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 |
|---|---|---|---|---|
| 2019-08-27 | PUGET SOUND ENERGY - ENCOGEN | BELLINGHAM, Whatcom, WA | Pass | Local |
| 2019-08-27 | AMERICAN PACKAGING CORP | COLUMBUS, Columbia, WI | Pass | State |
| 2019-08-27 | GRAYMONT WESTERN LIME - EDEN | EDEN, Fond du Lac, WI | Pass | State |
| 2019-08-27 | ARMSTRONG WORLD INDUSTRIES, INC., MILLWOOD | MILLWOOD, Jackson, WV | Pass | State |
| 2019-08-27 | MONONGAHELA POWER COMPANY, FORT MARTIN STATION | MAIDSVILLE, Monongalia, WV | Pass | State |
| 2019-08-27 | PLEASANTS ENERGY, LLC, WAVERLY | WILLOW ISLAND, Pleasants, WV | Pass | State |
| 2019-08-27 | FALCON COMPRESSOR STATION (ENTERPRISE JONAH GAS GATHERING COMPANY, LLC) | SUBLETTE COUNTY, Sublette, WY | Pass | State |
| 2019-08-26 | COASTAL FOREST PRODUCTS LLC | CHAPMAN, Butler, AL | Pass | State |
| 2019-08-26 | GEORGIA-PACIFIC BREWTON LLC | BREWTON, Escambia, AL | Pass | State |
| 2019-08-26 | STAR RIDGE LANDFILL | MOODY, St. Clair, AL | Pass | State |
| 2019-08-26 | WARRIOR MET COAL GAS, LLC | NORTHPORT, Tuscaloosa, AL | Pass | State |
| 2019-08-26 | DESOTO GATHERING COMPANY, LLC - WEST CUTTHROAT CPF-2 | QUITMAN, Cleburne, AR | Pass | State |
| 2019-08-26 | DESOTO GATHERING COMPANY, LLC - GRAVEL HILL CPF-4 | SCOTLAND, Van Buren, AR | Pass | State |
| 2019-08-26 | ARCOSA LIGHTWEIGHT, FRAZIER PARK (1603) — high-priority violation on file | FRAZIER PARK, Ventura, CA | Pass | Local |
| 2019-08-26 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | Pass | State |
| 2019-08-26 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | Pass | State |
| 2019-08-26 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | Pass | State |
| 2019-08-26 | NEENAH FOUNDRY COMPANY | MEDLEY, Miami-Dade, FL | Pass | State |
| 2019-08-26 | NEENAH FOUNDRY COMPANY | MEDLEY, Miami-Dade, FL | Pass | State |
| 2019-08-26 | FLORIDA POWER & LIGHT (PMR) | INDIANTOWN, Martin, FL | Pass | State |
| 2019-08-26 | FLORIDA POWER & LIGHT (PMR) | INDIANTOWN, Martin, FL | Pass | State |
| 2019-08-26 | FLORIDA POWER & LIGHT (PMR) | INDIANTOWN, Martin, FL | Pass | State |
| 2019-08-26 | SOUTH FLORIDA WATER MANAGEMENT DISTRICT | LOXAHATCHEE, Palm Beach, FL | Pass | State |
| 2019-08-26 | SOUTH FLORIDA WATER MANAGEMENT DISTRICT | LOXAHATCHEE, Palm Beach, FL | Pass | State |
| 2019-08-26 | SOUTH FLORIDA WATER MANAGEMENT DISTRICT | LOXAHATCHEE, Palm Beach, FL | Pass | State |
| 2019-08-26 | SOUTH FLORIDA WATER MANAGEMENT DISTRICT | LOXAHATCHEE, Palm Beach, FL | Pass | State |
| 2019-08-26 | SOUTH FLORIDA WATER MANAGEMENT DISTRICT | LOXAHATCHEE, Palm Beach, FL | Pass | State |
| 2019-08-26 | SOUTH FLORIDA WATER MANAGEMENT DISTRICT | LOXAHATCHEE, Palm Beach, FL | Pass | State |
| 2019-08-26 | OWENS CORNING INSULATING SYSTEMS, LLC | LAKELAND, Polk, FL | Pass | State |
| 2019-08-26 | GERDAU AMERISTEEL US INC. | CARTERSVILLE, Bartow, GA | Pass | State |
| 2019-08-26 | CLEARWATER PAPER CORPORATION - AUGUSTA MILL — high-priority violation on file | AUGUSTA, Richmond, GA | Pass | State |
| 2019-08-26 | TROJAN BATTERY COMPANY, LLC | SANDERSVILLE, Washington, GA | Pass | State |
| 2019-08-26 | TROJAN BATTERY COMPANY, LLC | SANDERSVILLE, Washington, GA | Pass | State |
| 2019-08-26 | TROJAN BATTERY COMPANY, LLC | SANDERSVILLE, Washington, GA | Pass | State |
| 2019-08-26 | PAR - REFINERY — high-priority violation on file | KAPOLEI, Honolulu, HI | Pass | State |
| 2019-08-26 | ADM CLINTON BIOPROCESSING - CLINTON — high-priority violation on file | CLINTON, Clinton, IA | Pass | State |
| 2019-08-26 | IOWA FERTILIZER CO — high-priority violation on file | WEVER, Lee, IA | Pass | State |
| 2019-08-26 | CF INDUSTRIES NITROGEN LLC - PORT NEAL NITROGEN COMPLEX — high-priority violation on file | SERGEANT BLUFF, Woodbury, IA | Fail | State |
| 2019-08-26 | ROCK CONTRACTORS INC 00160 | NAMPA, Canyon, ID | Pass | State |
| 2019-08-26 | ROCK CONTRACTORS 00590 | NAMPA, Canyon, ID | Pass | State |
| 2019-08-26 | PRINCETON MUNICIPAL ELECTRIC UTILITY | PRINCETON, Bureau, IL | Pass | State |
| 2019-08-26 | WAUPACA FOUNDRY INC PLANT 5 — high-priority violation on file | TELL CITY, Perry, IN | Pass | State |
| 2019-08-26 | WAUPACA FOUNDRY INC PLANT 5 — high-priority violation on file | TELL CITY, Perry, IN | Pass | State |
| 2019-08-26 | WAUPACA FOUNDRY INC PLANT 5 — high-priority violation on file | TELL CITY, Perry, IN | Pass | State |
| 2019-08-26 | TRIDENT | THREE FORKS, Gallatin, MT | Pass | State |
| 2019-08-26 | TRIDENT | THREE FORKS, Gallatin, MT | Pass | State |
| 2019-08-26 | TRIDENT | THREE FORKS, Gallatin, MT | Pass | State |
| 2019-08-26 | TRIDENT | THREE FORKS, Gallatin, MT | Pass | State |
| 2019-08-26 | OTTER TAIL POWER COMPANY - COYOTE STATION - AQ | BEULAH, Mercer, ND | Pass | State |
| 2019-08-26 | CUNNINGHAM STATION POWER PLANT | HOBBS, Lea, NM | Pass | State |
| 2019-08-26 | GAUCHO 21 WELLPAD 2 | JAL, Lea, NM | Pass | State |
| 2019-08-26 | EIDER COMPRESSOR STATION | MALAGA, Lea, NM | Pass | State |
| 2019-08-26 | ET GATHERING PROCESSING LLC / TERRIER COMPRESSOR STATION | THOMAS, Custer, OK | Pass | State |
| 2019-08-26 | ET GATHERING PROCESSING LLC / TERRIER COMPRESSOR STATION | THOMAS, Custer, OK | Pass | State |
| 2019-08-26 | ET GATHERING PROCESSING LLC / SCHROCK COMPRESSOR STATION | THOMAS, Custer, OK | Pass | State |
| 2019-08-26 | ET GATHERING PROCESSING LLC / CHEYENNE COMPRESSOR STATION | CHEYENNE, Roger Mills, OK | Pass | State |
| 2019-08-26 | ET GATHERING PROCESSING LLC / CHEYENNE COMPRESSOR STATION | CHEYENNE, Roger Mills, OK | Pass | State |
| 2019-08-26 | ET GATHERING PROCESSING LLC / CHEYENNE COMPRESSOR STATION | CHEYENNE, Roger Mills, OK | Pass | State |
| 2019-08-26 | OG AND E / SEMINOLE GENERATING STATION | KONAWA, Seminole, OK | Pass | State |
| 2019-08-26 | REGENCY MARCELLUS GAS GATHERING LLC/OGONTZ WEST COMP STA | CUMMINS TWP, Lycoming, PA | Pass | State |
| 2019-08-26 | UGI MORAINE EAST GATHERING LLC/RENICK COMP STA | WEST SUNBURY, Butler, PA | Pass | State |
| 2019-08-26 | DIVERSIFIED PROD LLC/NV 34 WELLPAD — high-priority violation on file | PROSPERITY, Washington, PA | Pass | State |
| 2019-08-26 | DIVERSIFIED PROD LLC/NINEVEH 58 WELL PAD — high-priority violation on file | PROSPERITY, Washington, PA | Pass | State |
| 2019-08-26 | DIVERSIFIED PROD LLC/NV 60 WELLPAD | CLAYSVILLE, Washington, PA | Pass | State |
| 2019-08-26 | ADVANSIX (FORMERLY HONEYWELL/FRANKFORD PLT) — high-priority violation on file | PHILADELPHIA, Philadelphia, PA | Pass | Local |
| 2019-08-26 | AMRIZE CEMENT INC. - HOLLY HILL PLANT | HOLLY HILL, Orangeburg, SC | Pass | State |
| 2019-08-26 | NUCOR STEEL | PLYMOUTH, Box Elder, UT | Pass | State |
| 2019-08-26 | WESTROCK LONGVIEW LLC — high-priority violation on file | LONGVIEW, Cowlitz, WA | Pass | State |
| 2019-08-26 | HOUSE CREEK MAINLINE COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2019-08-26 | SHUTE CREEK TREATING FACILITY (EXXON MOBIL CORP) | LINCOLN COUNTY, Lincoln, WY | Pass | State |
| 2019-08-25 | VERNON PUBLIC UTILITIES | LOS ANGELES, Los Angeles, CA | Pass | Local |
| 2019-08-25 | VERNON PUBLIC UTILITIES | LOS ANGELES, Los Angeles, CA | Pass | Local |
| 2019-08-25 | CON ED-EAST RIVER GENERATING STATION | NEW YORK, New York, NY | Pass | State |
| 2019-08-25 | NUCOR STEEL | PLYMOUTH, Box Elder, UT | Pass | State |
| 2019-08-24 | DUKE ENERGY PROGRESS, INC. | ARDEN, Buncombe, NC | Pass | Local |
| 2019-08-23 | COOPER TIMBERLANDS CORP. | THOMASVILLE, Clarke, AL | Pass | State |
| 2019-08-23 | WARRIOR MET COAL GAS, LLC | NORTHPORT, Tuscaloosa, AL | Pass | State |
| 2019-08-23 | WARRIOR MET COAL GAS, LLC | NORTHPORT, Tuscaloosa, AL | Pass | State |
| 2019-08-23 | DESOTO GATHERING COMPANY, LLC - S. BROWNIE CPF-1 | HATTIEVILLE, Conway, AR | Pass | State |
| 2019-08-23 | PROCTER & GAMBLE | SACRAMENTO, Sacramento, CA | Pass | Local |
| 2019-08-23 | NORTHRUP GRUMMAN SYSTEMS | MANHATTAN BEACH, Los Angeles, CA | Pass | Local |
| 2019-08-23 | NORTHRUP GRUMMAN SYSTEMS | MANHATTAN BEACH, Los Angeles, CA | Pass | Local |
| 2019-08-23 | NORTHRUP GRUMMAN SYSTEMS | MANHATTAN BEACH, Los Angeles, CA | Pass | Local |
| 2019-08-23 | NORTHRUP GRUMMAN SYSTEMS | MANHATTAN BEACH, Los Angeles, CA | Pass | Local |
| 2019-08-23 | LONG BEACH SERRF PROJECT | LONG BEACH, Los Angeles, CA | Pass | Local |
| 2019-08-23 | LOS GATOS TOMATO PRODUCTS | HURON, Fresno, CA | Pass | Local |
| 2019-08-23 | LOS GATOS TOMATO PRODUCTS | HURON, Fresno, CA | Pass | Local |
| 2019-08-23 | LOS GATOS TOMATO PRODUCTS | HURON, Fresno, CA | Pass | Local |
| 2019-08-23 | LOS GATOS TOMATO PRODUCTS | HURON, Fresno, CA | Pass | Local |
| 2019-08-23 | LOS GATOS TOMATO PRODUCTS | HURON, Fresno, CA | Pass | Local |
| 2019-08-23 | LOS GATOS TOMATO PRODUCTS | HURON, Fresno, CA | Pass | Local |
| 2019-08-23 | CHEVRON USA — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2019-08-23 | CHEVRON USA — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2019-08-23 | LINN OPERATING INC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2019-08-23 | LINN OPERATING INC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2019-08-23 | FOSTER FOOD PRODUCTS — high-priority violation on file | LIVINGSTON, Merced, CA | Pass | Local |
| 2019-08-23 | FOSTER FOOD PRODUCTS — high-priority violation on file | LIVINGSTON, Merced, CA | Pass | Local |
| 2019-08-23 | DCP OPERATING CO - ENTERPRISE C.S. — high-priority violation on file | KEENESBURG 5.2 MI. N OF, Weld, CO | Pass | State |
| 2019-08-23 | OWENS-BROCKWAY GLASS - WINDSOR #28 — high-priority violation on file | WINDSOR, Weld, CO | Pass | State |
| 2019-08-23 | U S NAVAL SUBMARINE BASE — high-priority violation on file | GROTON (HISTORICAL), New London, CT | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.