EPA Air · stack tests by state and year
Air-emissions stack tests in California, 2018
- 7,098Stack 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 2018; one facility can appear more than once, because this is a record of what happened rather than a list of places.
Counties in California, 2018
- Kern County 3,352
- Fresno County 927
- San Joaquin County 584
- Stanislaus County 548
- Kings County 458
- Los Angeles County 412
- Merced County 214
- San Bernardino County 124
- Madera County 120
- Tulare County 116
- Orange County 61
- Riverside County 46
- Monterey County 36
- Ventura County 26
- Sacramento County 18
- Placer County 14
- San Diego County 14
- Sonoma County 10
- Alameda County 5
- Contra Costa County 5
- Santa Cruz County 3
California, other years
Air-emissions stack tests recorded in California, 2018
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2018-09-11 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2018-09-11 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2018-09-11 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2018-09-11 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2018-09-11 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2018-09-11 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2018-09-11 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2018-09-11 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2018-09-11 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2018-09-11 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2018-09-11 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2018-09-11 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2018-09-11 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2018-09-10 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2018-09-10 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2018-09-10 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2018-09-10 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2018-09-10 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2018-09-10 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2018-09-10 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2018-09-10 | CERTAINTEED CORP — high-priority violation on file | CHOWCHILLA, Madera, CA | Pass | Local |
| 2018-09-10 | CERTAINTEED CORP — high-priority violation on file | CHOWCHILLA, Madera, CA | Pass | Local |
| 2018-09-07 | HONEYWELL INTERNATIONAL INC | TORRANCE, Los Angeles, CA | Pass | Local |
| 2018-09-06 | TESORO REFINING & MARKETING CO, LLC — high-priority violation on file | CARSON, Los Angeles, CA | Pass | Local |
| 2018-09-06 | EQUILON ENTER. LLC, SHELL OIL PROD. US | CARSON, Los Angeles, CA | Pass | Local |
| 2018-09-06 | VALENCE SURFACE TECHNOLOGIES - LYNWOOD | LYNWOOD, Los Angeles, CA | Pass | Local |
| 2018-09-06 | VALENCE SURFACE TECHNOLOGIES - LYNWOOD | LYNWOOD, Los Angeles, CA | Pass | Local |
| 2018-09-06 | FONTANA PAPER MILLS INC | FONTANA, San Bernardino, CA | Pass | Local |
| 2018-09-06 | STEELSCAPE, INC | RANCHO CUCAMONGA, San Bernardino, CA | Pass | Local |
| 2018-09-06 | ELK CORPORATION OF TEXAS | SHAFTER, Kern, CA | Pass | Local |
| 2018-09-06 | ELK CORPORATION OF TEXAS | SHAFTER, Kern, CA | Pass | Local |
| 2018-09-06 | ELK CORPORATION OF TEXAS | SHAFTER, Kern, CA | Pass | Local |
| 2018-09-06 | FOSTER FOOD PRODUCTS — high-priority violation on file | LIVINGSTON, Merced, CA | Pass | Local |
| 2018-09-06 | FOSTER FOOD PRODUCTS — high-priority violation on file | LIVINGSTON, Merced, CA | Pass | Local |
| 2018-09-06 | ORMOND BEACH GENERATING STATION | OXNARD, Ventura, CA | Pass | Local |
| 2018-09-05 | AES ALAMITOS STATION, LLC | LONG BEACH, Los Angeles, CA | Pass | Local |
| 2018-09-05 | MM LOPEZ ENERGY LLC | SYLMAR, Los Angeles, CA | Pass | Local |
| 2018-09-05 | MM LOPEZ ENERGY LLC | SYLMAR, Los Angeles, CA | Pass | Local |
| 2018-09-05 | KERN OIL & REFINING — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2018-09-05 | KERN OIL & REFINING — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2018-09-05 | KERN OIL & REFINING — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2018-09-05 | KERN OIL & REFINING — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2018-09-05 | KERN OIL & REFINING — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2018-09-05 | KERN OIL & REFINING — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2018-09-05 | CHEVRON USA — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2018-09-05 | CHEVRON USA — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2018-09-05 | CHEVRON USA — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2018-09-05 | CHEVRON USA — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2018-09-05 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2018-09-05 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2018-09-04 | INGOMAR PACKING COMPANY | LOS BANOS, Merced, CA | Pass | Local |
| 2018-09-04 | INGOMAR PACKING COMPANY | LOS BANOS, Merced, CA | Pass | Local |
| 2018-09-04 | INGOMAR PACKING COMPANY | LOS BANOS, Merced, CA | Pass | Local |
| 2018-09-04 | INGOMAR PACKING COMPANY | LOS BANOS, Merced, CA | Pass | Local |
| 2018-09-04 | INGOMAR PACKING COMPANY | LOS BANOS, Merced, CA | Pass | Local |
| 2018-09-04 | INGOMAR PACKING COMPANY | LOS BANOS, Merced, CA | Pass | Local |
| 2018-09-04 | INGOMAR PACKING COMPANY | LOS BANOS, Merced, CA | Pass | Local |
| 2018-09-04 | INGOMAR PACKING COMPANY | LOS BANOS, Merced, CA | Pass | Local |
| 2018-09-04 | INGOMAR PACKING COMPANY | LOS BANOS, Merced, CA | Pass | Local |
| 2018-09-04 | INGOMAR PACKING COMPANY | LOS BANOS, Merced, CA | Pass | Local |
| 2018-09-04 | INGOMAR PACKING COMPANY | LOS BANOS, Merced, CA | Pass | Local |
| 2018-09-04 | INGOMAR PACKING COMPANY | LOS BANOS, Merced, CA | Pass | Local |
| 2018-09-04 | INGOMAR PACKING COMPANY | LOS BANOS, Merced, CA | Pass | Local |
| 2018-09-04 | INGOMAR PACKING COMPANY | LOS BANOS, Merced, CA | Pass | Local |
| 2018-09-04 | INGOMAR PACKING COMPANY | LOS BANOS, Merced, CA | Pass | Local |
| 2018-09-04 | INGOMAR PACKING COMPANY | LOS BANOS, Merced, CA | Pass | Local |
| 2018-09-04 | INGOMAR PACKING COMPANY | LOS BANOS, Merced, CA | Pass | Local |
| 2018-09-04 | INGOMAR PACKING COMPANY | LOS BANOS, Merced, CA | Pass | Local |
| 2018-08-31 | E & J GALLO WINERY | FRESNO, Fresno, CA | Pass | Local |
| 2018-08-31 | E & J GALLO WINERY | FRESNO, Fresno, CA | Pass | Local |
| 2018-08-31 | E & J GALLO WINERY | FRESNO, Fresno, CA | Pass | Local |
| 2018-08-31 | E & J GALLO WINERY | FRESNO, Fresno, CA | Pass | Local |
| 2018-08-31 | E & J GALLO WINERY | FRESNO, Fresno, CA | Pass | Local |
| 2018-08-31 | E & J GALLO WINERY | FRESNO, Fresno, CA | Pass | Local |
| 2018-08-31 | E & J GALLO WINERY | FRESNO, Fresno, CA | Pass | Local |
| 2018-08-31 | E & J GALLO WINERY | FRESNO, Fresno, CA | Pass | Local |
| 2018-08-30 | CA PORTLAND CEMENT CO | MOJAVE, Kern, CA | Pass | Local |
| 2018-08-30 | NATIONAL CEMENT CO | LEBEC, Kern, CA | Pass | Local |
| 2018-08-30 | E & J GALLO WINERY | FRESNO, Fresno, CA | Pass | Local |
| 2018-08-30 | E & J GALLO WINERY | FRESNO, Fresno, CA | Pass | Local |
| 2018-08-30 | E & J GALLO WINERY | FRESNO, Fresno, CA | Pass | Local |
| 2018-08-30 | E & J GALLO WINERY | FRESNO, Fresno, CA | Pass | Local |
| 2018-08-30 | E & J GALLO WINERY | FRESNO, Fresno, CA | Pass | Local |
| 2018-08-30 | E & J GALLO WINERY | FRESNO, Fresno, CA | Pass | Local |
| 2018-08-30 | E & J GALLO WINERY | FRESNO, Fresno, CA | Pass | Local |
| 2018-08-30 | E & J GALLO WINERY | FRESNO, Fresno, CA | Pass | Local |
| 2018-08-29 | AERA ENERGY LLC | SAN ARDO, Monterey, CA | Pass | Local |
| 2018-08-29 | TESORO REFINING AND MARKETING CO — high-priority violation on file | WILMINGTON, Los Angeles, CA | Pass | Local |
| 2018-08-29 | EASTERN MUNICIPAL WATER DISTRICT | TEMECULA, Riverside, CA | Pending | Local |
| 2018-08-29 | E & J GALLO WINERY | FRESNO, Fresno, CA | Pass | Local |
| 2018-08-29 | E & J GALLO WINERY | FRESNO, Fresno, CA | Pass | Local |
| 2018-08-29 | E & J GALLO WINERY | FRESNO, Fresno, CA | Pass | Local |
| 2018-08-29 | E & J GALLO WINERY | FRESNO, Fresno, CA | Pass | Local |
| 2018-08-29 | WEST KERN WATER DISTRICT | TAFT, Kern, CA | Pass | Local |
| 2018-08-29 | WEST KERN WATER DISTRICT | TAFT, Kern, CA | Pass | Local |
| 2018-08-28 | CALPINE KING CITY COGEN, LLC | KING CITY, Monterey, CA | Pass | Local |
| 2018-08-28 | ROSEVILLE ELECTRIC, ENERGY PARK | ROSEVILLE, Placer, CA | Pass | Local |
| 2018-08-28 | SACRAMENTO AREA SEWER DISTRICT | ELK GROVE, Sacramento, CA | Pass | Local |
| 2018-08-28 | AES ALAMITOS STATION, LLC | LONG BEACH, Los Angeles, CA | Pass | Local |
| 2018-08-28 | TESORO REFINING AND MARKETING CO — high-priority violation on file | WILMINGTON, Los Angeles, CA | Pass | Local |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.