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 |
|---|---|---|---|---|
| 2019-11-05 | LOUISVILLE MEDICAL CENTER STEAM PLANT | LOUISVILLE, Jefferson, KY | Pass | Local |
| 2019-11-05 | NASOYA FOODS USA LLC — high-priority violation on file | AYER, TOWN OF, Middlesex, MA | Pending | State |
| 2019-11-05 | DOMINION TRANSMISSION, INC | MIDDLETOWN, Frederick, MD | Pass | State |
| 2019-11-05 | SOUTH KENT LANDFILL — high-priority violation on file | BYRON CENTER, Kent, MI | Pass | State |
| 2019-11-05 | VECTOR PIPELINE L.P. WASHINGTON COMPRESSOR STATION | WASHINGTON, Macomb, MI | Pass | State |
| 2019-11-05 | FLINT HILLS RESOURCES PINE BEND REFINERY | ROSEMOUNT, Dakota, MN | Pass | State |
| 2019-11-05 | UNIVERSITY OF MN - TWIN CITIES | MINNEAPOLIS, Hennepin, MN | Pass | State |
| 2019-11-05 | MINNESOTA SOYBEAN PROCESSORS | BREWSTER, Nobles, MN | Pass | State |
| 2019-11-05 | THE LIFELINE GROUP — high-priority violation on file | SAINT JOSEPH, Buchanan, MO | Pass | State |
| 2019-11-05 | THE LIFELINE GROUP — high-priority violation on file | SAINT JOSEPH, Buchanan, MO | Pass | State |
| 2019-11-05 | AMCOR PACKAGING, INC. | JOPLIN, Jasper, MO | Pending | State |
| 2019-11-05 | LEAF RIVER CELLULOSE LLC — high-priority violation on file | NEW AUGUSTA, Perry, MS | Pass | State |
| 2019-11-05 | LEAF RIVER CELLULOSE LLC — high-priority violation on file | NEW AUGUSTA, Perry, MS | Pass | State |
| 2019-11-05 | LEAF RIVER CELLULOSE LLC — high-priority violation on file | NEW AUGUSTA, Perry, MS | Pass | State |
| 2019-11-05 | LEAF RIVER CELLULOSE LLC — high-priority violation on file | NEW AUGUSTA, Perry, MS | Pass | State |
| 2019-11-05 | LEAF RIVER CELLULOSE LLC — high-priority violation on file | NEW AUGUSTA, Perry, MS | Pass | State |
| 2019-11-05 | MDU - GLENDIVE | GLENDIVE, Dawson, MT | Pass | State |
| 2019-11-05 | WBI ENERGY TRANSMISSION, INC. - CHARBONNEAU COMPRESSOR STATION - AQ | CARTWRIGHT, McKenzie, ND | Pass | State |
| 2019-11-05 | WBI ENERGY TRANSMISSION, INC. - CHARBONNEAU COMPRESSOR STATION - AQ | CARTWRIGHT, McKenzie, ND | Fail | State |
| 2019-11-05 | EQUINOR PIPELINES LLC-CENTRAL BANKS CDP COMPRESSOR STATION | WATFORD CITY, McKenzie, ND | Pending | State |
| 2019-11-05 | PLANTVIEW COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2019-11-05 | ERAMET MARIETTA, INC. — high-priority violation on file | MARIETTA, Washington, OH | Fail | State |
| 2019-11-05 | DCP OPERATING CO LP / CANTON BOOSTER | CANTON, Blaine, OK | Pass | State |
| 2019-11-05 | UNBRIDLED RESOURCES LLC / LITTLE TURKEY 17 1H HOLLOWAY ATHA 20 | ARNETT, Ellis, OK | Pass | State |
| 2019-11-05 | FW MIDCON I LLC / HOLINSWORTH 7H 8H 9X | PURDY, Garvin, OK | Pass | State |
| 2019-11-05 | FW MIDCON I LLC / HOLINSWORTH 5H 6H 9X | PURDY, Garvin, OK | Pass | State |
| 2019-11-05 | BCE MACH III MIDSTREAM HOLDINGS LLC / LINCOLN GAS PLANT — high-priority violation on file | KINGFISHER, Kingfisher, OK | Pass | State |
| 2019-11-05 | BCE MACH III MIDSTREAM HOLDINGS LLC / LINCOLN GAS PLANT — high-priority violation on file | KINGFISHER, Kingfisher, OK | Pass | State |
| 2019-11-05 | BCE MACH III MIDSTREAM HOLDINGS LLC / LINCOLN GAS PLANT — high-priority violation on file | KINGFISHER, Kingfisher, OK | Pass | State |
| 2019-11-05 | BCE MACH III MIDSTREAM HOLDINGS LLC / LINCOLN GAS PLANT — high-priority violation on file | KINGFISHER, Kingfisher, OK | Pass | State |
| 2019-11-05 | OG AND E / MUSKOGEE GENERATING STATION — high-priority violation on file | FORT GIBSON, Muskogee, OK | Pass | State |
| 2019-11-05 | HAMPTON LUMBER MILLS, INC. — high-priority violation on file | WARRENTON, Clatsop, OR | Pass | State |
| 2019-11-05 | GEISINGER MED CTR/DANVILLE | DANVILLE, Montour, PA | Pass | State |
| 2019-11-05 | NFG MIDSTREAM CLERMONT LLC/CLERMONT WEST COMP STA | EMPORIUM, Elk, PA | Pass | State |
| 2019-11-05 | ABERDEEN ENERGY, LLC — high-priority violation on file | MINA, Edmunds, SD | Pass | State |
| 2019-11-05 | NUGEN ENERGY LLC — high-priority violation on file | MARION, Turner, SD | Pass | State |
| 2019-11-05 | CHEVRON USA | UTAH, Undetermined, UT | Pass | State |
| 2019-11-05 | KING COUNTY RNG PROCESSING FACILITY | MAPLE VALLEY, King, WA | Pass | Local |
| 2019-11-05 | KING COUNTY RNG PROCESSING FACILITY | MAPLE VALLEY, King, WA | Pass | Local |
| 2019-11-05 | KING COUNTY RNG PROCESSING FACILITY | MAPLE VALLEY, King, WA | Pass | Local |
| 2019-11-05 | KING COUNTY RNG PROCESSING FACILITY | MAPLE VALLEY, King, WA | Pass | Local |
| 2019-11-05 | KING COUNTY RNG PROCESSING FACILITY | MAPLE VALLEY, King, WA | Pass | Local |
| 2019-11-05 | KING COUNTY RNG PROCESSING FACILITY | MAPLE VALLEY, King, WA | Pass | Local |
| 2019-11-05 | KING COUNTY RNG PROCESSING FACILITY | MAPLE VALLEY, King, WA | Pass | Local |
| 2019-11-05 | KING COUNTY RNG PROCESSING FACILITY | MAPLE VALLEY, King, WA | Pass | Local |
| 2019-11-05 | KING COUNTY RNG PROCESSING FACILITY | MAPLE VALLEY, King, WA | Pass | Local |
| 2019-11-05 | KING COUNTY RNG PROCESSING FACILITY | MAPLE VALLEY, King, WA | Fail | Local |
| 2019-11-05 | CHARTER STEEL | SAUKVILLE, Ozaukee, WI | Fail | State |
| 2019-11-05 | ANR PIPELINE CO - KEWASKUM COMPRESSOR ST | ADELL, Taylor, WI | Pass | State |
| 2019-11-05 | MONONGAHELA POWER COMPANY, FORT MARTIN STATION | MAIDSVILLE, Monongalia, WV | Pass | State |
| 2019-11-05 | CNX MIDSTREAM OPERATING COMPANY LLC, SHIRLEY STATION | ALMA, Tyler, WV | Pass | State |
| 2019-11-05 | ANTERO MIDSTREAM LLC, MIDDLEBOURNE III | WICK, Tyler, WV | Pass | State |
| 2019-11-05 | BEAR DRAW-BRUIN COMPRESSOR STATION (POWDER RIVER MIDSTREAM LLC) | JOHNSON COUNTY, Johnson, WY | Pass | State |
| 2019-11-04 | W&T OFFSHORE, INC. | MOBILE BAY, Mobile, AL | Pass | State |
| 2019-11-04 | SCOTCH PLYWOOD CO | BEATRICE, Monroe, AL | Pass | State |
| 2019-11-04 | DESOTO GATHERING COMPANY, LLC - SOUTH RAINBOW CPF-4 | CENTER RIDGE, Conway, AR | Pass | State |
| 2019-11-04 | SUMMIT MIDSTREAM NIOBR - HEREFORD RANCH | GROVER 11.0 MI. NW OF, Weld, CO | Pass | State |
| 2019-11-04 | SUMMIT MIDSTREAM NIOBR - HEREFORD RANCH | GROVER 11.0 MI. NW OF, Weld, CO | Pass | State |
| 2019-11-04 | HIGHPOINT - WETCO 4-63-4 SW PRODUCTION | KERSEY 5.2 MI. N OF, Weld, CO | Pass | State |
| 2019-11-04 | HIGHPOINT - WETCO 4-63-4 SW PRODUCTION | KERSEY 5.2 MI. N OF, Weld, CO | Pass | State |
| 2019-11-04 | HECO - WAIAU | PEARL CITY, Honolulu, HI | Pass | State |
| 2019-11-04 | MGPI PROCESSING (AIR) | ATCHISON, Atchison, KS | Pass | State |
| 2019-11-04 | IACX ENERGY - KINGMAN CO. GAS PLANT (AIR) | CHENEY, Kingman, KS | Pass | State |
| 2019-11-04 | US ARMY GARRISON FORT KNOX | FORT KNOX, Hardin, KY | Pass | State |
| 2019-11-04 | TISBURY TOWING & TRANSPORTATION | NEW BEDFORD, Bristol, MA | Pass | State |
| 2019-11-04 | DOBOSZENSKI AND SONS | LORETTO, Ramsey, MN | Pass | State |
| 2019-11-04 | CHOCTAW GENERATION LIMITED PARTNERSHIP, RED HILLS GENERATION FACILITY | ACKERMAN, Choctaw, MS | Pass | State |
| 2019-11-04 | CHOCTAW GENERATION LIMITED PARTNERSHIP, RED HILLS GENERATION FACILITY | ACKERMAN, Choctaw, MS | Pass | State |
| 2019-11-04 | CHS INC REFINERY LAUREL | LAUREL, Yellowstone, MT | Pass | State |
| 2019-11-04 | CHS INC REFINERY LAUREL | LAUREL, Yellowstone, MT | Pass | State |
| 2019-11-04 | EQUINOR PIPELINES LLC-FOUR WAY COMPRESSOR STATION | STANLEY, Mountrail, ND | Pass | State |
| 2019-11-04 | AMERICAN CRYSTAL SUGAR COMPANY (ACS) - DRAYTON PLANT - AQ | DRAYTON, Pembina, ND | Pass | State |
| 2019-11-04 | MIZKAN AMERICA INC - LYNDONVILLE PLANT | LYNDONVILLE, Orleans, NY | Pass | State |
| 2019-11-04 | MARKWEST YODER COMPRESSOR STATION | CADIZ, Harrison, OH | Pass | State |
| 2019-11-04 | MARKWEST YODER COMPRESSOR STATION | CADIZ, Harrison, OH | Pass | State |
| 2019-11-04 | MARKWEST YODER COMPRESSOR STATION | CADIZ, Harrison, OH | Pass | State |
| 2019-11-04 | MARKWEST YODER COMPRESSOR STATION | CADIZ, Harrison, OH | Pass | State |
| 2019-11-04 | MARKWEST YODER COMPRESSOR STATION | CADIZ, Harrison, OH | Pass | State |
| 2019-11-04 | MARKWEST YODER COMPRESSOR STATION | CADIZ, Harrison, OH | Pass | State |
| 2019-11-04 | MARKWEST YODER COMPRESSOR STATION | CADIZ, Harrison, OH | Pass | State |
| 2019-11-04 | MARKWEST YODER COMPRESSOR STATION | CADIZ, Harrison, OH | Pass | State |
| 2019-11-04 | MARKWEST YODER COMPRESSOR STATION | CADIZ, Harrison, OH | Pass | State |
| 2019-11-04 | ENLINK MIDSTREAM SERVICES LLC / SILVER COMPRESSOR STATION | CALUMET, Canadian, OK | Pass | State |
| 2019-11-04 | VALIDUS ENERGY II MIDCON LLC / BUD DILLY CENTRAL BATTERY | PURDY, Garvin, OK | Pass | State |
| 2019-11-04 | BRIDGEPORT GAS PLANT | BRIDGEPORT, Wise, TX | Pass | State |
| 2019-11-04 | CHEVRON USA | UTAH, Undetermined, UT | Pass | State |
| 2019-11-04 | CAPITOL HEAT AND POWER (DOA) | MADISON, Dane, WI | Pass | State |
| 2019-11-04 | AHLSTROM RHINELANDER LLC | RHINELANDER, Outagamie, WI | Pass | State |
| 2019-11-03 | AM/NS CALVERT LLC | CALVERT, Mobile, AL | Pass | State |
| 2019-11-03 | SUZANO PACKAGING, LLC | PINE BLUFF, Jefferson, AR | Pass | State |
| 2019-11-01 | CONSTELLIUM — high-priority violation on file | MUSCLE SHOALS, Colbert, AL | Pass | State |
| 2019-11-01 | NUCOR CORPORATION - NUCOR STEEL, ARKANSAS | BLYTHEVILLE, Mississippi, AR | Pass | State |
| 2019-11-01 | ROSEBURG FOREST PRODUCTS CO. - EL DORADO MDF | EL DORADO, Union, AR | Pass | State |
| 2019-11-01 | TORRANCE LOGISTICS COMPANY LLC | VERNON, Los Angeles, CA | Pass | Local |
| 2019-11-01 | TORRANCE LOGISTICS COMPANY LLC | VERNON, Los Angeles, CA | Pass | Local |
| 2019-11-01 | GRAND RIVER GATHERING - HUNTER MESA CS | RIFLE 3.3 MI. SE OF, Garfield, CO | Pass | State |
| 2019-11-01 | GRAND RIVER GATHERING - HUNTER MESA CS | RIFLE 3.3 MI. SE OF, Garfield, CO | Pass | State |
| 2019-11-01 | SUMMIT DJ-S - JACKSON LAKE GAS PLANT — high-priority violation on file | WELDONA, Morgan, CO | Fail | State |
| 2019-11-01 | SUMMIT DJ-S - JACKSON LAKE GAS PLANT — high-priority violation on file | WELDONA, Morgan, CO | Fail | State |
| 2019-11-01 | SUMMIT DJ-S - JACKSON LAKE GAS PLANT — high-priority violation on file | WELDONA, Morgan, CO | Fail | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.