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 |
|---|---|---|---|---|
| 2017-10-03 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2017-10-03 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2017-10-03 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2017-10-03 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2017-10-03 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2017-10-03 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2017-10-03 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2017-10-03 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2017-10-03 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2017-10-03 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2017-10-03 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2017-10-03 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2017-10-03 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2017-10-03 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2017-10-03 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2017-10-02 | OLDCASTLE INFRASTRUCTURE | NUEVO, Riverside, CA | Pass | Local |
| 2017-10-02 | MCGRATH PEAKER GENERATING STATION | OXNARD, Ventura, CA | Pass | Local |
| 2017-10-01 | CARLTON FORGE WORKS | PARAMOUNT, Los Angeles, CA | Pass | Local |
| 2017-09-29 | ULTRAMAR INC | WILMINGTON, Los Angeles, CA | Pass | Local |
| 2017-09-28 | ALLIED IMPERIAL LANDFILL | IMPERIAL, Imperial, CA | Pass | Local |
| 2017-09-28 | CHEVRON POWER HOLDINGS, INC. FOR SALINAS RIVER COGENERATION FACILITY | SAN ARDO, Monterey, CA | Pass | Local |
| 2017-09-28 | CEMEX LLC - BLACK MT. QUARRY | APPLE VALLEY, San Bernardino, CA | Pass | Local |
| 2017-09-28 | NASSCO (NAT'L STEEL & SHIPBUILDING) | SAN DIEGO, San Diego, CA | Pending | Local |
| 2017-09-28 | NASSCO (NAT'L STEEL & SHIPBUILDING) | SAN DIEGO, San Diego, CA | Pending | Local |
| 2017-09-28 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2017-09-28 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2017-09-27 | CEMEX LLC - BLACK MT. QUARRY | APPLE VALLEY, San Bernardino, CA | Pass | Local |
| 2017-09-27 | PHILLIPS 66 COMPANY/LA REFINERY | CARSON, Los Angeles, CA | Pass | Local |
| 2017-09-27 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2017-09-27 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2017-09-26 | LA CO. SANITATION DIST | CARSON, Los Angeles, CA | Pass | Local |
| 2017-09-26 | SAN DIEGO GAS & ELECTRIC | MORENO VALLEY, Riverside, CA | Pass | Local |
| 2017-09-26 | JR SIMPLOT | HELM, Fresno, CA | Pass | Local |
| 2017-09-26 | JR SIMPLOT | HELM, Fresno, CA | Pass | Local |
| 2017-09-26 | JR SIMPLOT | HELM, Fresno, CA | Pass | Local |
| 2017-09-26 | JR SIMPLOT | HELM, Fresno, CA | Pass | Local |
| 2017-09-26 | JR SIMPLOT | HELM, Fresno, CA | Pass | Local |
| 2017-09-26 | JR SIMPLOT | HELM, Fresno, CA | Pass | Local |
| 2017-09-26 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2017-09-26 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2017-09-26 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2017-09-26 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2017-09-26 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2017-09-26 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2017-09-26 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2017-09-26 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2017-09-26 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2017-09-26 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2017-09-26 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2017-09-26 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2017-09-26 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2017-09-26 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2017-09-26 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2017-09-26 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2017-09-26 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2017-09-26 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2017-09-26 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2017-09-26 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2017-09-26 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2017-09-26 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2017-09-26 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2017-09-26 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2017-09-26 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2017-09-26 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2017-09-26 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2017-09-26 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2017-09-26 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2017-09-26 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2017-09-26 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2017-09-26 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2017-09-26 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2017-09-26 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2017-09-26 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2017-09-26 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2017-09-26 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2017-09-26 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2017-09-26 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2017-09-25 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2017-09-25 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2017-09-25 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2017-09-25 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2017-09-25 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2017-09-25 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2017-09-25 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2017-09-25 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2017-09-25 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2017-09-25 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2017-09-25 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2017-09-25 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2017-09-25 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2017-09-25 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2017-09-25 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2017-09-25 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2017-09-25 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2017-09-25 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2017-09-25 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2017-09-25 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2017-09-25 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2017-09-25 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2017-09-25 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.