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 |
|---|---|---|---|---|
| 2024-06-04 | DOUBLE C LIMITED | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-06-04 | DOUBLE C LIMITED | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-06-04 | DOUBLE C LIMITED | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-06-04 | DOUBLE C LIMITED | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-06-03 | MOSS LANDING POWER COMPANY LLC (FRMLY DYNEGY MOSS LANDING LLC) | MOSS LANDING, Monterey, CA | Pass | Local |
| 2024-06-03 | MOSS LANDING POWER COMPANY LLC (FRMLY DYNEGY MOSS LANDING LLC) | MOSS LANDING, Monterey, CA | Pass | Local |
| 2024-06-03 | MOSS LANDING POWER COMPANY LLC (FRMLY DYNEGY MOSS LANDING LLC) | MOSS LANDING, Monterey, CA | Pass | Local |
| 2024-06-03 | MOSS LANDING POWER COMPANY LLC (FRMLY DYNEGY MOSS LANDING LLC) | MOSS LANDING, Monterey, CA | Pass | Local |
| 2024-06-03 | CHEVRON PRODUCTS CO — high-priority violation on file | EL SEGUNDO, Los Angeles, CA | Pass | Local |
| 2024-06-03 | LONG BEACH GENERATION LLC | LONG BEACH, Los Angeles, CA | Pass | Local |
| 2024-06-03 | SFPP, L.P. | BLOOMINGTON, San Bernardino, CA | Pass | Local |
| 2024-05-31 | IVANPAH I, II, III | IVANPAH, San Bernardino, CA | Pass | Local |
| 2024-05-31 | IVANPAH I, II, III | IVANPAH, San Bernardino, CA | Pass | Local |
| 2024-05-31 | IVANPAH I, II, III | IVANPAH, San Bernardino, CA | Pass | Local |
| 2024-05-31 | KERN OIL & REFINING — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-05-31 | KERN OIL & REFINING — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-05-31 | KERN OIL & REFINING — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-05-31 | KERN OIL & REFINING — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-05-31 | KERN OIL & REFINING — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-05-31 | KERN OIL & REFINING — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-05-31 | KERN OIL & REFINING — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-05-31 | KERN OIL & REFINING — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-05-31 | KERN OIL & REFINING — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-05-31 | KERN OIL & REFINING — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-05-31 | KERN OIL & REFINING — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-05-31 | DEL MONTE CORP-HANFORD PLANT 24 | HANFORD, Kings, CA | Pass | Local |
| 2024-05-31 | DEL MONTE CORP-HANFORD PLANT 24 | HANFORD, Kings, CA | Pass | Local |
| 2024-05-31 | DEL MONTE CORP-HANFORD PLANT 24 | HANFORD, Kings, CA | Pass | Local |
| 2024-05-31 | DEL MONTE CORP-HANFORD PLANT 24 | HANFORD, Kings, CA | Pass | Local |
| 2024-05-31 | DEL MONTE CORP-HANFORD PLANT 24 | HANFORD, Kings, CA | Pass | Local |
| 2024-05-31 | DEL MONTE CORP-HANFORD PLANT 24 | HANFORD, Kings, CA | Pass | Local |
| 2024-05-30 | ROSEVILLE ELECTRIC, ENERGY PARK | ROSEVILLE, Placer, CA | Fail | Local |
| 2024-05-30 | AIR LIQUID LARGE INDUSTRIES US, LP | EL SEGUNDO, Los Angeles, CA | Pass | Local |
| 2024-05-30 | DTE STOCKTON LLC | STOCKTON, San Joaquin, CA | Pass | Local |
| 2024-05-30 | DTE STOCKTON LLC | STOCKTON, San Joaquin, CA | Pass | Local |
| 2024-05-30 | DTE STOCKTON LLC | STOCKTON, San Joaquin, CA | Pass | Local |
| 2024-05-30 | DTE STOCKTON LLC | STOCKTON, San Joaquin, CA | Pass | Local |
| 2024-05-30 | DTE STOCKTON LLC | STOCKTON, San Joaquin, CA | Pass | Local |
| 2024-05-30 | DTE STOCKTON LLC | STOCKTON, San Joaquin, CA | Pass | Local |
| 2024-05-30 | DTE STOCKTON LLC | STOCKTON, San Joaquin, CA | Pass | Local |
| 2024-05-30 | DTE STOCKTON LLC | STOCKTON, San Joaquin, CA | Pass | Local |
| 2024-05-30 | DTE STOCKTON LLC | STOCKTON, San Joaquin, CA | Pass | Local |
| 2024-05-30 | DTE STOCKTON LLC | STOCKTON, San Joaquin, CA | Pass | Local |
| 2024-05-30 | DTE STOCKTON LLC | STOCKTON, San Joaquin, CA | Pass | Local |
| 2024-05-30 | DTE STOCKTON LLC | STOCKTON, San Joaquin, CA | Pass | Local |
| 2024-05-30 | DTE STOCKTON LLC | STOCKTON, San Joaquin, CA | Pass | Local |
| 2024-05-30 | DTE STOCKTON LLC | STOCKTON, San Joaquin, CA | Pass | Local |
| 2024-05-30 | DTE STOCKTON LLC | STOCKTON, San Joaquin, CA | Pass | Local |
| 2024-05-30 | DTE STOCKTON LLC | STOCKTON, San Joaquin, CA | Pass | Local |
| 2024-05-30 | DTE STOCKTON LLC | STOCKTON, San Joaquin, CA | Pass | Local |
| 2024-05-30 | DTE STOCKTON LLC | STOCKTON, San Joaquin, CA | Pass | Local |
| 2024-05-30 | DTE STOCKTON LLC | STOCKTON, San Joaquin, CA | Pass | Local |
| 2024-05-30 | DTE STOCKTON LLC | STOCKTON, San Joaquin, CA | Pass | Local |
| 2024-05-30 | DTE STOCKTON LLC | STOCKTON, San Joaquin, CA | Pass | Local |
| 2024-05-30 | DTE STOCKTON LLC | STOCKTON, San Joaquin, CA | Pass | Local |
| 2024-05-30 | DTE STOCKTON LLC | STOCKTON, San Joaquin, CA | Pass | Local |
| 2024-05-30 | DTE STOCKTON LLC | STOCKTON, San Joaquin, CA | Pass | Local |
| 2024-05-30 | DTE STOCKTON LLC | STOCKTON, San Joaquin, CA | Pass | Local |
| 2024-05-30 | DTE STOCKTON LLC | STOCKTON, San Joaquin, CA | Pass | Local |
| 2024-05-30 | DTE STOCKTON LLC | STOCKTON, San Joaquin, CA | Pass | Local |
| 2024-05-30 | DTE STOCKTON LLC | STOCKTON, San Joaquin, CA | Pass | Local |
| 2024-05-30 | DTE STOCKTON LLC | STOCKTON, San Joaquin, CA | Pass | Local |
| 2024-05-30 | DTE STOCKTON LLC | STOCKTON, San Joaquin, CA | Pass | Local |
| 2024-05-30 | DTE STOCKTON LLC | STOCKTON, San Joaquin, CA | Pass | Local |
| 2024-05-30 | DTE STOCKTON LLC | STOCKTON, San Joaquin, CA | Pass | Local |
| 2024-05-30 | DTE STOCKTON LLC | STOCKTON, San Joaquin, CA | Pass | Local |
| 2024-05-30 | DTE STOCKTON LLC | STOCKTON, San Joaquin, CA | Pass | Local |
| 2024-05-30 | DTE STOCKTON LLC | STOCKTON, San Joaquin, CA | Pass | Local |
| 2024-05-30 | DTE STOCKTON LLC | STOCKTON, San Joaquin, CA | Pass | Local |
| 2024-05-30 | DTE STOCKTON LLC | STOCKTON, San Joaquin, CA | Pass | Local |
| 2024-05-30 | DTE STOCKTON LLC | STOCKTON, San Joaquin, CA | Pass | Local |
| 2024-05-30 | DTE STOCKTON LLC | STOCKTON, San Joaquin, CA | Pass | Local |
| 2024-05-30 | DTE STOCKTON LLC | STOCKTON, San Joaquin, CA | Pass | Local |
| 2024-05-30 | DTE STOCKTON LLC | STOCKTON, San Joaquin, CA | Pass | Local |
| 2024-05-30 | DTE STOCKTON LLC | STOCKTON, San Joaquin, CA | Pass | Local |
| 2024-05-29 | MITSUBISHI CEMENT CO — high-priority violation on file | LUCERNE VALLEY, San Bernardino, CA | Pass | Local |
| 2024-05-29 | NAWS - CHINA LAKE | CALIFORNIA, Undetermined, CA | Pass | Local |
| 2024-05-29 | ROSEVILLE ELECTRIC, ENERGY PARK | ROSEVILLE, Placer, CA | Pass | Local |
| 2024-05-29 | AES ALAMITOS STATION, LLC | LONG BEACH, Los Angeles, CA | Pass | Local |
| 2024-05-29 | LA CITY, DWP SCATTERGOOD GENERATING STN | PLAYA DEL REY, Los Angeles, CA | Pass | Local |
| 2024-05-29 | OWENS CORNING ROOFING & ASPHALT, LLC | COMPTON, Los Angeles, CA | Pass | Local |
| 2024-05-29 | AIR LIQUID LARGE INDUSTRIES US, LP | EL SEGUNDO, Los Angeles, CA | Pass | Local |
| 2024-05-29 | AIR LIQUID LARGE INDUSTRIES US, LP | EL SEGUNDO, Los Angeles, CA | Pass | Local |
| 2024-05-29 | CHALK CLIFF LIMITED | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-05-29 | CHALK CLIFF LIMITED | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-05-29 | CHALK CLIFF LIMITED | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-05-29 | CHALK CLIFF LIMITED | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-05-29 | CHALK CLIFF LIMITED | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-05-29 | CHALK CLIFF LIMITED | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-05-29 | CHALK CLIFF LIMITED | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-05-29 | CHALK CLIFF LIMITED | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-05-29 | CHALK CLIFF LIMITED | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-05-29 | CHALK CLIFF LIMITED | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-05-29 | CHALK CLIFF LIMITED | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-05-29 | CHALK CLIFF LIMITED | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-05-29 | CHALK CLIFF LIMITED | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-05-29 | CHALK CLIFF LIMITED | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-05-29 | CHALK CLIFF LIMITED | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-05-29 | CHALK CLIFF LIMITED | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-05-29 | CHALK CLIFF LIMITED | BAKERSFIELD, Kern, CA | Pass | Local |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.