EPA Air · stack tests by state and year
Air-emissions stack tests in California, 2024
- 18,905Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit. Every stack test below was recorded against a source in California during 2024; one facility can appear more than once, because this is a record of what happened rather than a list of places.
Counties in California, 2024
- Kern County 7,524
- San Joaquin County 5,176
- Stanislaus County 3,977
- Fresno County 597
- Merced County 538
- Madera County 235
- Kings County 204
- Tulare County 195
- Los Angeles County 169
- San Bernardino County 90
- Monterey County 36
- Orange County 35
- Riverside County 31
- Ventura County 27
- Sacramento County 25
- San Diego County 15
- Placer County 12
- Undetermined County 10
- Santa Cruz County 5
- Humboldt County 3
California, other years
Air-emissions stack tests recorded in California, 2024
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2024-08-06 | INGOMAR PACKING COMPANY | LOS BANOS, Merced, CA | Pass | Local |
| 2024-08-06 | INGOMAR PACKING COMPANY | LOS BANOS, Merced, CA | Pass | Local |
| 2024-08-06 | INGOMAR PACKING COMPANY | LOS BANOS, Merced, CA | Pass | Local |
| 2024-08-06 | INGOMAR PACKING COMPANY | LOS BANOS, Merced, CA | Pass | Local |
| 2024-08-06 | INGOMAR PACKING COMPANY | LOS BANOS, Merced, CA | Pass | Local |
| 2024-08-06 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2024-08-06 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2024-08-06 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2024-08-06 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2024-08-06 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2024-08-06 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2024-08-06 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2024-08-06 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2024-08-06 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2024-08-06 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2024-08-06 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2024-08-06 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2024-08-06 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2024-08-06 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2024-08-05 | LA CITY, DWP SCATTERGOOD GENERATING STN | PLAYA DEL REY, Los Angeles, CA | Pass | Local |
| 2024-08-05 | PHILLIPS 66 COMPANY/LA REFINERY | CARSON, Los Angeles, CA | Pass | Local |
| 2024-08-02 | DART CONTAINER CORP OF CALIFORNIA — high-priority violation on file | CORONA, Riverside, CA | Pass | Local |
| 2024-08-02 | DART CONTAINER CORP OF CALIFORNIA — high-priority violation on file | CORONA, Riverside, CA | Pass | Local |
| 2024-08-02 | DART CONTAINER CORP OF CALIFORNIA — high-priority violation on file | CORONA, Riverside, CA | Pass | Local |
| 2024-08-01 | SO CAL EDISON CO | AVALON, Los Angeles, CA | Pass | Local |
| 2024-07-31 | SO CAL EDISON CO | AVALON, Los Angeles, CA | Pass | Local |
| 2024-07-31 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2024-07-31 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2024-07-31 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2024-07-31 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2024-07-31 | DART CONTAINER CORP | LODI, San Joaquin, CA | Pass | Local |
| 2024-07-31 | DART CONTAINER CORP | LODI, San Joaquin, CA | Pass | Local |
| 2024-07-31 | DART CONTAINER CORP | LODI, San Joaquin, CA | Pass | Local |
| 2024-07-31 | DART CONTAINER CORP | LODI, San Joaquin, CA | Pass | Local |
| 2024-07-31 | DART CONTAINER CORP | LODI, San Joaquin, CA | Pass | Local |
| 2024-07-31 | DART CONTAINER CORP | LODI, San Joaquin, CA | Pass | Local |
| 2024-07-31 | DART CONTAINER CORP | LODI, San Joaquin, CA | Pass | Local |
| 2024-07-31 | DART CONTAINER CORP | LODI, San Joaquin, CA | Pass | Local |
| 2024-07-31 | DART CONTAINER CORP | LODI, San Joaquin, CA | Pass | Local |
| 2024-07-31 | DART CONTAINER CORP | LODI, San Joaquin, CA | Pass | Local |
| 2024-07-31 | DART CONTAINER CORP | LODI, San Joaquin, CA | Pass | Local |
| 2024-07-31 | DART CONTAINER CORP | LODI, San Joaquin, CA | Pass | Local |
| 2024-07-31 | DART CONTAINER CORP | LODI, San Joaquin, CA | Pass | Local |
| 2024-07-31 | DART CONTAINER CORP | LODI, San Joaquin, CA | Pass | Local |
| 2024-07-31 | DART CONTAINER CORP | LODI, San Joaquin, CA | Pass | Local |
| 2024-07-31 | DART CONTAINER CORP | LODI, San Joaquin, CA | Pass | Local |
| 2024-07-31 | DART CONTAINER CORP | LODI, San Joaquin, CA | Pass | Local |
| 2024-07-31 | DART CONTAINER CORP | LODI, San Joaquin, CA | Pass | Local |
| 2024-07-31 | DART CONTAINER CORP | LODI, San Joaquin, CA | Pass | Local |
| 2024-07-30 | CHEVRON MINING INC | MOUNTAIN PASS, San Bernardino, CA | Pass | Local |
| 2024-07-30 | TESORO REFINING AND MARKETING CO, LLC | CARSON, Los Angeles, CA | Pass | Local |
| 2024-07-30 | TESORO REFINING AND MARKETING CO, LLC | CARSON, Los Angeles, CA | Pass | Local |
| 2024-07-30 | SO CAL EDISON CO | AVALON, Los Angeles, CA | Pass | Local |
| 2024-07-30 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-07-30 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-07-30 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-07-30 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-07-30 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-07-30 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-07-30 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-07-30 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-07-30 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-07-29 | MITSUBISHI CHEMICAL CARBON FIBER AND COMPOSITES — high-priority violation on file | SACRAMENTO, Sacramento, CA | Pass | Local |
| 2024-07-29 | SO CAL EDISON CO | AVALON, Los Angeles, CA | Pass | Local |
| 2024-07-29 | SIERRA ALUMINUM, DIV IF SAMUEL, SON & CO | RIVERSIDE, Riverside, CA | Pass | Local |
| 2024-07-29 | SIERRA ALUMINUM, DIV IF SAMUEL, SON & CO | RIVERSIDE, Riverside, CA | Pass | Local |
| 2024-07-26 | TRICOR REFINING, LLC — high-priority violation on file | OILDALE, Kern, CA | Pass | Local |
| 2024-07-26 | TRICOR REFINING, LLC — high-priority violation on file | OILDALE, Kern, CA | Pass | Local |
| 2024-07-26 | TRICOR REFINING, LLC — high-priority violation on file | OILDALE, Kern, CA | Pass | Local |
| 2024-07-26 | PACIFIC SOUTHWEST CONTAINER, LLC | MODESTO, Stanislaus, CA | Pass | Local |
| 2024-07-26 | PACIFIC SOUTHWEST CONTAINER, LLC | MODESTO, Stanislaus, CA | Pass | Local |
| 2024-07-26 | PACIFIC SOUTHWEST CONTAINER, LLC | MODESTO, Stanislaus, CA | Pass | Local |
| 2024-07-26 | PACIFIC SOUTHWEST CONTAINER, LLC | MODESTO, Stanislaus, CA | Pass | Local |
| 2024-07-26 | PACIFIC SOUTHWEST CONTAINER, LLC | MODESTO, Stanislaus, CA | Pass | Local |
| 2024-07-26 | PACIFIC SOUTHWEST CONTAINER, LLC | MODESTO, Stanislaus, CA | Pass | Local |
| 2024-07-26 | PACIFIC SOUTHWEST CONTAINER, LLC | MODESTO, Stanislaus, CA | Pass | Local |
| 2024-07-26 | PACIFIC SOUTHWEST CONTAINER, LLC | MODESTO, Stanislaus, CA | Pass | Local |
| 2024-07-26 | PACIFIC SOUTHWEST CONTAINER, LLC | MODESTO, Stanislaus, CA | Pass | Local |
| 2024-07-26 | PACIFIC SOUTHWEST CONTAINER, LLC | MODESTO, Stanislaus, CA | Pass | Local |
| 2024-07-26 | PACIFIC SOUTHWEST CONTAINER, LLC | MODESTO, Stanislaus, CA | Pass | Local |
| 2024-07-26 | PACIFIC SOUTHWEST CONTAINER, LLC | MODESTO, Stanislaus, CA | Pass | Local |
| 2024-07-26 | PACIFIC SOUTHWEST CONTAINER, LLC | MODESTO, Stanislaus, CA | Pass | Local |
| 2024-07-26 | PACIFIC SOUTHWEST CONTAINER, LLC | MODESTO, Stanislaus, CA | Pass | Local |
| 2024-07-26 | PACIFIC SOUTHWEST CONTAINER, LLC | MODESTO, Stanislaus, CA | Pass | Local |
| 2024-07-26 | PACIFIC SOUTHWEST CONTAINER, LLC | MODESTO, Stanislaus, CA | Pass | Local |
| 2024-07-26 | PACIFIC SOUTHWEST CONTAINER, LLC | MODESTO, Stanislaus, CA | Pass | Local |
| 2024-07-26 | PACIFIC SOUTHWEST CONTAINER, LLC | MODESTO, Stanislaus, CA | Pass | Local |
| 2024-07-26 | PACIFIC SOUTHWEST CONTAINER, LLC | MODESTO, Stanislaus, CA | Pass | Local |
| 2024-07-26 | PACIFIC SOUTHWEST CONTAINER, LLC | MODESTO, Stanislaus, CA | Pass | Local |
| 2024-07-26 | PACIFIC SOUTHWEST CONTAINER, LLC | MODESTO, Stanislaus, CA | Pass | Local |
| 2024-07-26 | PACIFIC SOUTHWEST CONTAINER, LLC | MODESTO, Stanislaus, CA | Pass | Local |
| 2024-07-26 | PACIFIC SOUTHWEST CONTAINER, LLC | MODESTO, Stanislaus, CA | Pass | Local |
| 2024-07-26 | PACIFIC SOUTHWEST CONTAINER, LLC | MODESTO, Stanislaus, CA | Pass | Local |
| 2024-07-26 | PACIFIC SOUTHWEST CONTAINER, LLC | MODESTO, Stanislaus, CA | Pass | Local |
| 2024-07-26 | PACIFIC SOUTHWEST CONTAINER, LLC | MODESTO, Stanislaus, CA | Pass | Local |
| 2024-07-26 | PACIFIC SOUTHWEST CONTAINER, LLC | MODESTO, Stanislaus, CA | Pass | Local |
| 2024-07-26 | PACIFIC SOUTHWEST CONTAINER, LLC | MODESTO, Stanislaus, CA | Pass | Local |
| 2024-07-26 | PACIFIC SOUTHWEST CONTAINER, LLC | MODESTO, Stanislaus, CA | Pass | Local |
| 2024-07-26 | PACIFIC SOUTHWEST CONTAINER, LLC | MODESTO, Stanislaus, CA | Pass | Local |
| 2024-07-26 | PACIFIC SOUTHWEST CONTAINER, LLC | MODESTO, Stanislaus, CA | Pass | Local |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.