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 |
|---|---|---|---|---|
| 2024-12-29 | CRIMSON RESOURCE MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-12-26 | SO CAL GAS CO | NORTHRIDGE, Los Angeles, CA | Pass | Local |
| 2024-12-23 | DEMENNO-KERDOON DBA WORLD OIL RECYCLING | COMPTON, Los Angeles, CA | Pass | Local |
| 2024-12-23 | WESTLAKE ROYAL ROOFING LLC | CORONA, Riverside, CA | Pass | Local |
| 2024-12-21 | DEMENNO-KERDOON DBA WORLD OIL RECYCLING | COMPTON, Los Angeles, CA | Pass | Local |
| 2024-12-21 | TESORO LOGISTICS OPERATIONS-LONG BEACH | LONG BEACH, Los Angeles, CA | Pass | Local |
| 2024-12-20 | BREA PARENT 2007, LLC | BREA, Orange, CA | Pass | Local |
| 2024-12-20 | CITY OF COLTON | COLTON, San Bernardino, CA | Pass | Local |
| 2024-12-20 | SENTINEL PEAK RESOURCES CA LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-12-19 | LODI GAS STORAGE LLC | ACAMPO, San Joaquin, CA | Pass | Local |
| 2024-12-19 | LODI GAS STORAGE LLC | ACAMPO, San Joaquin, CA | Pass | Local |
| 2024-12-19 | LODI GAS STORAGE LLC | ACAMPO, San Joaquin, CA | Pass | Local |
| 2024-12-19 | LODI GAS STORAGE LLC | ACAMPO, San Joaquin, CA | Pass | Local |
| 2024-12-19 | LODI GAS STORAGE LLC | ACAMPO, San Joaquin, CA | Pass | Local |
| 2024-12-19 | LODI GAS STORAGE LLC | ACAMPO, San Joaquin, CA | Pass | Local |
| 2024-12-18 | MITSUBISHI CEMENT CO — high-priority violation on file | LUCERNE VALLEY, San Bernardino, CA | Pass | Local |
| 2024-12-18 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-12-18 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-12-18 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-12-18 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-12-18 | BALL WESTERN CAN COMPANY | OAKDALE, Stanislaus, CA | Pass | Local |
| 2024-12-18 | BALL WESTERN CAN COMPANY | OAKDALE, Stanislaus, CA | Pass | Local |
| 2024-12-18 | BALL WESTERN CAN COMPANY | OAKDALE, Stanislaus, CA | Pass | Local |
| 2024-12-17 | CALPINE KING CITY COGEN, LLC | KING CITY, Monterey, CA | Pass | Local |
| 2024-12-17 | USMC - AGCC 29 PALMS | TWENTYNINE PALMS, San Bernardino, CA | Pass | Local |
| 2024-12-17 | FRESNO COGEN PARTNERS | SAN JOAQUIN, Fresno, CA | Pass | Local |
| 2024-12-17 | FRESNO COGEN PARTNERS | SAN JOAQUIN, Fresno, CA | Pass | Local |
| 2024-12-17 | FRESNO COGEN PARTNERS | SAN JOAQUIN, Fresno, CA | Pass | Local |
| 2024-12-17 | FRESNO COGEN PARTNERS | SAN JOAQUIN, Fresno, CA | Pass | Local |
| 2024-12-17 | FRESNO COGEN PARTNERS | SAN JOAQUIN, Fresno, CA | Pass | Local |
| 2024-12-17 | FRESNO COGEN PARTNERS | SAN JOAQUIN, Fresno, CA | Pass | Local |
| 2024-12-17 | FRESNO COGEN PARTNERS | SAN JOAQUIN, Fresno, CA | Pass | Local |
| 2024-12-17 | FRESNO COGEN PARTNERS | SAN JOAQUIN, Fresno, CA | Pass | Local |
| 2024-12-17 | FRESNO COGEN PARTNERS | SAN JOAQUIN, Fresno, CA | Pass | Local |
| 2024-12-17 | FRESNO COGEN PARTNERS | SAN JOAQUIN, Fresno, CA | Pass | Local |
| 2024-12-17 | FRESNO COGEN PARTNERS | SAN JOAQUIN, Fresno, CA | Pass | Local |
| 2024-12-17 | FRESNO COGEN PARTNERS | SAN JOAQUIN, Fresno, CA | Pass | Local |
| 2024-12-17 | FRESNO COGEN PARTNERS | SAN JOAQUIN, Fresno, CA | Pass | Local |
| 2024-12-17 | FRESNO COGEN PARTNERS | SAN JOAQUIN, Fresno, CA | Pass | Local |
| 2024-12-17 | FRESNO COGEN PARTNERS | SAN JOAQUIN, Fresno, CA | Pass | Local |
| 2024-12-17 | FRESNO COGEN PARTNERS | SAN JOAQUIN, Fresno, CA | Pass | Local |
| 2024-12-17 | PACIFIC PIPELINE SYSTEM, LLC — high-priority violation on file | METTLER, Kern, CA | Pass | Local |
| 2024-12-17 | PACIFIC PIPELINE SYSTEM, LLC — high-priority violation on file | METTLER, Kern, CA | Pass | Local |
| 2024-12-17 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-12-17 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-12-17 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-12-17 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-12-17 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-12-17 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-12-17 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-12-17 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-12-17 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-12-17 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-12-16 | USMC - AGCC 29 PALMS | TWENTYNINE PALMS, San Bernardino, CA | Pass | Local |
| 2024-12-16 | WALNUT CREEK ENERGY, LLC | CITY OF INDUSTRY, Los Angeles, CA | Pass | Local |
| 2024-12-13 | MONTEREY REGIONAL WASTE MGMT DIST | MARINA, Monterey, CA | Pass | Local |
| 2024-12-13 | VICTOR VALLEY WASTEWATER RECLAMATION AUTHORITY | VICTORVILLE, San Bernardino, CA | Pass | Local |
| 2024-12-13 | VICTOR VALLEY WASTEWATER RECLAMATION AUTHORITY | VICTORVILLE, San Bernardino, CA | Pass | Local |
| 2024-12-13 | AIR PROD & CHEM INC | CARSON, Los Angeles, CA | Pass | Local |
| 2024-12-12 | AERA ENERGY LLC | SAN ARDO, Monterey, CA | Pass | Local |
| 2024-12-12 | AERA ENERGY LLC | SAN ARDO, Monterey, CA | Pass | Local |
| 2024-12-12 | HARBOR COGENERATION CO, LLC | WILMINGTON, Los Angeles, CA | Pass | Local |
| 2024-12-12 | AIR PROD & CHEM INC | CARSON, Los Angeles, CA | Pass | Local |
| 2024-12-12 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-12-12 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-12-12 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-12-12 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-12-11 | AERA ENERGY LLC | SAN ARDO, Monterey, CA | Pass | Local |
| 2024-12-11 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-12-11 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-12-11 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-12-11 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-12-11 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-12-11 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-12-11 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-12-11 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-12-11 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-12-11 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-12-11 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-12-11 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-12-11 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-12-11 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-12-11 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-12-11 | E&B NATIONAL RESOURCES MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-12-11 | E&B NATIONAL RESOURCES MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-12-11 | E&B NATIONAL RESOURCES MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-12-11 | E&B NATIONAL RESOURCES MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-12-11 | E&B NATIONAL RESOURCES MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-12-11 | E&B NATIONAL RESOURCES MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-12-11 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | KERN COUNTY, Kern, CA | Pass | Local |
| 2024-12-11 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | KERN COUNTY, Kern, CA | Pass | Local |
| 2024-12-11 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | KERN COUNTY, Kern, CA | Pass | Local |
| 2024-12-11 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | KERN COUNTY, Kern, CA | Pass | Local |
| 2024-12-11 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | KERN COUNTY, Kern, CA | Pass | Local |
| 2024-12-11 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | KERN COUNTY, Kern, CA | Pass | Local |
| 2024-12-11 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | KERN COUNTY, Kern, CA | Pass | Local |
| 2024-12-11 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | KERN COUNTY, Kern, CA | Pass | Local |
| 2024-12-11 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | KERN COUNTY, Kern, CA | Pass | Local |
| 2024-12-11 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | KERN COUNTY, Kern, CA | Pass | Local |
| 2024-12-11 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | KERN COUNTY, Kern, CA | Pass | Local |
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Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.