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 |
|---|---|---|---|---|
| 2017-01-17 | AERA ENERGY - KERN MIDWAY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2017-01-17 | AERA ENERGY - KERN MIDWAY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2017-01-17 | AERA ENERGY - KERN MIDWAY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2017-01-17 | AERA ENERGY - KERN MIDWAY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2017-01-17 | AERA ENERGY - KERN MIDWAY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2017-01-17 | AERA ENERGY - KERN MIDWAY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2017-01-17 | AERA ENERGY - KERN MIDWAY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2017-01-17 | AERA ENERGY - KERN MIDWAY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2017-01-17 | AERA ENERGY - KERN MIDWAY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2017-01-17 | AERA ENERGY - KERN MIDWAY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2017-01-17 | AERA ENERGY - KERN MIDWAY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2017-01-17 | AERA ENERGY - KERN MIDWAY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2017-01-17 | AERA ENERGY - KERN MIDWAY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2017-01-17 | AERA ENERGY - KERN MIDWAY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2017-01-17 | AERA ENERGY - KERN MIDWAY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2017-01-17 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2017-01-17 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2017-01-17 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2017-01-17 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2017-01-17 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2017-01-17 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2017-01-17 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2017-01-17 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2017-01-17 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2017-01-17 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2017-01-17 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2017-01-17 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2017-01-17 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2017-01-17 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2017-01-17 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2017-01-17 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2017-01-17 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2017-01-17 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2017-01-17 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2017-01-17 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2017-01-17 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2017-01-17 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2017-01-17 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2017-01-17 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2017-01-17 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2017-01-17 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2017-01-17 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2017-01-17 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2017-01-17 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2017-01-17 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2017-01-17 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2017-01-17 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2017-01-17 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2017-01-17 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2017-01-17 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2017-01-17 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2017-01-17 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2017-01-17 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2017-01-17 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2017-01-17 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2017-01-17 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2017-01-17 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2017-01-17 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2017-01-17 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2017-01-17 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2017-01-17 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2017-01-17 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2017-01-17 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2017-01-16 | SAN ANTONIO REGIONAL HOSPITAL | UPLAND, San Bernardino, CA | Pass | Local |
| 2017-01-13 | CRIMSON PIPELINE, LP | VENTURA, Ventura, CA | Pass | Local |
| 2017-01-12 | AERA ENERGY — high-priority violation on file | COALINGA, Fresno, CA | Pass | Local |
| 2017-01-12 | AERA ENERGY — high-priority violation on file | COALINGA, Fresno, CA | Pass | Local |
| 2017-01-12 | AERA ENERGY — high-priority violation on file | COALINGA, Fresno, CA | Pass | Local |
| 2017-01-12 | AERA ENERGY — high-priority violation on file | COALINGA, Fresno, CA | Pass | Local |
| 2017-01-12 | AERA ENERGY — high-priority violation on file | COALINGA, Fresno, CA | Pass | Local |
| 2017-01-12 | AERA ENERGY — high-priority violation on file | COALINGA, Fresno, CA | Pass | Local |
| 2017-01-12 | AERA ENERGY — high-priority violation on file | COALINGA, Fresno, CA | Pass | Local |
| 2017-01-12 | AERA ENERGY — high-priority violation on file | COALINGA, Fresno, CA | Pass | Local |
| 2017-01-12 | AERA ENERGY — high-priority violation on file | COALINGA, Fresno, CA | Pass | Local |
| 2017-01-12 | AERA ENERGY — high-priority violation on file | COALINGA, Fresno, CA | Pass | Local |
| 2017-01-12 | AERA ENERGY — high-priority violation on file | COALINGA, Fresno, CA | Pass | Local |
| 2017-01-12 | AERA ENERGY — high-priority violation on file | COALINGA, Fresno, CA | Pass | Local |
| 2017-01-12 | AERA ENERGY — high-priority violation on file | COALINGA, Fresno, CA | Pass | Local |
| 2017-01-12 | AERA ENERGY — high-priority violation on file | COALINGA, Fresno, CA | Pass | Local |
| 2017-01-12 | AERA ENERGY — high-priority violation on file | COALINGA, Fresno, CA | Pass | Local |
| 2017-01-12 | AERA ENERGY — high-priority violation on file | COALINGA, Fresno, CA | Pass | Local |
| 2017-01-11 | AERA ENERGY LLC | SAN ARDO, Monterey, CA | Pass | Local |
| 2017-01-11 | TREND OFFSET PRINTING SERVICES INC — high-priority violation on file | LOS ALAMITOS, Orange, CA | Pass | Local |
| 2017-01-11 | PG&E | HOLT, San Joaquin, CA | Pass | Local |
| 2017-01-11 | PG&E | HOLT, San Joaquin, CA | Pass | Local |
| 2017-01-11 | PG&E | HOLT, San Joaquin, CA | Pass | Local |
| 2017-01-11 | PG&E | HOLT, San Joaquin, CA | Pass | Local |
| 2017-01-11 | PG&E | HOLT, San Joaquin, CA | Pass | Local |
| 2017-01-11 | PG&E | HOLT, San Joaquin, CA | Pass | Local |
| 2017-01-11 | PG&E | HOLT, San Joaquin, CA | Pass | Local |
| 2017-01-11 | PG&E | HOLT, San Joaquin, CA | Pass | Local |
| 2017-01-11 | PG&E | HOLT, San Joaquin, CA | Pass | Local |
| 2017-01-11 | PG&E | HOLT, San Joaquin, CA | Pass | Local |
| 2017-01-11 | PG&E | HOLT, San Joaquin, CA | Pass | Local |
| 2017-01-11 | PG&E | HOLT, San Joaquin, CA | Pass | Local |
| 2017-01-11 | PG&E | HOLT, San Joaquin, CA | Pass | Local |
| 2017-01-11 | PG&E | HOLT, San Joaquin, CA | Pass | Local |
| 2017-01-11 | PG&E | HOLT, San Joaquin, CA | Pass | Local |
| 2017-01-11 | PG&E | HOLT, San Joaquin, CA | Pass | Local |
| 2017-01-11 | PG&E | HOLT, San Joaquin, CA | Pass | Local |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.