CO. | Pass | Local |
| 2026-06-16 | LIBERTY PACKING CO. | Pass | Local |
| 2026-06-16 | LIBERTY PACKING CO. | Pass | Local |
| 2026-06-16 | LIBERTY PACKING CO. | Pass | Local |
| 2026-06-16 | LIBERTY PACKING CO. | Pass | Local |
| 2026-06-16 | LIBERTY PACKING CO. | Pass | Local |
| 2026-06-16 | LIBERTY PACKING CO. | Pass | Local |
| 2026-06-16 | LIBERTY PACKING CO. | Pass | Local |
| 2026-06-16 | LIBERTY PACKING CO. | Pass | Local |
| 2026-06-16 | LIBERTY PACKING CO. | Pass | Local |
| 2026-06-16 | LIBERTY PACKING CO. | Pass | Local |
| 2026-06-16 | LIBERTY PACKING CO. | Pass | Local |
| 2026-06-16 | LIBERTY PACKING CO. | Pass | Local |
| 2026-04-28 | E&J GALLO WINERY — high-priority violation on file | Pass | Local |
| 2026-04-28 | E&J GALLO WINERY — high-priority violation on file | Pass | Local |
| 2026-04-28 | E&J GALLO WINERY — high-priority violation on file | Pass | Local |
| 2026-02-03 | FOSTER FOOD 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.