EPA Air · stack tests by state and year
Air-emissions stack tests in California, 2021
- 17,676Stack 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 2021; one facility can appear more than once, because this is a record of what happened rather than a list of places.
Counties in California, 2021
- Kern County 5,165
- Fresno County 4,644
- San Joaquin County 2,302
- Stanislaus County 1,917
- Kings County 1,819
- Merced County 494
- Madera County 448
- Tulare County 273
- Los Angeles County 251
- San Bernardino County 110
- Undetermined County 91
- Riverside County 40
- Monterey County 26
- Ventura County 20
- Sacramento County 19
- Orange County 19
- San Diego County 14
- Placer County 10
- Contra Costa County 3
- Alameda County 3
- Humboldt County 3
California, other years
Air-emissions stack tests recorded in California, 2021
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2021-12-03 | JR SIMPLOT CO — high-priority violation on file | LATHROP, San Joaquin, CA | Pass | Local |
| 2021-12-03 | JR SIMPLOT CO — high-priority violation on file | LATHROP, San Joaquin, CA | Pass | Local |
| 2021-12-03 | JR SIMPLOT CO — high-priority violation on file | LATHROP, San Joaquin, CA | Pass | Local |
| 2021-12-03 | JR SIMPLOT CO — high-priority violation on file | LATHROP, San Joaquin, CA | Pass | Local |
| 2021-12-03 | JR SIMPLOT CO — high-priority violation on file | LATHROP, San Joaquin, CA | Pass | Local |
| 2021-12-03 | JR SIMPLOT CO — high-priority violation on file | LATHROP, San Joaquin, CA | Pass | Local |
| 2021-12-03 | JR SIMPLOT CO — high-priority violation on file | LATHROP, San Joaquin, CA | Pass | Local |
| 2021-12-03 | JR SIMPLOT CO — high-priority violation on file | LATHROP, San Joaquin, CA | Pass | Local |
| 2021-12-03 | JR SIMPLOT CO — high-priority violation on file | LATHROP, San Joaquin, CA | Pass | Local |
| 2021-12-03 | JR SIMPLOT CO — high-priority violation on file | LATHROP, San Joaquin, CA | Pass | Local |
| 2021-12-02 | PASADENA CITY, DWP (EIS USE) | PASADENA, Los Angeles, CA | Pass | Local |
| 2021-12-02 | PASADENA CITY, DWP (EIS USE) | PASADENA, Los Angeles, CA | Pass | Local |
| 2021-12-02 | INEOS POLYPROPYLENE LLC | CARSON, Los Angeles, CA | Pass | Local |
| 2021-12-02 | PACTIV | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-12-02 | PACTIV | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-12-02 | PACTIV | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-12-02 | PACTIV | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-12-02 | PACTIV | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-12-02 | PACTIV | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-12-02 | PACTIV | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-12-02 | PACTIV | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-12-02 | PACTIV | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-12-02 | PACTIV | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-12-02 | PACTIV | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-12-02 | PACTIV | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-12-02 | PACTIV | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-12-02 | PACTIV | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-12-02 | PACTIV | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-12-02 | PACTIV | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-12-01 | CHULA VISTA ENERGY CENTER LLC | CHULA VISTA, San Diego, CA | Pass | Local |
| 2021-12-01 | ELK CORPORATION OF TEXAS | SHAFTER, Kern, CA | Pass | Local |
| 2021-12-01 | ELK CORPORATION OF TEXAS | SHAFTER, Kern, CA | Pass | Local |
| 2021-12-01 | ELK CORPORATION OF TEXAS | SHAFTER, Kern, CA | Pass | Local |
| 2021-11-30 | NORTHWEST PIPE & CASING__(NWP) | ADELANTO, San Bernardino, CA | Fail | Local |
| 2021-11-30 | AIR PROD & CHEM INC | CARSON, Los Angeles, CA | Pass | Local |
| 2021-11-30 | BRIDGE ENERGY, LLC | BREA, Orange, CA | Pass | Local |
| 2021-11-24 | RECONSERVE OF CALIFORNIA - STOCKTON INC | STOCKTON, San Joaquin, CA | Pass | Local |
| 2021-11-24 | RECONSERVE OF CALIFORNIA - STOCKTON INC | STOCKTON, San Joaquin, CA | Pass | Local |
| 2021-11-23 | TULARE CITY WASTE WATER PLANT — high-priority violation on file | TULARE, Tulare, CA | Pass | Local |
| 2021-11-22 | SALINAS VALLEY SOLID WASTE AUTHORITY | GONZALES, Monterey, CA | Pass | Local |
| 2021-11-19 | SENTINEL PEAK RESOURCES CA LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-11-19 | SENTINEL PEAK RESOURCES CA LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-11-18 | ALOGONQUIN POWER SANGER LLC — high-priority violation on file | SANGER, Fresno, CA | Pass | Local |
| 2021-11-18 | ALOGONQUIN POWER SANGER LLC — high-priority violation on file | SANGER, Fresno, CA | Pass | Local |
| 2021-11-18 | ALOGONQUIN POWER SANGER LLC — high-priority violation on file | SANGER, Fresno, CA | Pass | Local |
| 2021-11-18 | ALOGONQUIN POWER SANGER LLC — high-priority violation on file | SANGER, Fresno, CA | Pass | Local |
| 2021-11-18 | ALOGONQUIN POWER SANGER LLC — high-priority violation on file | SANGER, Fresno, CA | Pass | Local |
| 2021-11-18 | ALOGONQUIN POWER SANGER LLC — high-priority violation on file | SANGER, Fresno, CA | Pass | Local |
| 2021-11-18 | ALOGONQUIN POWER SANGER LLC — high-priority violation on file | SANGER, Fresno, CA | Pass | Local |
| 2021-11-18 | ALOGONQUIN POWER SANGER LLC — high-priority violation on file | SANGER, Fresno, CA | Pass | Local |
| 2021-11-18 | ALOGONQUIN POWER SANGER LLC — high-priority violation on file | SANGER, Fresno, CA | Pass | Local |
| 2021-11-18 | ALOGONQUIN POWER SANGER LLC — high-priority violation on file | SANGER, Fresno, CA | Pass | Local |
| 2021-11-18 | ALOGONQUIN POWER SANGER LLC — high-priority violation on file | SANGER, Fresno, CA | Pass | Local |
| 2021-11-18 | ALOGONQUIN POWER SANGER LLC — high-priority violation on file | SANGER, Fresno, CA | Pass | Local |
| 2021-11-18 | ALOGONQUIN POWER SANGER LLC — high-priority violation on file | SANGER, Fresno, CA | Pass | Local |
| 2021-11-18 | ALOGONQUIN POWER SANGER LLC — high-priority violation on file | SANGER, Fresno, CA | Pass | Local |
| 2021-11-18 | ALOGONQUIN POWER SANGER LLC — high-priority violation on file | SANGER, Fresno, CA | Pass | Local |
| 2021-11-18 | ALOGONQUIN POWER SANGER LLC — high-priority violation on file | SANGER, Fresno, CA | Pass | Local |
| 2021-11-18 | ALOGONQUIN POWER SANGER LLC — high-priority violation on file | SANGER, Fresno, CA | Pass | Local |
| 2021-11-18 | ALOGONQUIN POWER SANGER LLC — high-priority violation on file | SANGER, Fresno, CA | Pass | Local |
| 2021-11-18 | ALOGONQUIN POWER SANGER LLC — high-priority violation on file | SANGER, Fresno, CA | Pass | Local |
| 2021-11-18 | ALOGONQUIN POWER SANGER LLC — high-priority violation on file | SANGER, Fresno, CA | Pass | Local |
| 2021-11-18 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-11-18 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-11-18 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-11-18 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-11-18 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-11-18 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-11-18 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-11-18 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-11-18 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-11-18 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-11-18 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-11-18 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-11-18 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-11-17 | ANHEUSER-BUSCH LLC., (LA BREWERY) | VAN NUYS, Los Angeles, CA | Pass | Local |
| 2021-11-17 | B BRAUN MEDICAL | IRVINE, Orange, CA | Pass | Local |
| 2021-11-17 | CALIFORNIA STEEL INDUSTRIES INC — high-priority violation on file | FONTANA, San Bernardino, CA | Pass | Local |
| 2021-11-16 | SILGAN CONTAINERS | SACRAMENTO, Sacramento, CA | Pass | Local |
| 2021-11-16 | FRESNO COGEN PARTNERS | SAN JOAQUIN, Fresno, CA | Pass | Local |
| 2021-11-16 | FRESNO COGEN PARTNERS | SAN JOAQUIN, Fresno, CA | Pass | Local |
| 2021-11-16 | FRESNO COGEN PARTNERS | SAN JOAQUIN, Fresno, CA | Pass | Local |
| 2021-11-16 | FRESNO COGEN PARTNERS | SAN JOAQUIN, Fresno, CA | Pass | Local |
| 2021-11-16 | FRESNO COGEN PARTNERS | SAN JOAQUIN, Fresno, CA | Pass | Local |
| 2021-11-16 | FRESNO COGEN PARTNERS | SAN JOAQUIN, Fresno, CA | Pass | Local |
| 2021-11-16 | FRESNO COGEN PARTNERS | SAN JOAQUIN, Fresno, CA | Pass | Local |
| 2021-11-16 | FRESNO COGEN PARTNERS | SAN JOAQUIN, Fresno, CA | Pass | Local |
| 2021-11-16 | FRESNO COGEN PARTNERS | SAN JOAQUIN, Fresno, CA | Pass | Local |
| 2021-11-16 | FRESNO COGEN PARTNERS | SAN JOAQUIN, Fresno, CA | Pass | Local |
| 2021-11-16 | FRESNO COGEN PARTNERS | SAN JOAQUIN, Fresno, CA | Pass | Local |
| 2021-11-16 | FRESNO COGEN PARTNERS | SAN JOAQUIN, Fresno, CA | Pass | Local |
| 2021-11-16 | FRESNO COGEN PARTNERS | SAN JOAQUIN, Fresno, CA | Pass | Local |
| 2021-11-16 | FRESNO COGEN PARTNERS | SAN JOAQUIN, Fresno, CA | Pass | Local |
| 2021-11-16 | FRESNO COGEN PARTNERS | SAN JOAQUIN, Fresno, CA | Pass | Local |
| 2021-11-16 | FRESNO COGEN PARTNERS | SAN JOAQUIN, Fresno, CA | Pass | Local |
| 2021-11-16 | FRESNO COGEN PARTNERS | SAN JOAQUIN, Fresno, CA | Pass | Local |
| 2021-11-16 | FRESNO COGEN PARTNERS | SAN JOAQUIN, Fresno, CA | Pass | Local |
| 2021-11-16 | FRESNO COGEN PARTNERS | SAN JOAQUIN, Fresno, CA | Pass | Local |
| 2021-11-16 | FRESNO COGEN PARTNERS | SAN JOAQUIN, Fresno, CA | Pass | Local |
| 2021-11-16 | FRESNO COGEN PARTNERS | SAN JOAQUIN, Fresno, CA | Pass | Local |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.