EPA Air · stack tests by state and year
Air-emissions stack tests in California, 2023
- 7,676Stack 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 2023; one facility can appear more than once, because this is a record of what happened rather than a list of places.
Counties in California, 2023
- Kern County 3,964
- Fresno County 1,186
- Stanislaus County 595
- San Joaquin County 551
- Kings County 322
- Madera County 233
- Merced County 226
- Los Angeles County 203
- Tulare County 110
- San Bernardino County 71
- Orange County 70
- Ventura County 26
- Sacramento County 25
- Monterey County 24
- Riverside County 22
- Undetermined County 20
- San Diego County 12
- Placer County 8
- Santa Cruz County 4
- Humboldt County 3
California, other years
Air-emissions stack tests recorded in California, 2023
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2023-05-15 | KINGSBURG COGENERATION PROJECT | KINGSBURG, Fresno, CA | Pass | Local |
| 2023-05-15 | KINGSBURG COGENERATION PROJECT | KINGSBURG, Fresno, CA | Pass | Local |
| 2023-05-15 | KINGSBURG COGENERATION PROJECT | KINGSBURG, Fresno, CA | Pass | Local |
| 2023-05-15 | KINGSBURG COGENERATION PROJECT | KINGSBURG, Fresno, CA | Pass | Local |
| 2023-05-15 | KINGSBURG COGENERATION PROJECT | KINGSBURG, Fresno, CA | Pass | Local |
| 2023-05-15 | KINGSBURG COGENERATION PROJECT | KINGSBURG, Fresno, CA | Pass | Local |
| 2023-05-15 | KINGSBURG COGENERATION PROJECT | KINGSBURG, Fresno, CA | Pass | Local |
| 2023-05-15 | KINGSBURG COGENERATION PROJECT | KINGSBURG, Fresno, CA | Pass | Local |
| 2023-05-15 | KINGSBURG COGENERATION PROJECT | KINGSBURG, Fresno, CA | Pass | Local |
| 2023-05-15 | KINGSBURG COGENERATION PROJECT | KINGSBURG, Fresno, CA | Pass | Local |
| 2023-05-15 | KINGSBURG COGENERATION PROJECT | KINGSBURG, Fresno, CA | Pass | Local |
| 2023-05-15 | KINGSBURG COGENERATION PROJECT | KINGSBURG, Fresno, CA | Pass | Local |
| 2023-05-15 | KINGSBURG COGENERATION PROJECT | KINGSBURG, Fresno, CA | Pass | Local |
| 2023-05-15 | KINGSBURG COGENERATION PROJECT | KINGSBURG, Fresno, CA | Pass | Local |
| 2023-05-15 | KINGSBURG COGENERATION PROJECT | KINGSBURG, Fresno, CA | Pass | Local |
| 2023-05-15 | KINGSBURG COGENERATION PROJECT | KINGSBURG, Fresno, CA | Pass | Local |
| 2023-05-15 | KINGSBURG COGENERATION PROJECT | KINGSBURG, Fresno, CA | Pass | Local |
| 2023-05-15 | KINGSBURG COGENERATION PROJECT | KINGSBURG, Fresno, CA | Pass | Local |
| 2023-05-15 | KINGSBURG COGENERATION PROJECT | KINGSBURG, Fresno, CA | Pass | Local |
| 2023-05-15 | KINGSBURG COGENERATION PROJECT | KINGSBURG, Fresno, CA | Pass | Local |
| 2023-05-15 | KINGSBURG COGENERATION PROJECT | KINGSBURG, Fresno, CA | Pass | Local |
| 2023-05-15 | KINGSBURG COGENERATION PROJECT | KINGSBURG, Fresno, CA | Pass | Local |
| 2023-05-15 | KINGSBURG COGENERATION PROJECT | KINGSBURG, Fresno, CA | Pass | Local |
| 2023-05-15 | ARCOSA LIGHTWEIGHT, FRAZIER PARK (1603) — high-priority violation on file | FRAZIER PARK, Ventura, CA | Fail | Local |
| 2023-05-14 | MITSUBISHI CEMENT CO — high-priority violation on file | LUCERNE VALLEY, San Bernardino, CA | Pass | Local |
| 2023-05-12 | SHULTZ STEEL CO | SOUTH GATE, Los Angeles, CA | Pass | Local |
| 2023-05-12 | ORANGE COUNTY SANITATION DISTRICT | HUNTINGTON BEACH, Orange, CA | Pass | Local |
| 2023-05-12 | SENTINEL PEAK RESOURCES CA LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Fail | Local |
| 2023-05-11 | STANTON ENERGY RELIABILITY CENTER, LLC | STANTON, Orange, CA | Pass | Local |
| 2023-05-11 | STANTON ENERGY RELIABILITY CENTER, LLC | STANTON, Orange, CA | Pass | Local |
| 2023-05-11 | HECK CELLARS — high-priority violation on file | CALIFORNIA, Undetermined, CA | Pass | Local |
| 2023-05-11 | HECK CELLARS — high-priority violation on file | CALIFORNIA, Undetermined, CA | Pass | Local |
| 2023-05-10 | SANTA CRUZ COUNTY PUBLIC WORKS-BUENA VISTA | WATSONVILLE, Santa Cruz, CA | Pass | Local |
| 2023-05-10 | SANTA CRUZ COUNTY PUBLIC WORKS-BUENA VISTA | WATSONVILLE, Santa Cruz, CA | Pass | Local |
| 2023-05-10 | SANTA CRUZ COUNTY PUBLIC WORKS-BUENA VISTA | WATSONVILLE, Santa Cruz, CA | Pass | Local |
| 2023-05-10 | ORANGE COUNTY SANITATION DISTRICT | HUNTINGTON BEACH, Orange, CA | Pass | Local |
| 2023-05-10 | SOUTHERN CALIFORNIA EDISON | REDLANDS, San Bernardino, CA | Pass | Local |
| 2023-05-10 | SOUTHERN CALIFORNIA EDISON | REDLANDS, San Bernardino, CA | Pass | Local |
| 2023-05-10 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-05-10 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-05-10 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-05-10 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-05-10 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-05-10 | FRITO-LAY NORTH AMERICA, INC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-05-10 | FRITO-LAY NORTH AMERICA, INC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-05-10 | FRITO-LAY NORTH AMERICA, INC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-05-10 | FRITO-LAY NORTH AMERICA, INC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-05-10 | FRITO-LAY NORTH AMERICA, INC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-05-10 | FRITO-LAY NORTH AMERICA, INC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-05-10 | FRITO-LAY NORTH AMERICA, INC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-05-10 | DTE STOCKTON LLC | STOCKTON, San Joaquin, CA | Fail | Local |
| 2023-05-10 | DTE STOCKTON LLC | STOCKTON, San Joaquin, CA | Fail | Local |
| 2023-05-10 | DTE STOCKTON LLC | STOCKTON, San Joaquin, CA | Fail | Local |
| 2023-05-10 | DTE STOCKTON LLC | STOCKTON, San Joaquin, CA | Fail | Local |
| 2023-05-10 | DTE STOCKTON LLC | STOCKTON, San Joaquin, CA | Fail | Local |
| 2023-05-10 | DTE STOCKTON LLC | STOCKTON, San Joaquin, CA | Fail | Local |
| 2023-05-10 | DTE STOCKTON LLC | STOCKTON, San Joaquin, CA | Fail | Local |
| 2023-05-10 | DTE STOCKTON LLC | STOCKTON, San Joaquin, CA | Fail | Local |
| 2023-05-10 | DTE STOCKTON LLC | STOCKTON, San Joaquin, CA | Fail | Local |
| 2023-05-10 | DTE STOCKTON LLC | STOCKTON, San Joaquin, CA | Fail | Local |
| 2023-05-10 | DTE STOCKTON LLC | STOCKTON, San Joaquin, CA | Fail | Local |
| 2023-05-10 | DTE STOCKTON LLC | STOCKTON, San Joaquin, CA | Fail | Local |
| 2023-05-10 | DTE STOCKTON LLC | STOCKTON, San Joaquin, CA | Fail | Local |
| 2023-05-10 | DTE STOCKTON LLC | STOCKTON, San Joaquin, CA | Fail | Local |
| 2023-05-10 | DTE STOCKTON LLC | STOCKTON, San Joaquin, CA | Fail | Local |
| 2023-05-10 | DTE STOCKTON LLC | STOCKTON, San Joaquin, CA | Fail | Local |
| 2023-05-10 | DTE STOCKTON LLC | STOCKTON, San Joaquin, CA | Fail | Local |
| 2023-05-10 | DTE STOCKTON LLC | STOCKTON, San Joaquin, CA | Fail | Local |
| 2023-05-10 | DTE STOCKTON LLC | STOCKTON, San Joaquin, CA | Fail | Local |
| 2023-05-10 | DTE STOCKTON LLC | STOCKTON, San Joaquin, CA | Fail | Local |
| 2023-05-10 | DTE STOCKTON LLC | STOCKTON, San Joaquin, CA | Fail | Local |
| 2023-05-10 | DTE STOCKTON LLC | STOCKTON, San Joaquin, CA | Fail | Local |
| 2023-05-10 | DTE STOCKTON LLC | STOCKTON, San Joaquin, CA | Fail | Local |
| 2023-05-10 | DTE STOCKTON LLC | STOCKTON, San Joaquin, CA | Fail | Local |
| 2023-05-10 | DTE STOCKTON LLC | STOCKTON, San Joaquin, CA | Fail | Local |
| 2023-05-10 | DTE STOCKTON LLC | STOCKTON, San Joaquin, CA | Fail | Local |
| 2023-05-10 | DTE STOCKTON LLC | STOCKTON, San Joaquin, CA | Fail | Local |
| 2023-05-10 | DTE STOCKTON LLC | STOCKTON, San Joaquin, CA | Fail | Local |
| 2023-05-10 | DTE STOCKTON LLC | STOCKTON, San Joaquin, CA | Fail | Local |
| 2023-05-10 | DTE STOCKTON LLC | STOCKTON, San Joaquin, CA | Fail | Local |
| 2023-05-10 | DTE STOCKTON LLC | STOCKTON, San Joaquin, CA | Fail | Local |
| 2023-05-10 | DTE STOCKTON LLC | STOCKTON, San Joaquin, CA | Fail | Local |
| 2023-05-10 | DTE STOCKTON LLC | STOCKTON, San Joaquin, CA | Fail | Local |
| 2023-05-10 | DTE STOCKTON LLC | STOCKTON, San Joaquin, CA | Fail | Local |
| 2023-05-10 | DTE STOCKTON LLC | STOCKTON, San Joaquin, CA | Fail | Local |
| 2023-05-10 | DTE STOCKTON LLC | STOCKTON, San Joaquin, CA | Fail | Local |
| 2023-05-10 | DTE STOCKTON LLC | STOCKTON, San Joaquin, CA | Fail | Local |
| 2023-05-10 | DTE STOCKTON LLC | STOCKTON, San Joaquin, CA | Fail | Local |
| 2023-05-10 | DTE STOCKTON LLC | STOCKTON, San Joaquin, CA | Fail | Local |
| 2023-05-10 | DTE STOCKTON LLC | STOCKTON, San Joaquin, CA | Fail | Local |
| 2023-05-10 | DTE STOCKTON LLC | STOCKTON, San Joaquin, CA | Fail | Local |
| 2023-05-10 | DTE STOCKTON LLC | STOCKTON, San Joaquin, CA | Fail | Local |
| 2023-05-10 | SILGAN CONTAINERS MFR.CORP | MODESTO, Stanislaus, CA | Pass | Local |
| 2023-05-10 | SILGAN CONTAINERS MFR.CORP | MODESTO, Stanislaus, CA | Pass | Local |
| 2023-05-10 | SILGAN CONTAINERS MFR.CORP | MODESTO, Stanislaus, CA | Pass | Local |
| 2023-05-10 | SOUTHERN CALIFORNIA GAS CO | VENTURA, Ventura, CA | Pass | Local |
| 2023-05-10 | NAVAL BASE VENTURA COUNTY - NCBC | PORT HUENEME, Ventura, CA | Pass | Local |
| 2023-05-09 | SHADOW WOLF ENERGY, LLC | SANTA CLARITA, Los Angeles, CA | Pass | Local |
| 2023-05-09 | ORANGE COUNTY SANITATION DISTRICT | HUNTINGTON BEACH, Orange, CA | Pass | Local |
| 2023-05-09 | STANTON ENERGY RELIABILITY CENTER, LLC | STANTON, Orange, CA | Pass | Local |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.