EPA Air · stack tests by year
Air-emissions stack tests in 2019
- 26,261Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit.
States, 2019
- California 6,897
- Ohio 2,684
- Oklahoma 1,656
- Florida 1,597
- Indiana 1,595
- Georgia 1,325
- Pennsylvania 723
- Alabama 687
- Arkansas 664
- Texas 620
- Mississippi 604
- Iowa 457
- Washington 445
- Colorado 431
- New Mexico 421
- Missouri 409
- North Carolina 297
- Minnesota 285
- Montana 272
- Michigan 268
- Wyoming 252
- Wisconsin 251
- South Carolina 231
- Louisiana 225
- Delaware 189
- Kentucky 188
- Utah 184
- West Virginia 176
- Kansas 175
- Alaska 159
- North Dakota 154
- Nebraska 149
- Illinois 138
- Connecticut 124
- New York 122
- Tennessee 121
- Maine 110
- Virginia 107
- Nevada 107
- Idaho 95
- Hawaii 93
- Oregon 88
- New Hampshire 78
- Arizona 77
- New Jersey 61
- South Dakota 59
- Massachusetts 58
- Maryland 54
- Rhode Island 45
- District of Columbia 33
- Vermont 21
Other years
Air-emissions stack tests recorded in 2019
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2019-12-11 | DAVIDSON GAS PRODUCERS, LLC - DAVIDSON CO. LANDFILL | LEXINGTON, Davidson, NC | Pass | State |
| 2019-12-11 | SPECGX LLC - MALLINCKRODT PHARMACEUTICALS | RALEIGH, Wake, NC | Pass | State |
| 2019-12-11 | CHESHIRE COUNTY MAPLEWOOD NURSING HOME | WESTMORELAND, Cheshire, NH | Pass | State |
| 2019-12-11 | WHITEHORN COMPRESSOR STATION | MALAGA, Eddy, NM | Pass | State |
| 2019-12-11 | WHITEHORN COMPRESSOR STATION | MALAGA, Eddy, NM | Pass | State |
| 2019-12-11 | RJ BOOSTER STATION | LOCO HILLS, Eddy, NM | Pass | State |
| 2019-12-11 | RJ BOOSTER STATION | LOCO HILLS, Eddy, NM | Pass | State |
| 2019-12-11 | RJ BOOSTER STATION | LOCO HILLS, Eddy, NM | Pass | State |
| 2019-12-11 | RJ BOOSTER STATION | LOCO HILLS, Eddy, NM | Pass | State |
| 2019-12-11 | PNM - LORDSBURG GENERATING STATION | LORDSBURG, Hidalgo, NM | Pass | State |
| 2019-12-11 | EOG - VALOR COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2019-12-11 | EOG - VALOR COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2019-12-11 | EOG - VALOR COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2019-12-11 | EOG - RED HILLS SOLAR LOCALIZED GAS LIFT STATION | JAL, Lea, NM | Pass | State |
| 2019-12-11 | EOG - RED HILLS SOLAR LOCALIZED GAS LIFT STATION | JAL, Lea, NM | Pass | State |
| 2019-12-11 | EOG - RED HILLS SOLAR LOCALIZED GAS LIFT STATION | JAL, Lea, NM | Pass | State |
| 2019-12-11 | WASHINGTON MILLS ELECTRO MINERALS | NIAGARA FALLS, Niagara, NY | Pass | State |
| 2019-12-11 | ASCENT RESOURCES - UTICA LLC - GINGERICH LND GR | QUAKER CITY, Guernsey, OH | Pass | State |
| 2019-12-11 | ASCENT RESOURCES - UTICA LLC - GINGERICH LND GR | QUAKER CITY, Guernsey, OH | Pass | State |
| 2019-12-11 | UNIVERSITY OF CINCINNATI | CINCINNATI, Hamilton, OH | Pass | State |
| 2019-12-11 | UNIVERSITY OF CINCINNATI | CINCINNATI, Hamilton, OH | Pass | State |
| 2019-12-11 | UNIVERSITY OF CINCINNATI | CINCINNATI, Hamilton, OH | Pass | State |
| 2019-12-11 | UNIVERSITY OF CINCINNATI | CINCINNATI, Hamilton, OH | Pass | State |
| 2019-12-11 | UNBRIDLED RESOURCES LLC / JIMMIE JOYCE CTB PRODUCTION FACILITY | ARNETT, Ellis, OK | Pass | State |
| 2019-12-11 | VALIDUS ENERGY II MIDCON LLC / TITAN PAPPY CENTRAL TANK BATTERY | ERIN SPRINGS, Garvin, OK | Pass | State |
| 2019-12-11 | VALIDUS ENERGY II MIDCON LLC / KILKENNY JAMESON CENTRAL TANK BATTERY | CRINER, McClain, OK | Pass | State |
| 2019-12-11 | DCP OPERATING CO LP / THUNDER COMPRESSOR STATION | BRAY, Stephens, OK | Pass | State |
| 2019-12-11 | EASTERN GAS TRANS & STORAGE/CRAYNE STA | WAYNESBURG, Greene, PA | Pass | State |
| 2019-12-11 | SANOFI PASTEUR/SWIFTWATER FACILITY | SWIFTWATER, Monroe, PA | Pass | State |
| 2019-12-11 | PA DPW/CLARKS SUMMIT STATE HOSP | CLARKS SUMMIT, Lackawanna, PA | Pass | State |
| 2019-12-11 | GLAXOSMITHKLINE/UPPER MERION BIOPHARM | WEST CONSHOHOCKEN, Montgomery, PA | Pass | State |
| 2019-12-11 | USS/CLAIRTON WORKS — high-priority violation on file | CLAIRTON, Allegheny, PA | Pass | Local |
| 2019-12-11 | NRG ENERGY CTR PGH LLC/PGH | PITTSBURGH, Allegheny, PA | Pass | Local |
| 2019-12-11 | NRG ENERGY CTR PGH LLC/PGH | PITTSBURGH, Allegheny, PA | Pass | Local |
| 2019-12-11 | ALLEGHENY ENERGY SUPPLY/SPRINGDALE | PITTSBURGH, Allegheny, PA | Pass | Local |
| 2019-12-11 | PUROLITE INC/MFG CHEM — high-priority violation on file | PHILADELPHIA, Philadelphia, PA | Pass | Local |
| 2019-12-11 | SOUTH DAKOTA SOYBEAN PROCESSORS - VOLGA | VOLGA, Brookings, SD | Pass | State |
| 2019-12-11 | POET BIOREFINING - MITCHELL LLC | MITCHELL, Davison, SD | Pass | State |
| 2019-12-11 | REDFIELD ENERGY LLC — high-priority violation on file | REDFIELD, Beadle, SD | Pass | State |
| 2019-12-11 | GOEN STEEPHOLLOW 5 COMPRESSOR STATION | BRYAN, Brazos, TX | Pass | State |
| 2019-12-11 | TEJAS POWER GENERATION UNIT 1 | HOUSTON, Harris, TX | Fail | State |
| 2019-12-11 | COMPASS MINERALS | UTAH, Undetermined, UT | Pass | State |
| 2019-12-11 | PORT TOWNSEND PAPER CORPORATION — high-priority violation on file | PORT TOWNSEND, Jefferson, WA | Pass | State |
| 2019-12-11 | HOLLYFRONTIER PUGET SOUND REFINERY | ANACORTES, Skagit, WA | Pass | Local |
| 2019-12-11 | BP WEST COAST PRODUCTS LLC — high-priority violation on file | BLAINE, Whatcom, WA | Pass | Local |
| 2019-12-11 | JOINT BASE LEWIS-MCCHORD | FORT LEWIS, Pierce, WA | Pass | Local |
| 2019-12-11 | JOINT BASE LEWIS-MCCHORD | FORT LEWIS, Pierce, WA | Pass | Local |
| 2019-12-11 | DICKSON CO | TACOMA, Pierce, WA | Pass | Local |
| 2019-12-11 | ACE ETHANOL, LLC | STANLEY, Chippewa, WI | Pass | State |
| 2019-12-11 | EQT XL MIDSTREAM OPERATING LLC, LEGACY CONDENSATE PAD | PROCTOR, Marshall, WV | Pass | State |
| 2019-12-11 | OMNIS PLEASANTS, LLC, PLEASANTS POWER STATION | WILLOW ISLAND, Pleasants, WV | Pass | State |
| 2019-12-11 | ANTERO MIDSTREAM LLC, MIDDLEBOURNE IV | MIDDLEBOURNE, Tyler, WV | Pass | State |
| 2019-12-10 | TARGA BADLANDS JUNCTION COMPRESSOR STATION | MCKENZIE COUNTY, McKenzie, ND | Pass | U.S. EPA |
| 2019-12-10 | INTERIOR GAS UTILITY (FORMERLY TITAN A / LIQUEFIED NATURAL GAS PLANT #1 | WASILLA, Matanuska-Susitna, AK | Pass | State |
| 2019-12-10 | INTERIOR GAS UTILITY (FORMERLY TITAN A / LIQUEFIED NATURAL GAS PLANT #1 | WASILLA, Matanuska-Susitna, AK | Pass | State |
| 2019-12-10 | CHEROKEE NITROGEN LLC | CHEROKEE, Colbert, AL | Pass | State |
| 2019-12-10 | TRANSCONTINENTAL GAS PIPE LINE COMPANY L | ROCKFORD, Coosa, AL | Pass | State |
| 2019-12-10 | TRANSCONTINENTAL GAS PIPE LINE COMPANY L | ROCKFORD, Coosa, AL | Pass | State |
| 2019-12-10 | DESOTO GATHERING COMPANY LLC - SOUTH BROWNIE CPF 2 | HATTIEVILLE, Conway, AR | Pass | State |
| 2019-12-10 | APAC CENTRAL, INC - PORTABLE ROCK CRUSHER #3 | GRAVETTE, Washington, AR | Pass | State |
| 2019-12-10 | APAC CENTRAL, INC - PORTABLE ROCK CRUSHER #3 | GRAVETTE, Washington, AR | Pass | State |
| 2019-12-10 | APAC CENTRAL, INC - PORTABLE ROCK CRUSHER #3 | GRAVETTE, Washington, AR | Pass | State |
| 2019-12-10 | APAC CENTRAL, INC - PORTABLE ROCK CRUSHER #3 | GRAVETTE, Washington, AR | Pass | State |
| 2019-12-10 | APAC CENTRAL, INC - PORTABLE ROCK CRUSHER #3 | GRAVETTE, Washington, AR | Pass | State |
| 2019-12-10 | APAC CENTRAL, INC - PORTABLE ROCK CRUSHER #3 | GRAVETTE, Washington, AR | Pass | State |
| 2019-12-10 | APAC CENTRAL, INC - PORTABLE ROCK CRUSHER #3 | GRAVETTE, Washington, AR | Pass | State |
| 2019-12-10 | APAC CENTRAL, INC - PORTABLE ROCK CRUSHER #3 | GRAVETTE, Washington, AR | Pass | State |
| 2019-12-10 | APAC CENTRAL, INC - PORTABLE ROCK CRUSHER #3 | GRAVETTE, Washington, AR | Pass | State |
| 2019-12-10 | APAC CENTRAL, INC - PORTABLE ROCK CRUSHER #3 | GRAVETTE, Washington, AR | Pass | State |
| 2019-12-10 | APAC CENTRAL, INC - PORTABLE ROCK CRUSHER #3 | GRAVETTE, Washington, AR | Pass | State |
| 2019-12-10 | APAC CENTRAL, INC - PORTABLE ROCK CRUSHER #3 | GRAVETTE, Washington, AR | Pass | State |
| 2019-12-10 | APAC CENTRAL, INC - PORTABLE ROCK CRUSHER #3 | GRAVETTE, Washington, AR | Pass | State |
| 2019-12-10 | LOS MEDANOS ENERGY CENTER — high-priority violation on file | PITTSBURG, Contra Costa, CA | Pass | Local |
| 2019-12-10 | LOS MEDANOS ENERGY CENTER — high-priority violation on file | PITTSBURG, Contra Costa, CA | Pass | Local |
| 2019-12-10 | LUNDAY-THAGARD CO DBA WORLD OIL REFINING — high-priority violation on file | SOUTH GATE, Los Angeles, CA | Pass | Local |
| 2019-12-10 | TESORO REFINING & MARKETING CO, LLC — high-priority violation on file | CARSON, Los Angeles, CA | Pass | Local |
| 2019-12-10 | PQ CORPORATION | SOUTH GATE, Los Angeles, CA | Pass | Local |
| 2019-12-10 | AIR PROD & CHEM INC | CARSON, Los Angeles, CA | Pass | Local |
| 2019-12-10 | FRESNO COGEN PARTNERS | SAN JOAQUIN, Fresno, CA | Pass | Local |
| 2019-12-10 | FRESNO COGEN PARTNERS | SAN JOAQUIN, Fresno, CA | Pass | Local |
| 2019-12-10 | FRESNO COGEN PARTNERS | SAN JOAQUIN, Fresno, CA | Pass | Local |
| 2019-12-10 | FRESNO COGEN PARTNERS | SAN JOAQUIN, Fresno, CA | Pass | Local |
| 2019-12-10 | FRESNO COGEN PARTNERS | SAN JOAQUIN, Fresno, CA | Pass | Local |
| 2019-12-10 | FRESNO COGEN PARTNERS | SAN JOAQUIN, Fresno, CA | Pass | Local |
| 2019-12-10 | FRESNO COGEN PARTNERS | SAN JOAQUIN, Fresno, CA | Pass | Local |
| 2019-12-10 | FRESNO COGEN PARTNERS | SAN JOAQUIN, Fresno, CA | Pass | Local |
| 2019-12-10 | FRESNO COGEN PARTNERS | SAN JOAQUIN, Fresno, CA | Pass | Local |
| 2019-12-10 | FRESNO COGEN PARTNERS | SAN JOAQUIN, Fresno, CA | Pass | Local |
| 2019-12-10 | FRESNO COGEN PARTNERS | SAN JOAQUIN, Fresno, CA | Pass | Local |
| 2019-12-10 | FRESNO COGEN PARTNERS | SAN JOAQUIN, Fresno, CA | Pass | Local |
| 2019-12-10 | FRESNO COGEN PARTNERS | SAN JOAQUIN, Fresno, CA | Pass | Local |
| 2019-12-10 | FRESNO COGEN PARTNERS | SAN JOAQUIN, Fresno, CA | Pass | Local |
| 2019-12-10 | FRESNO COGEN PARTNERS | SAN JOAQUIN, Fresno, CA | Pass | Local |
| 2019-12-10 | FRESNO COGEN PARTNERS | SAN JOAQUIN, Fresno, CA | Pass | Local |
| 2019-12-10 | FRESNO COGEN PARTNERS | SAN JOAQUIN, Fresno, CA | Pass | Local |
| 2019-12-10 | FRESNO COGEN PARTNERS | SAN JOAQUIN, Fresno, CA | Pass | Local |
| 2019-12-10 | FRESNO COGEN PARTNERS | SAN JOAQUIN, Fresno, CA | Pass | Local |
| 2019-12-10 | FRESNO COGEN PARTNERS | SAN JOAQUIN, Fresno, CA | Pass | Local |
| 2019-12-10 | FRESNO COGEN PARTNERS | SAN JOAQUIN, Fresno, CA | Pass | Local |
| 2019-12-10 | FRESNO COGEN PARTNERS | SAN JOAQUIN, Fresno, CA | Pass | Local |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.