EPA Air · stack tests by year
Air-emissions stack tests in 2020
- 33,437Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit.
States, 2020
- California 15,352
- Ohio 2,194
- Florida 1,532
- Oklahoma 1,517
- Indiana 1,473
- Georgia 1,147
- New Mexico 846
- Pennsylvania 725
- Alabama 674
- Texas 617
- Missouri 607
- Arkansas 589
- Mississippi 438
- Colorado 429
- Washington 407
- Iowa 355
- North Carolina 274
- Wyoming 235
- Wisconsin 229
- Michigan 222
- South Carolina 221
- Montana 217
- Minnesota 213
- Delaware 211
- Kentucky 184
- West Virginia 175
- Utah 158
- Tennessee 149
- Kansas 144
- Nebraska 142
- Alaska 141
- Maine 136
- Nevada 134
- Virginia 132
- Illinois 129
- North Dakota 129
- New Jersey 122
- Connecticut 110
- Arizona 97
- New York 93
- Hawaii 84
- Louisiana 83
- Idaho 81
- New Hampshire 72
- Maryland 46
- South Dakota 46
- Oregon 39
- Rhode Island 30
- District of Columbia 30
- Vermont 17
- Massachusetts 7
- Puerto Rico 3
Other years
Air-emissions stack tests recorded in 2020
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2020-09-01 | GENERAL DYNAMICS-OTS, INC. | SACO, York, ME | Pass | State |
| 2020-09-01 | DUININCK INC | PRINSBURG, Kandiyohi, MN | Pass | State |
| 2020-09-01 | CAMBRIA CO | LE SUEUR, Le Sueur, MN | Pass | State |
| 2020-09-01 | MOM BRANDS | NORTHFIELD, Rice, MN | Pass | State |
| 2020-09-01 | SAU #42 NASHUA HIGH SCHOOL NORTH | NASHUA, Hillsborough, NH | Pass | State |
| 2020-09-01 | ALGONQUIN GAS TRANSMISSION CO | HANOVER, Morris, NJ | Pass | State |
| 2020-09-01 | TRUNK C COMPRESSOR STATION | LOVING, Eddy, NM | Pass | State |
| 2020-09-01 | CUNNINGHAM STATION POWER PLANT | HOBBS, Lea, NM | Pass | State |
| 2020-09-01 | ISLIP MACARTHUR RESOURCE RECOVERY FACILITY | RONKONKOMA, Suffolk, NY | Pass | State |
| 2020-09-01 | EQM OLYMPUS MIDSTREAM, LLC - EMPIRE COMPRESSOR STATION | SAINT CLAIRSVILLE, Belmont, OH | Pass | State |
| 2020-09-01 | EQM OLYMPUS MIDSTREAM, LLC - EMPIRE COMPRESSOR STATION | SAINT CLAIRSVILLE, Belmont, OH | Pass | State |
| 2020-09-01 | EQM OLYMPUS MIDSTREAM, LLC - EMPIRE COMPRESSOR STATION | SAINT CLAIRSVILLE, Belmont, OH | Pass | State |
| 2020-09-01 | TOM STACK LLC / CHISHOLM PLANT | CASHION, Kingfisher, OK | Pass | State |
| 2020-09-01 | TOM STACK LLC / BENNETT COMPRESSOR STATION | STILLWATER, Payne, OK | Pass | State |
| 2020-09-01 | US DOD/RAVEN ROCK MTN COMPLEX | BLUE RIDGE SUMMIT, Adams, PA | Pass | State |
| 2020-09-01 | HERCULES CEMENT CO LLC/STOCKERTOWN | STOCKERTOWN, Northampton, PA | Pass | State |
| 2020-09-01 | BUCKEYE ENERGY SVC LLC/MACUNGIE TERMINAL | EMMAUS, Lehigh, PA | Pass | State |
| 2020-09-01 | NFG MIDSTREAM COVINGTON LLC/COVINGTON COMP STA | COVINGTON, Tioga, PA | Pass | State |
| 2020-09-01 | BKV OPR LLC/MIRABELLI PAD | TUNKHANNOCK, Wyoming, PA | Pass | State |
| 2020-09-01 | BKV OPR LLC/P & G WAREHOUSE PAD | MESHOPPEN, Wyoming, PA | Pass | State |
| 2020-09-01 | ALTA PERFORMANCE MATERIALS US, LLC | PITTSBURGH, Allegheny, PA | Pass | Local |
| 2020-09-01 | A M WILLIAMS STATION | GOOSE CREEK, Berkeley, SC | Pass | State |
| 2020-09-01 | TENNESSEE VALLEY AUTHORITY - GALLATIN FOSSIL PLANT | GALLATIN, Sumner, TN | Pass | State |
| 2020-09-01 | MITSUBISHI CHEMICAL AMERICA (FORMERLY LUCITE INC.) | MEMPHIS, Shelby, TN | Pending | Local |
| 2020-09-01 | WESTINGHOUSE ELECTRIC COMPANY LLC. | UTAH, Undetermined, UT | Pass | State |
| 2020-09-01 | TRANSALTA CENTRALIA GENERATION, LLC — high-priority violation on file | CENTRALIA, Lewis, WA | Pending | Local |
| 2020-09-01 | VIRESCO TURTLE LAKE — high-priority violation on file | TURTLE LAKE, Barron, WI | Fail | State |
| 2020-08-31 | WARRIOR MET COAL GAS, LLC | NORTHPORT, Tuscaloosa, AL | Pass | State |
| 2020-08-31 | WARRIOR MET COAL GAS, LLC | NORTHPORT, Tuscaloosa, AL | Pass | State |
| 2020-08-31 | GREEN BAY PACKAGING, INC. - ARKANSAS KRAFT DIVISION | MORRILTON, Conway, AR | Pass | State |
| 2020-08-31 | USMC - YERMO LOGISTICS CNTR | BARSTOW, San Bernardino, CA | Pass | Local |
| 2020-08-31 | TESORO REFINING AND MARKETING CO — high-priority violation on file | WILMINGTON, Los Angeles, CA | Pass | Local |
| 2020-08-31 | TESORO REFINING AND MARKETING CO — high-priority violation on file | WILMINGTON, Los Angeles, CA | Pass | Local |
| 2020-08-31 | TESORO REFINING & MARKETING CO, LLC — high-priority violation on file | CARSON, Los Angeles, CA | Pass | Local |
| 2020-08-31 | MAS GEORGIA LFG, LLC (RICHLAND CREEK) | BUFORD, Gwinnett, GA | Pass | State |
| 2020-08-31 | MAS GEORGIA LFG, LLC (RICHLAND CREEK) | BUFORD, Gwinnett, GA | Pass | State |
| 2020-08-31 | MAS GEORGIA LFG, LLC (RICHLAND CREEK) | BUFORD, Gwinnett, GA | Pass | State |
| 2020-08-31 | HELCO - KEAHOLE — high-priority violation on file | KAILUA KONA, Hawaii, HI | Pass | State |
| 2020-08-31 | CARGILL MEAT SOLUTIONS - DODGE CITY (AIR) | DODGE CITY, Ford, KS | Pass | State |
| 2020-08-31 | IACX ENERGY - OTIS STATION (DEHYS)(AIR) | OTIS, Rush, KS | Pass | State |
| 2020-08-31 | HEIDELBERG MATERIALS US CEMENT LLC — high-priority violation on file | THOMASTON, Knox, ME | Pass | State |
| 2020-08-31 | HEIDELBERG MATERIALS US CEMENT LLC — high-priority violation on file | THOMASTON, Knox, ME | Pass | State |
| 2020-08-31 | BUILDEX, INC. | DEARBORN, Platte, MO | Pass | State |
| 2020-08-31 | BUILDEX, INC. | DEARBORN, Platte, MO | Pass | State |
| 2020-08-31 | BUILDEX, INC. | DEARBORN, Platte, MO | Pass | State |
| 2020-08-31 | BUILDEX, INC. | DEARBORN, Platte, MO | Pass | State |
| 2020-08-31 | BUILDEX, INC. | DEARBORN, Platte, MO | Pass | State |
| 2020-08-31 | BUILDEX, INC. | DEARBORN, Platte, MO | Pass | State |
| 2020-08-31 | BUILDEX, INC. | DEARBORN, Platte, MO | Pass | State |
| 2020-08-31 | BUILDEX, INC. | DEARBORN, Platte, MO | Pass | State |
| 2020-08-31 | BUILDEX, INC. | DEARBORN, Platte, MO | Pass | State |
| 2020-08-31 | BUILDEX, INC. | DEARBORN, Platte, MO | Pass | State |
| 2020-08-31 | BUILDEX, INC. | DEARBORN, Platte, MO | Pass | State |
| 2020-08-31 | BUILDEX, INC. | DEARBORN, Platte, MO | Pass | State |
| 2020-08-31 | BUILDEX, INC. | DEARBORN, Platte, MO | Pass | State |
| 2020-08-31 | BUILDEX, INC. | DEARBORN, Platte, MO | Pass | State |
| 2020-08-31 | BUILDEX, INC. | DEARBORN, Platte, MO | Pass | State |
| 2020-08-31 | BUILDEX, INC. | DEARBORN, Platte, MO | Pass | State |
| 2020-08-31 | BUILDEX, INC. | DEARBORN, Platte, MO | Pass | State |
| 2020-08-31 | BUILDEX, INC. | DEARBORN, Platte, MO | Pass | State |
| 2020-08-31 | BUILDEX, INC. | DEARBORN, Platte, MO | Pass | State |
| 2020-08-31 | BUILDEX, INC. | DEARBORN, Platte, MO | Pass | State |
| 2020-08-31 | BUILDEX, INC. | DEARBORN, Platte, MO | Pass | State |
| 2020-08-31 | BUILDEX, INC. | DEARBORN, Platte, MO | Pass | State |
| 2020-08-31 | BUILDEX, INC. | DEARBORN, Platte, MO | Pass | State |
| 2020-08-31 | BUILDEX, INC. | DEARBORN, Platte, MO | Pass | State |
| 2020-08-31 | BUILDEX, INC. | DEARBORN, Platte, MO | Pass | State |
| 2020-08-31 | BUILDEX, INC. | DEARBORN, Platte, MO | Pass | State |
| 2020-08-31 | BUILDEX, INC. | DEARBORN, Platte, MO | Pass | State |
| 2020-08-31 | BUILDEX, INC. | DEARBORN, Platte, MO | Pass | State |
| 2020-08-31 | BUILDEX, INC. | DEARBORN, Platte, MO | Pass | State |
| 2020-08-31 | BUILDEX, INC. | DEARBORN, Platte, MO | Pass | State |
| 2020-08-31 | BUILDEX, INC. | DEARBORN, Platte, MO | Pass | State |
| 2020-08-31 | BUILDEX, INC. | DEARBORN, Platte, MO | Pass | State |
| 2020-08-31 | SAU #42 NASHUA HIGH SCHOOL SOUTH | NASHUA, Hillsborough, NH | Incomplete | State |
| 2020-08-31 | CUNNINGHAM STATION POWER PLANT | HOBBS, Lea, NM | Pass | State |
| 2020-08-31 | HARRIER COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2020-08-31 | HARRIER COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2020-08-31 | WALLEYE POWER, LLC, BAY SHORE PLANT | OREGON, Lucas, OH | Pass | State |
| 2020-08-31 | EMERY OLEOCHEMICALS LLC | CINCINNATI, Hamilton, OH | Pass | State |
| 2020-08-31 | EMERY OLEOCHEMICALS LLC | CINCINNATI, Hamilton, OH | Pass | State |
| 2020-08-31 | EMERY OLEOCHEMICALS LLC | CINCINNATI, Hamilton, OH | Pass | State |
| 2020-08-31 | UNBRIDLED RESOURCES LLC / NE ELK CITY 15 11 21 1H STATION | ELK CITY, Beckham, OK | Pass | State |
| 2020-08-31 | TAMWORTH RESOURCES LLC / LOIS 1613 1H 35 | WATONGA, Blaine, OK | Pass | State |
| 2020-08-31 | TOM STACK LLC / SPINDLETAP COMPRESSOR STATION | WATONGA, Blaine, OK | Pass | State |
| 2020-08-31 | TOM STACK LLC / SPINDLETAP COMPRESSOR STATION | WATONGA, Blaine, OK | Pass | State |
| 2020-08-31 | XTO ENERGY INC / SKYTRAIN COMPRESSOR STATION | BAUM, Carter, OK | Pass | State |
| 2020-08-31 | ET GATHERING PROCESSING LLC / LANG COMPRESSOR STATION | PURDY, Garvin, OK | Pass | State |
| 2020-08-31 | ET GATHERING PROCESSING LLC / LANG COMPRESSOR STATION | PURDY, Garvin, OK | Pass | State |
| 2020-08-31 | MUSTANG GAS PRODUCTS LLC / TONKAWA COMPRESSOR STATION | TONKAWA, Kay, OK | Pass | State |
| 2020-08-31 | FW MIDCON I LLC / VELTA JUNE 4H 34LM 5H 34UM 6H 34LM | OMEGA, Kingfisher, OK | Pass | State |
| 2020-08-31 | ET GATHERING PROCESSING LLC / VANARKEL COMPRESSOR STATION | BRAY, Stephens, OK | Pass | State |
| 2020-08-31 | UNBRIDLED RESOURCES LLC / LOFTISS 1 18H STATION | ELK CITY, Washita, OK | Pass | State |
| 2020-08-31 | RAUSCH CREEK GENERATION LLC/FRAILEY TWP — high-priority violation on file | TREMONT, Schuylkill, PA | Pass | State |
| 2020-08-31 | ETC NORTHEAST PIPELINE LLC/BARTO COMP STA | HUGHESVILLE, Lycoming, PA | Pass | State |
| 2020-08-31 | NFG MIDSTREAM COVINGTON LLC/DCNR TRACT 595 | ARNOT, Tioga, PA | Pass | State |
| 2020-08-31 | CHEVRON PHILLIPS CHEMICAL SWEENY OLD OCEAN FACILITIES — high-priority violation on file | SWEENY, Brazoria, TX | Pass | State |
| 2020-08-31 | CHEVRON PHILLIPS CHEMICAL SWEENY OLD OCEAN FACILITIES — high-priority violation on file | SWEENY, Brazoria, TX | Pass | State |
| 2020-08-31 | CHEVRON PHILLIPS CHEMICAL SWEENY OLD OCEAN FACILITIES — high-priority violation on file | SWEENY, Brazoria, TX | Pass | State |
| 2020-08-31 | CHEVRON PHILLIPS CHEMICAL SWEENY OLD OCEAN FACILITIES — high-priority violation on file | SWEENY, Brazoria, TX | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.
What this page shows
This page covers Clean Air Act facilities in the EPA air register with stack tests in 2020. It lists 33,437 stack tests recorded nationwide in 2020.