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 |
|---|---|---|---|---|
| 2019-12-31 | TARGA BADLANDS JUNCTION COMPRESSOR STATION | MCKENZIE COUNTY, McKenzie, ND | Pass | U.S. EPA |
| 2019-12-31 | AES HAWAII | KAPOLEI, Honolulu, HI | Pass | State |
| 2019-12-31 | FLINT HILLS RESOURCES PINE BEND REFINERY | ROSEMOUNT, Dakota, MN | Pass | State |
| 2019-12-31 | IRON HORSE MIDSTREAM LLC / CRUSADER COMPRESSOR STATION | EL RENO, Canadian, OK | Pass | State |
| 2019-12-31 | IRON HORSE MIDSTREAM LLC / CRUSADER COMPRESSOR STATION | EL RENO, Canadian, OK | Pass | State |
| 2019-12-31 | ICL-IP AMERICA INC., GALLIPOLIS FERRY | GALLIPOLIS FERRY, Mason, WV | Pass | State |
| 2019-12-30 | FLORIDA POWER & LIGHT | FORT MYERS, Lee, FL | Pass | State |
| 2019-12-30 | FLORIDA POWER & LIGHT | FORT MYERS, Lee, FL | Pass | State |
| 2019-12-30 | GENERAL MILLS OPERATIONS LLC | FRIDLEY, Anoka, MN | Fail | State |
| 2019-12-30 | WILLISTON BASIN - MONARCH STATION | BAKER, Fallon, MT | Pass | State |
| 2019-12-30 | WILLISTON BASIN - MONARCH STATION | BAKER, Fallon, MT | Pass | State |
| 2019-12-30 | CAMPBELL SOUP SUPPLY COMPANY | MAXTON, Robeson, NC | Pass | State |
| 2019-12-30 | NPPD SHELDON STATION | HALLAM, Lancaster, NE | Pass | Local |
| 2019-12-30 | IRON HORSE MIDSTREAM LLC / CRUSADER COMPRESSOR STATION | EL RENO, Canadian, OK | Pass | State |
| 2019-12-30 | VALIDUS ENERGY II MIDCON LLC / BUD DILLY WEST BATTERY | PURDY, Garvin, OK | Pass | State |
| 2019-12-30 | VALIDUS ENERGY II MIDCON LLC / BUD DILLY CENTRAL BATTERY | PURDY, Garvin, OK | Pass | State |
| 2019-12-30 | GULFPORT MIDCON LLC / MILLER D PAD | ALEX, Grady, OK | Pass | State |
| 2019-12-30 | GULFPORT MIDCON LLC / JEANNIE C PAD | ALEX, Grady, OK | Pass | State |
| 2019-12-30 | XTO ENERGY INC / CHAMPION COMPRESSOR STATION | MARIETTA, Love, OK | Pass | State |
| 2019-12-30 | MADILL GAS PROCESSING LLC / MADILL GAS PLANT | MADILL, Marshall, OK | Pass | State |
| 2019-12-30 | ONEOK FIELD SERVICES CO LLC / COTTONWOOD COMPRESSOR STATION | VELMA, Stephens, OK | Pass | State |
| 2019-12-30 | PALO DURO G AND P OKLAHOMA LP / DILL CITY COMPRESSOR STATION | DILL CITY, Washita, OK | Pass | State |
| 2019-12-30 | PALO DURO G AND P OKLAHOMA LP / DILL CITY COMPRESSOR STATION | DILL CITY, Washita, OK | Pass | State |
| 2019-12-30 | WOLF HOLLOW II | GRANBURY, Hood, TX | Pass | State |
| 2019-12-30 | WOLF HOLLOW II | GRANBURY, Hood, TX | Pass | State |
| 2019-12-29 | MARKWEST - CADIZ GAS PLANT | CADIZ, Harrison, OH | Pass | State |
| 2019-12-29 | MARKWEST - CADIZ GAS PLANT | CADIZ, Harrison, OH | Pass | State |
| 2019-12-29 | MARKWEST - CADIZ GAS PLANT | CADIZ, Harrison, OH | Pass | State |
| 2019-12-29 | ERAMET MARIETTA, INC. — high-priority violation on file | MARIETTA, Washington, OH | Fail | State |
| 2019-12-27 | CALPORTLAND - RILLITO CEMENT PLANT | MARANA, Pima, AZ | Pass | State |
| 2019-12-26 | EAGLE RIVER COAL PREP | HARRISBURG, Saline, IL | Pass | State |
| 2019-12-26 | CASPER REFINERY (HF SINCLAIR CASPER REFINING LLC) — high-priority violation on file | EVANSVILLE, Natrona, WY | Pass | State |
| 2019-12-23 | DRAKE CEMENT- DRAKE ROAD SITE — high-priority violation on file | PAULDEN, Yavapai, AZ | Pass | State |
| 2019-12-23 | POET BIOREFINING-FAIRMONT LLC — high-priority violation on file | FAIRMONT, Fillmore, NE | Pass | State |
| 2019-12-23 | OPPD NEBRASKA CITY STATION | NEBRASKA CITY, Otoe, NE | Pass | State |
| 2019-12-23 | VALIDUS ENERGY II MIDCON LLC / FORE 1 24 1712MHX FACILITY | WATONGA, Blaine, OK | Pass | State |
| 2019-12-23 | VALIDUS ENERGY II MIDCON LLC / KILKENNY JAMESON CENTRAL TANK BATTERY | CRINER, McClain, OK | Pass | State |
| 2019-12-23 | RAUSCH CREEK GENERATION LLC/FRAILEY TWP — high-priority violation on file | TREMONT, Schuylkill, PA | Pass | State |
| 2019-12-23 | ACME BRICK ELGIN PLANT | ELGIN, Bastrop, TX | N/A | State |
| 2019-12-23 | WISCONSIN ELECTRIC POWER COMPANY D/B/A WE ENERGIES-GERMANTOWN STATION | GERMANTOWN, Waukesha, WI | Pass | State |
| 2019-12-23 | LOST CABIN GAS PLANT (CONTANGO RESOURCES, LLC.) — high-priority violation on file | LOST CABIN, Fremont, WY | Pass | State |
| 2019-12-21 | SOUTHERN NATURAL GAS | ELMORE, Elmore, AL | Pass | State |
| 2019-12-21 | PUBLIC SERVICE CO - HAYDEN PLT | HAYDEN, Routt, CO | Pass | State |
| 2019-12-21 | AES WARRIOR RUN | CUMBERLAND, Allegany, MD | Pass | State |
| 2019-12-20 | DESOTO GATHERING COMPANY, LLC - TIGER CPF 2 | JUDSONIA, White, AR | Pass | State |
| 2019-12-20 | APACHE GENERATING STATION | COCHISE, Cochise, AZ | Pass | State |
| 2019-12-20 | FREEPORT-MCMORAN - SAFFORD OPERATIONS | SAFFORD, Graham, AZ | Pass | State |
| 2019-12-20 | ME GLOBAL | MARICOPA COUNTY, Maricopa, AZ | Pass | Local |
| 2019-12-20 | VULCAN ASPHALT | MARICOPA COUNTY, Maricopa, AZ | Pass | Local |
| 2019-12-20 | LA CO., INTERNAL SERVICE DEPT | LOS ANGELES, Los Angeles, CA | Pass | Local |
| 2019-12-20 | EMD SPECIALTY MATERIALS, LLC ARLON EMD | RANCHO CUCAMONGA, San Bernardino, CA | Pass | Local |
| 2019-12-20 | EMD SPECIALTY MATERIALS, LLC ARLON EMD | RANCHO CUCAMONGA, San Bernardino, CA | Pass | Local |
| 2019-12-20 | EMD SPECIALTY MATERIALS, LLC ARLON EMD | RANCHO CUCAMONGA, San Bernardino, CA | Pass | Local |
| 2019-12-20 | FRITO LAY INC | RANCHO CUCAMONGA, San Bernardino, CA | Pass | Local |
| 2019-12-20 | FRITO LAY INC | RANCHO CUCAMONGA, San Bernardino, CA | Pass | Local |
| 2019-12-20 | DEUEL VOCATIONAL INSTITUTE | TRACY, San Joaquin, CA | Pass | Local |
| 2019-12-20 | DEUEL VOCATIONAL INSTITUTE | TRACY, San Joaquin, CA | Pass | Local |
| 2019-12-20 | DEUEL VOCATIONAL INSTITUTE | TRACY, San Joaquin, CA | Pass | Local |
| 2019-12-20 | DEUEL VOCATIONAL INSTITUTE | TRACY, San Joaquin, CA | Pass | Local |
| 2019-12-20 | DEUEL VOCATIONAL INSTITUTE | TRACY, San Joaquin, CA | Pass | Local |
| 2019-12-20 | DEUEL VOCATIONAL INSTITUTE | TRACY, San Joaquin, CA | Pass | Local |
| 2019-12-20 | DEUEL VOCATIONAL INSTITUTE | TRACY, San Joaquin, CA | Pass | Local |
| 2019-12-20 | DEUEL VOCATIONAL INSTITUTE | TRACY, San Joaquin, CA | Pass | Local |
| 2019-12-20 | ROCKY MOUNTAIN MIDSTREAM - WEST BRIGHTON | TODD CREEK AREA, Weld, CO | Pass | State |
| 2019-12-20 | ROCKY MOUNTAIN MIDSTREAM - WEST BRIGHTON | TODD CREEK AREA, Weld, CO | Pass | State |
| 2019-12-20 | HOWARD UNIVERSITY | WASHINGTON, District of Columbia, DC | Fail | State |
| 2019-12-20 | U.S. SUGAR CORPORATION | CLEWISTON, Hendry, FL | Pass | State |
| 2019-12-20 | SOFIDEL AMERICA, INC. | HAINES CITY, Polk, FL | Pass | State |
| 2019-12-20 | SOFIDEL AMERICA, INC. | HAINES CITY, Polk, FL | Pass | State |
| 2019-12-20 | SOFIDEL AMERICA, INC. | HAINES CITY, Polk, FL | Pass | State |
| 2019-12-20 | SUWANNEE AMERICAN CEMENT COMPANY, LLC. | SUMTERVILLE, Sumter, FL | Pass | State |
| 2019-12-20 | GIW INDUSTRIES, INC. | GROVETOWN, Columbia, GA | Pass | State |
| 2019-12-20 | TESSENDERLO KERLEY (AIR) | COFFEYVILLE, Montgomery, KS | Pass | State |
| 2019-12-20 | ARBOR HILLS LANDFILL, INC. — high-priority violation on file | NORTHVILLE, Washtenaw, MI | Fail | State |
| 2019-12-20 | ENVIVA SAMPSON | FAISON, Sampson, NC | Fail | State |
| 2019-12-20 | NEWTOWN CREEK WASTEWATER RESOURCE RECOVERY FACILITY | BROOKLYN (6101), Kings, NY | Pass | State |
| 2019-12-20 | BOYD HALL PAD 952356 | BARNESVILLE, Belmont, OH | Pass | State |
| 2019-12-20 | BOYD HALL PAD 952356 | BARNESVILLE, Belmont, OH | Pass | State |
| 2019-12-20 | BOYD HALL PAD 952356 | BARNESVILLE, Belmont, OH | Pass | State |
| 2019-12-20 | ASCENT RESOURCES - UTICA LLC - WATSON MLW GR | SALESVILLE, Guernsey, OH | Pass | State |
| 2019-12-20 | ASCENT RESOURCES - UTICA LLC - WATSON MLW GR | SALESVILLE, Guernsey, OH | Pass | State |
| 2019-12-20 | IRON HORSE MIDSTREAM LLC / IRON HORSE PROCESSING PLANT | AMBER, Grady, OK | Pass | State |
| 2019-12-20 | IRON HORSE MIDSTREAM LLC / IRON HORSE PROCESSING PLANT | AMBER, Grady, OK | Pass | State |
| 2019-12-20 | NORTHAMPTON GEN CO/NORTHAMPTON | NORTHAMPTON, Northampton, PA | Pass | State |
| 2019-12-20 | INTER POWER AHLCON LP/COLVER POWER PROJ — high-priority violation on file | COLVER, Cambria, PA | Pass | State |
| 2019-12-20 | WWF OP CO LLC/DUBOIS PLT | DUBOIS, Clearfield, PA | Fail | State |
| 2019-12-20 | WESTVACO FACILITY (WE SODA WYOMING LP) | SWEETWATER COUNTY, Sweetwater, WY | Pass | State |
| 2019-12-19 | JOHNSON COMPRESSOR STATION | MANDAREE, McKenzie, ND | Pass | U.S. EPA |
| 2019-12-19 | UNIVERSITY OF ALASKA / UNIVERSITY OF ALASKA FAIRBANKS CAMPUS — high-priority violation on file | FAIRBANKS, Fairbanks North Star, AK | Pass | State |
| 2019-12-19 | AMERICAN KRAFT PAPER INDUSTRIES, LLC. | WHITE HALL, Jefferson, AR | Pass | State |
| 2019-12-19 | DESOTO GATHERING COMPANY, LLC - MIDGE CPF-2 | PANGBURN, White, AR | Pass | State |
| 2019-12-19 | APS WEST PHX POWER PLANT | MARICOPA COUNTY, Maricopa, AZ | Pass | Local |
| 2019-12-19 | MOSS LANDING POWER COMPANY LLC (FRMLY DYNEGY MOSS LANDING LLC) | MOSS LANDING, Monterey, CA | Pending | Local |
| 2019-12-19 | CAL PORTLAND CEMENT | ORO GRANDE, San Bernardino, CA | Pending | Local |
| 2019-12-19 | THE GILL CORPORATION | EL MONTE, Los Angeles, CA | Pass | Local |
| 2019-12-19 | OC WASTE & RECYCLING, COYOTE | NEWPORT COAST, Orange, CA | Pass | Local |
| 2019-12-19 | FULCRUM ENERGY - BIGHORN-MUTUAL 0780 S17 | WALDEN 11.6 MI. N OF, Jackson, CO | Pass | State |
| 2019-12-19 | BONANZA CREEK - STATE ANTELOPE CPF O-1 | KERSEY 14.0 MI. E OF, Weld, CO | Pass | State |
| 2019-12-19 | ROCKY MOUNTAIN MIDSTREAM - WEST BRIGHTON | TODD CREEK AREA, Weld, CO | Pass | State |
| 2019-12-19 | ROCKY MOUNTAIN MIDSTREAM - WEST BRIGHTON | TODD CREEK AREA, Weld, CO | Pass | State |
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Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.