EPA Air · stack tests by year
Air-emissions stack tests in 2017
- 27,755Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit.
States, 2017
- California 8,621
- Ohio 2,537
- Indiana 1,812
- Oklahoma 1,681
- Florida 1,608
- Georgia 1,298
- Pennsylvania 781
- Mississippi 663
- Arkansas 651
- Texas 538
- Alabama 510
- Iowa 430
- Washington 427
- Missouri 398
- Colorado 361
- Montana 332
- North Carolina 331
- West Virginia 285
- Wisconsin 285
- Michigan 268
- Minnesota 257
- Wyoming 235
- South Carolina 222
- Kansas 214
- Delaware 213
- Alaska 198
- Kentucky 184
- Louisiana 183
- Illinois 182
- Utah 180
- Tennessee 155
- Nebraska 152
- Virginia 142
- North Dakota 141
- New Jersey 132
- Connecticut 126
- Maine 122
- Oregon 113
- New York 99
- New Hampshire 95
- Hawaii 89
- Idaho 78
- Arizona 77
- Maryland 69
- Massachusetts 62
- South Dakota 58
- Nevada 56
- District of Columbia 35
- New Mexico 24
- Rhode Island 24
- Vermont 13
- Puerto Rico 8
Other years
Air-emissions stack tests recorded in 2017
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2017-10-03 | HOMER CITY GEN LP/CENTER TWP | HOMER CITY, Indiana, PA | Pass | State |
| 2017-10-03 | EASTERN GAS TRANS & STORAGE INC/ARDELL COMP STA/ELK | WEEDVILLE, Elk, PA | Pass | State |
| 2017-10-03 | LAUREL MTN MIDSTREAM OPR LLC/SPRINGHILL COMP STA | LAKE LYNN, Fayette, PA | Pass | State |
| 2017-10-03 | MARKWEST LIBERTY MIDSTREAM/WELLING COMP STA | CLAYSVILLE, Washington, PA | Pass | State |
| 2017-10-03 | HERMITAGE MUNI AUTH/HERMITAGE WPCP | HERMITAGE, Mercer, PA | Pass | State |
| 2017-10-03 | EQM GATHERING OPCO LLC/PETTIT COMP STA | HOLBROOK, Greene, PA | Pass | State |
| 2017-10-03 | RESONAC GRAPHITE AMERICA INC — high-priority violation on file | RIDGEVILLE, Dorchester, SC | Pass | State |
| 2017-10-03 | KING ASPHALT, INC. - MCCONNELLS | MCCONNELLS, York, SC | Fail | State |
| 2017-10-03 | PORT ARTHUR REFINERY — high-priority violation on file | PORT ARTHUR, Jefferson, TX | Pass | State |
| 2017-10-03 | CORE APPALACHIA MIDSTREAM LLC, HORSE CREEK | JULIAN, Boone, WV | Pass | State |
| 2017-10-03 | MONONGAHELA POWER COMPANY, HARRISON STATION | HAYWOOD, Harrison, WV | Pass | State |
| 2017-10-03 | EQUITRANS, L. P., BLACKSVILLE STATION | BLACKSVILLE, Monongalia, WV | Pass | State |
| 2017-10-03 | LARAMIE CEMENT PLANT (MOUNTAIN CEMENT CO.) — high-priority violation on file | LARAMIE, Albany, WY | Pass | State |
| 2017-10-02 | CONOCOPHILLIPS ALASKA, INC. / ALPINE CENTRAL PROCESSING FACILITY | NORTH SLOPE BOROUGH, North Slope, AK | Pass | State |
| 2017-10-02 | W&T OFFSHORE, INC. | MOBILE BAY, Mobile, AL | Pass | State |
| 2017-10-02 | W&T OFFSHORE, INC. | MOBILE BAY, Mobile, AL | Pass | State |
| 2017-10-02 | OLDCASTLE INFRASTRUCTURE | NUEVO, Riverside, CA | Pass | Local |
| 2017-10-02 | MCGRATH PEAKER GENERATING STATION | OXNARD, Ventura, CA | Pass | Local |
| 2017-10-02 | PLAINS END, LLC | ARVADA, Jefferson, CO | Pass | State |
| 2017-10-02 | MOSAIC FERTILIZER LLC — high-priority violation on file | MULBERRY, Polk, FL | Pass | State |
| 2017-10-02 | MOSAIC FERTILIZER LLC — high-priority violation on file | MULBERRY, Polk, FL | Pass | State |
| 2017-10-02 | MOSAIC FERTILIZER LLC — high-priority violation on file | MULBERRY, Polk, FL | Pass | State |
| 2017-10-02 | TES FILER CITY STATION | FILER CITY, Manistee, MI | Pass | State |
| 2017-10-02 | FORD MOTOR CO-KANSAS CITY ASSEMBLY PLANT | CLAYCOMO, Clay, MO | Pending | State |
| 2017-10-02 | EP ENGINEERED CLAYS CORPORATION — high-priority violation on file | JACKSON, Hinds, MS | Pass | State |
| 2017-10-02 | EP ENGINEERED CLAYS CORPORATION — high-priority violation on file | JACKSON, Hinds, MS | Pass | State |
| 2017-10-02 | EP ENGINEERED CLAYS CORPORATION — high-priority violation on file | JACKSON, Hinds, MS | Pass | State |
| 2017-10-02 | EP ENGINEERED CLAYS CORPORATION — high-priority violation on file | JACKSON, Hinds, MS | Pass | State |
| 2017-10-02 | EP ENGINEERED CLAYS CORPORATION — high-priority violation on file | JACKSON, Hinds, MS | Pass | State |
| 2017-10-02 | EP ENGINEERED CLAYS CORPORATION — high-priority violation on file | JACKSON, Hinds, MS | Pass | State |
| 2017-10-02 | EP ENGINEERED CLAYS CORPORATION — high-priority violation on file | JACKSON, Hinds, MS | Pass | State |
| 2017-10-02 | EP ENGINEERED CLAYS CORPORATION — high-priority violation on file | JACKSON, Hinds, MS | Pass | State |
| 2017-10-02 | PCS PHOSPHATE COMPANY, INC. - AURORA | AURORA, Beaufort, NC | Pass | State |
| 2017-10-02 | STUART MUNICIPAL POWER PLANT — high-priority violation on file | STUART, Holt, NE | Pass | State |
| 2017-10-02 | OVERLAND SAND & GRAVEL EAGLE | CLARKS, Merrick, NE | Pass | State |
| 2017-10-02 | BLUE CHIP PIT & READY MIX | SILVER CREEK, Merrick, NE | Pass | State |
| 2017-10-02 | MCKEE MATERIALS LLC - PLANT 1 | NELSONVILLE, Athens, OH | Pass | State |
| 2017-10-02 | WILLIAMS MIDSTREAM GAS SERVICES LLC / HELENA COMPRESSOR STATION | HELENA, Alfalfa, OK | Pass | State |
| 2017-10-02 | WILLIAMS MIDSTREAM GAS SERVICES LLC / HELENA COMPRESSOR STATION | HELENA, Alfalfa, OK | Pass | State |
| 2017-10-02 | WILLIAMS MIDSTREAM GAS SERVICES LLC / HELENA COMPRESSOR STATION | HELENA, Alfalfa, OK | Pass | State |
| 2017-10-02 | TOM STACK LLC / ANTHEM COMPRESSOR FACILITY — high-priority violation on file | EL RENO, Canadian, OK | Pass | State |
| 2017-10-02 | TOM STACK LLC / ANTHEM COMPRESSOR FACILITY — high-priority violation on file | EL RENO, Canadian, OK | Pass | State |
| 2017-10-02 | TPL ARKOMA HOLDINGS LLC / COALGATE TUPELO STONEWALL GAS PLANT — high-priority violation on file | COALGATE, Coal, OK | Pass | State |
| 2017-10-02 | TPL ARKOMA HOLDINGS LLC / COALGATE TUPELO STONEWALL GAS PLANT — high-priority violation on file | COALGATE, Coal, OK | Pass | State |
| 2017-10-02 | ET GATHERING PROCESSING LLC / TABLER COMPRESSOR STATION | TABLER, Grady, OK | Pass | State |
| 2017-10-02 | ET GATHERING PROCESSING LLC / TABLER COMPRESSOR STATION | TABLER, Grady, OK | Pass | State |
| 2017-10-02 | ET GATHERING PROCESSING LLC / TABLER COMPRESSOR STATION | TABLER, Grady, OK | Pass | State |
| 2017-10-02 | ET GATHERING PROCESSING LLC / TABLER COMPRESSOR STATION | TABLER, Grady, OK | Pass | State |
| 2017-10-02 | TALL OAK MIDCON LLC / JEFFERSON COMPRESSOR FACILITY | FAIRVIEW, Major, OK | Pass | State |
| 2017-10-02 | FW MIDCON I LLC / BRIAR 3H 4H 35X | MARLOW, Stephens, OK | Pass | State |
| 2017-10-02 | MARKWEST LIBERTY MIDSTREAM & RESOURCES/FULTON BOOSTER STA — high-priority violation on file | HICKORY, Washington, PA | Pass | State |
| 2017-10-02 | REGENCY MARCELLUS GAS GATHERING LLC/POORMAN COMP STA | LOCK HAVEN, Clinton, PA | Pass | State |
| 2017-10-02 | TEMCO LLC | KALAMA, Cowlitz, WA | Pass | Local |
| 2017-10-02 | CASPER REFINERY (HF SINCLAIR CASPER REFINING LLC) — high-priority violation on file | EVANSVILLE, Natrona, WY | Pass | State |
| 2017-10-01 | CARLTON FORGE WORKS | PARAMOUNT, Los Angeles, CA | Pass | Local |
| 2017-09-30 | NUSHAGAK ELECTRIC COOPERATIVE, INC / DILLINGHAM POWER PLANT | DILLINGHAM, Dillingham (CA), AK | N/A | State |
| 2017-09-30 | NUSHAGAK ELECTRIC COOPERATIVE, INC / DILLINGHAM POWER PLANT | DILLINGHAM, Dillingham (CA), AK | Pass | State |
| 2017-09-30 | NUSHAGAK ELECTRIC COOPERATIVE, INC / DILLINGHAM POWER PLANT | DILLINGHAM, Dillingham (CA), AK | Pass | State |
| 2017-09-30 | US ECOLOGY ALASKA LLC (FORMERLY NRC AL / MOOSE CREEK FACILITY | FAIRBANKS, Fairbanks North Star, AK | Pass | State |
| 2017-09-30 | CONOCOPHILLIPS ALASKA, INC. / ALPINE CENTRAL PROCESSING FACILITY | NORTH SLOPE BOROUGH, North Slope, AK | Pass | State |
| 2017-09-30 | NUCOR STEEL — high-priority violation on file | CRAWFORDSVILLE, Montgomery, IN | Pass | State |
| 2017-09-30 | NUCOR STEEL — high-priority violation on file | CRAWFORDSVILLE, Montgomery, IN | Pass | State |
| 2017-09-30 | NUCOR STEEL — high-priority violation on file | CRAWFORDSVILLE, Montgomery, IN | Pass | State |
| 2017-09-30 | NUCOR STEEL — high-priority violation on file | CRAWFORDSVILLE, Montgomery, IN | Pass | State |
| 2017-09-29 | DESOTO GATHERING COMPANY, LLC - NEW QUITMAN CPF-2 | QUITMAN, Faulkner, AR | Pass | State |
| 2017-09-29 | DELEK LOGISTICS OPERATING, LLC - NLR TERMINAL | NORTH LITTLE ROCK, Pulaski, AR | Pass | State |
| 2017-09-29 | ULTRAMAR INC | WILMINGTON, Los Angeles, CA | Pass | Local |
| 2017-09-29 | DUKE ENERGY FLORIDA, LLC | CRYSTAL RIVER, Citrus, FL | Pass | State |
| 2017-09-29 | DUKE ENERGY FLORIDA, LLC | CRYSTAL RIVER, Citrus, FL | Pass | State |
| 2017-09-29 | U S DEPT OF AGRICULTURE | MIAMI, Miami-Dade, FL | Pass | State |
| 2017-09-29 | JEA | JACKSONVILLE, Duval, FL | Pass | State |
| 2017-09-29 | MECO - PALAAU | PALAAU, Maui, HI | Pass | State |
| 2017-09-29 | STRYTEN MANCHESTER, LLC | MANCHESTER, Delaware, IA | Pass | State |
| 2017-09-29 | ST. MARY'S CEMENT INC | DIXON, Lee, IL | Fail | State |
| 2017-09-29 | CITY WATER LIGHT & POWER | SPRINGFIELD, Sangamon, IL | Pass | State |
| 2017-09-29 | TATE & LYLE SOLUTIONS USA LLC — high-priority violation on file | LAFAYETTE, Tippecanoe, IN | Pass | State |
| 2017-09-29 | TATE & LYLE SOLUTIONS USA LLC — high-priority violation on file | LAFAYETTE, Tippecanoe, IN | Pass | State |
| 2017-09-29 | TATE & LYLE SOLUTIONS USA LLC — high-priority violation on file | LAFAYETTE, Tippecanoe, IN | Pass | State |
| 2017-09-29 | METAL SOURCE LLC | WABASH, Wabash, IN | Pass | State |
| 2017-09-29 | METAL SOURCE LLC | WABASH, Wabash, IN | Pass | State |
| 2017-09-29 | METAL SOURCE LLC | WABASH, Wabash, IN | Pass | State |
| 2017-09-29 | METAL SOURCE LLC | WABASH, Wabash, IN | Pass | State |
| 2017-09-29 | ANR PIPELINE CO (MADISONVILLE COMPRESSOR STA) | MADISONVILLE, Hopkins, KY | Pass | State |
| 2017-09-29 | PROAMPAC PACKAGING INC-CAPRI 2 | CLINTON, Henry, MO | Pending | State |
| 2017-09-29 | EP ENGINEERED CLAYS CORPORATION — high-priority violation on file | JACKSON, Hinds, MS | Pass | State |
| 2017-09-29 | EP ENGINEERED CLAYS CORPORATION — high-priority violation on file | JACKSON, Hinds, MS | Pass | State |
| 2017-09-29 | BLAINE COUNTY #1 | CHINOOK, Blaine, MT | Pass | State |
| 2017-09-29 | BLAINE COUNTY #1 | CHINOOK, Blaine, MT | Pass | State |
| 2017-09-29 | BLAINE COUNTY #1 | CHINOOK, Blaine, MT | Pass | State |
| 2017-09-29 | BLYTHE BROTHERS ASPHALT CO. LLC NORTH PLANT | CHARLOTTE, Mecklenburg, NC | Pass | Local |
| 2017-09-29 | ASH GROVE CEMENT CO — high-priority violation on file | LOUISVILLE, Cass, NE | Pass | State |
| 2017-09-29 | GEORGIA PACIFIC GYPSUM, LLC | LAS VEGAS, Clark, NV | Pass | Local |
| 2017-09-29 | TPL ARKOMA HOLDINGS LLC / COALGATE TUPELO STONEWALL GAS PLANT — high-priority violation on file | COALGATE, Coal, OK | Pass | State |
| 2017-09-29 | SYNAGRO [PHILADELPHIA RENEWABLE BIO-FUELS LLC] — high-priority violation on file | UNIVERSITY CITY (SUBDIVISION), Philadelphia, PA | Pass | Local |
| 2017-09-29 | SPRUANCE GENCO LLC | RICHMOND, Richmond (city), VA | Pass | State |
| 2017-09-29 | TEMCO LLC | KALAMA, Cowlitz, WA | Pass | Local |
| 2017-09-29 | TEMCO LLC | KALAMA, Cowlitz, WA | Pass | Local |
| 2017-09-29 | LCS SERVICES, INC., NORTH MOUNTAIN SANITARY LANDFI | HEDGESVILLE, Berkeley, WV | Pass | State |
| 2017-09-28 | BONANZA POWER PLANT | BONANZA, Uintah, UT | Pass | U.S. EPA |
| 2017-09-28 | GEORGIA-PACIFIC BREWTON LLC | BREWTON, Escambia, AL | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.