EPA Air · stack tests by state and year
Air-emissions stack tests in California, 2017
- 8,621Stack 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 2017; one facility can appear more than once, because this is a record of what happened rather than a list of places.
Counties in California, 2017
- Kern County 5,015
- Fresno County 1,089
- San Joaquin County 581
- Stanislaus County 382
- Kings County 319
- Merced County 308
- Madera County 262
- Los Angeles County 195
- Tulare County 121
- San Bernardino County 117
- Monterey County 39
- Orange County 31
- Riverside County 31
- Undetermined County 26
- Ventura County 25
- Imperial County 22
- Sacramento County 18
- San Diego County 17
- Placer County 9
- Santa Clara County 5
- Alameda County 4
- Sonoma County 3
California, other years
Air-emissions stack tests recorded in California, 2017
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2017-03-28 | CERTAINTEED CORP — high-priority violation on file | CHOWCHILLA, Madera, CA | Pass | Local |
| 2017-03-28 | CERTAINTEED CORP — high-priority violation on file | CHOWCHILLA, Madera, CA | Pass | Local |
| 2017-03-28 | CERTAINTEED CORP — high-priority violation on file | CHOWCHILLA, Madera, CA | Fail | Local |
| 2017-03-28 | CERTAINTEED CORP — high-priority violation on file | CHOWCHILLA, Madera, CA | Fail | Local |
| 2017-03-28 | CERTAINTEED CORP — high-priority violation on file | CHOWCHILLA, Madera, CA | Pass | Local |
| 2017-03-28 | CERTAINTEED CORP — high-priority violation on file | CHOWCHILLA, Madera, CA | Fail | Local |
| 2017-03-28 | CERTAINTEED CORP — high-priority violation on file | CHOWCHILLA, Madera, CA | Fail | Local |
| 2017-03-27 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2017-03-27 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2017-03-27 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2017-03-27 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2017-03-27 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2017-03-27 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2017-03-27 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2017-03-27 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2017-03-27 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2017-03-27 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2017-03-27 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2017-03-27 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2017-03-27 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2017-03-27 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2017-03-27 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2017-03-27 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2017-03-27 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2017-03-27 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2017-03-27 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2017-03-27 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2017-03-27 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2017-03-27 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2017-03-27 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2017-03-27 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2017-03-27 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2017-03-27 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2017-03-27 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2017-03-27 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2017-03-27 | PROCTER & GAMBLE PAPER PRODUCTS — high-priority violation on file | OXNARD, Ventura, CA | Pass | Local |
| 2017-03-24 | SEARLES VALLEY MINERALS (IMC CHEMICALS) — high-priority violation on file | TRONA, San Bernardino, CA | Pass | Local |
| 2017-03-24 | CALIFORNIA RESOURCES ELK HILLS LLC — high-priority violation on file | TUPMAN, Kern, CA | Pass | Local |
| 2017-03-24 | CALIFORNIA RESOURCES ELK HILLS LLC — high-priority violation on file | TUPMAN, Kern, CA | Pass | Local |
| 2017-03-24 | CALIFORNIA RESOURCES ELK HILLS LLC — high-priority violation on file | TUPMAN, Kern, CA | Pass | Local |
| 2017-03-24 | CALIFORNIA RESOURCES ELK HILLS LLC — high-priority violation on file | TUPMAN, Kern, CA | Pass | Local |
| 2017-03-24 | CALIFORNIA RESOURCES ELK HILLS LLC — high-priority violation on file | TUPMAN, Kern, CA | Pass | Local |
| 2017-03-24 | CALIFORNIA RESOURCES ELK HILLS LLC — high-priority violation on file | TUPMAN, Kern, CA | Pass | Local |
| 2017-03-24 | CALIFORNIA RESOURCES ELK HILLS LLC — high-priority violation on file | TUPMAN, Kern, CA | Pass | Local |
| 2017-03-24 | CALIFORNIA RESOURCES ELK HILLS LLC — high-priority violation on file | TUPMAN, Kern, CA | Pass | Local |
| 2017-03-24 | BAKERSFIELD CITY WASTEWATER #3 | BAKERSFIELD, Kern, CA | Pass | Local |
| 2017-03-24 | BAKERSFIELD CITY WASTEWATER #3 | BAKERSFIELD, Kern, CA | Pass | Local |
| 2017-03-24 | HILMAR CHEESE COMPANY — high-priority violation on file | HILMAR, Merced, CA | Fail | Local |
| 2017-03-24 | HILMAR CHEESE COMPANY — high-priority violation on file | HILMAR, Merced, CA | Fail | Local |
| 2017-03-24 | HILMAR CHEESE COMPANY — high-priority violation on file | HILMAR, Merced, CA | Fail | Local |
| 2017-03-24 | HILMAR CHEESE COMPANY — high-priority violation on file | HILMAR, Merced, CA | Fail | Local |
| 2017-03-23 | SO CAL GAS - BLYTHE | BLYTHE, Riverside, CA | Pass | Local |
| 2017-03-23 | PG&E- HINKLEY | HINKLEY, San Bernardino, CA | Pass | Local |
| 2017-03-23 | PG&E- HINKLEY | HINKLEY, San Bernardino, CA | Pass | Local |
| 2017-03-23 | PG&E- HINKLEY | HINKLEY, San Bernardino, CA | Pass | Local |
| 2017-03-23 | PG&E- HINKLEY | HINKLEY, San Bernardino, CA | Pass | Local |
| 2017-03-23 | PG&E- HINKLEY | HINKLEY, San Bernardino, CA | Pass | Local |
| 2017-03-23 | PG&E- HINKLEY | HINKLEY, San Bernardino, CA | Pass | Local |
| 2017-03-23 | PG&E- HINKLEY | HINKLEY, San Bernardino, CA | Pass | Local |
| 2017-03-23 | SHULTZ STEEL CO | SOUTH GATE, Los Angeles, CA | Pass | Local |
| 2017-03-23 | CAL INST OF TECH | PASADENA, Los Angeles, CA | Pass | Local |
| 2017-03-23 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2017-03-23 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2017-03-23 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2017-03-23 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2017-03-23 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2017-03-23 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2017-03-23 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2017-03-23 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2017-03-23 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2017-03-23 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2017-03-23 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2017-03-23 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2017-03-23 | KERN OIL & REFINING — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2017-03-23 | KERN OIL & REFINING — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2017-03-23 | KERN OIL & REFINING — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2017-03-23 | KERN OIL & REFINING — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2017-03-23 | KERN OIL & REFINING — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2017-03-23 | KERN OIL & REFINING — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2017-03-23 | KERN OIL & REFINING — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2017-03-23 | KERN OIL & REFINING — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2017-03-23 | KERN OIL & REFINING — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2017-03-23 | KERN OIL & REFINING — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2017-03-23 | KERN OIL & REFINING — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2017-03-23 | KERN OIL & REFINING — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2017-03-22 | SO CAL GAS - BLYTHE | BLYTHE, Riverside, CA | Pass | Local |
| 2017-03-22 | SO CAL GAS - BLYTHE | BLYTHE, Riverside, CA | Pass | Local |
| 2017-03-22 | SO CAL GAS - BLYTHE | BLYTHE, Riverside, CA | Pass | Local |
| 2017-03-22 | CEMEX LLC - BLACK MT. QUARRY | APPLE VALLEY, San Bernardino, CA | Pass | Local |
| 2017-03-22 | LADW&P-HAYNES STEAM | LONG BEACH, Los Angeles, CA | Pass | Local |
| 2017-03-22 | CAL INST OF TECH | PASADENA, Los Angeles, CA | Pass | Local |
| 2017-03-22 | CHEVRON USA HOLDINGS INC, KERN RIVER COGENERATION CO — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2017-03-22 | CHEVRON USA HOLDINGS INC, KERN RIVER COGENERATION CO — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2017-03-22 | CHEVRON USA HOLDINGS INC, KERN RIVER COGENERATION CO — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2017-03-22 | CHEVRON USA HOLDINGS INC, KERN RIVER COGENERATION CO — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2017-03-22 | CHEVRON USA HOLDINGS INC, KERN RIVER COGENERATION CO — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2017-03-22 | CHEVRON USA HOLDINGS INC, KERN RIVER COGENERATION CO — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2017-03-22 | CHEVRON USA HOLDINGS INC, KERN RIVER COGENERATION CO — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2017-03-22 | CHEVRON USA HOLDINGS INC, KERN RIVER COGENERATION CO — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2017-03-22 | CHEVRON USA HOLDINGS INC, KERN RIVER COGENERATION CO — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.