EPA Air · stack tests by year
Air-emissions stack tests in 2023
- 26,911Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit.
States, 2023
- California 7,676
- Ohio 2,800
- Florida 1,589
- Indiana 1,487
- Oklahoma 1,420
- New Mexico 1,087
- Georgia 1,057
- Pennsylvania 889
- Alabama 689
- Wyoming 670
- Mississippi 625
- Arkansas 602
- Iowa 453
- Colorado 436
- Texas 395
- Missouri 328
- North Carolina 302
- Washington 283
- Wisconsin 251
- Michigan 229
- Minnesota 228
- Delaware 224
- South Carolina 222
- West Virginia 218
- Kentucky 210
- Tennessee 200
- Utah 196
- Montana 177
- Virginia 170
- North Dakota 157
- Illinois 152
- Nebraska 152
- Alaska 140
- Nevada 127
- New York 123
- Maine 111
- Connecticut 108
- Arizona 102
- Louisiana 77
- Idaho 77
- Hawaii 72
- New Hampshire 58
- New Jersey 56
- South Dakota 54
- Maryland 49
- Kansas 45
- Oregon 44
- District of Columbia 36
- Massachusetts 27
- Rhode Island 20
- Puerto Rico 6
- Vermont 5
Other years
Air-emissions stack tests recorded in 2023
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2023-08-12 | U S DEPT OF ENERGY-INL | IDAHO, Undetermined, ID | Pass | State |
| 2023-08-12 | TRIALCO ALUMINUM LLC | CHICAGO HEIGHTS, Cook, IL | Fail | State |
| 2023-08-12 | COPE STATION | COPE, Orangeburg, SC | Pass | State |
| 2023-08-11 | ALABAMA POWER COMPANY | EASTABOGA, Calhoun, AL | Pass | State |
| 2023-08-11 | LOUISIANA-PACIFIC CORPORATION | HANCEVILLE, Cullman, AL | Pass | State |
| 2023-08-11 | PRUET PRODUCTION COMPANY | BREWTON, Escambia, AL | Pass | State |
| 2023-08-11 | POTLATCHDELTIC MANUFACTURING LLC - WALDO LUMBER MILL | WALDO, Columbia, AR | Pass | State |
| 2023-08-11 | DESOTO GATHERING COMPANY, LLC - STEELHEAD CPF-3 | CLINTON, Van Buren, AR | Pass | State |
| 2023-08-11 | DESOTO GATHERING COMPANY, LLC - STEELHEAD CPF-3 | CLINTON, Van Buren, AR | Pass | State |
| 2023-08-11 | DESOTO GATHERING COMPANY, LLC - STEELHEAD CPF-3 | CLINTON, Van Buren, AR | Pass | State |
| 2023-08-11 | SO CAL GAS CO | NORTHRIDGE, Los Angeles, CA | Pass | Local |
| 2023-08-11 | NAFTEX OPERATING CO-PORTALS PETRO LEASE — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-11 | NAFTEX OPERATING CO-PORTALS PETRO LEASE — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-11 | MACPHERSON OIL CO - HEAVY OIL | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-11 | MACPHERSON OIL CO - HEAVY OIL | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-11 | MACPHERSON OIL CO - HEAVY OIL | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-11 | MACPHERSON OIL CO - HEAVY OIL | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-11 | SAPUTO CHEESE USA INC | TULARE, Tulare, CA | Pass | Local |
| 2023-08-11 | SAPUTO CHEESE USA INC | TULARE, Tulare, CA | Pass | Local |
| 2023-08-11 | HELCO - KEAHOLE — high-priority violation on file | KAILUA KONA, Hawaii, HI | Pass | State |
| 2023-08-11 | MARSHALL MUNICIPAL UTILITIES | MARSHALL, Clark, IL | Pass | State |
| 2023-08-11 | GRANITE CITY WORKS OF UNITED STATES STEEL CORP — high-priority violation on file | GRANITE CITY, Madison, IL | Pass | State |
| 2023-08-11 | THE FORD METER BOX COMPANY INC | WABASH, Wabash, IN | Pass | State |
| 2023-08-11 | THE FORD METER BOX COMPANY INC | WABASH, Wabash, IN | Pass | State |
| 2023-08-11 | THE FORD METER BOX COMPANY INC | WABASH, Wabash, IN | Pass | State |
| 2023-08-11 | THE FORD METER BOX COMPANY INC | WABASH, Wabash, IN | Pass | State |
| 2023-08-11 | THE FORD METER BOX COMPANY INC | WABASH, Wabash, IN | Pass | State |
| 2023-08-11 | THE FORD METER BOX COMPANY INC | WABASH, Wabash, IN | Pass | State |
| 2023-08-11 | THE FORD METER BOX COMPANY INC | WABASH, Wabash, IN | Pass | State |
| 2023-08-11 | THE FORD METER BOX COMPANY INC | WABASH, Wabash, IN | Pass | State |
| 2023-08-11 | THE FORD METER BOX COMPANY INC | WABASH, Wabash, IN | Pass | State |
| 2023-08-11 | THE FORD METER BOX COMPANY INC | WABASH, Wabash, IN | Pass | State |
| 2023-08-11 | ADHESIVE APPLICATION INC | EASTHAMPTON, Hampshire, MA | Pass | State |
| 2023-08-11 | PROCTER & GAMBLE PAPER PRODUCTS COMPANY | JACKSON, Cape Girardeau, MO | Pass | State |
| 2023-08-11 | PROCTER & GAMBLE PAPER PRODUCTS COMPANY | JACKSON, Cape Girardeau, MO | Pass | State |
| 2023-08-11 | PROCTER & GAMBLE PAPER PRODUCTS COMPANY | JACKSON, Cape Girardeau, MO | Pass | State |
| 2023-08-11 | PROCTER & GAMBLE PAPER PRODUCTS COMPANY | JACKSON, Cape Girardeau, MO | Pass | State |
| 2023-08-11 | PROCTER & GAMBLE PAPER PRODUCTS COMPANY | JACKSON, Cape Girardeau, MO | Pass | State |
| 2023-08-11 | PROCTER & GAMBLE PAPER PRODUCTS COMPANY | JACKSON, Cape Girardeau, MO | Pass | State |
| 2023-08-11 | AMRIZE CEMENT INC | BLOOMSDALE, Ste. Genevieve, MO | N/A | State |
| 2023-08-11 | AMRIZE CEMENT INC | BLOOMSDALE, Ste. Genevieve, MO | Pass | State |
| 2023-08-11 | AMRIZE CEMENT INC | BLOOMSDALE, Ste. Genevieve, MO | N/A | State |
| 2023-08-11 | MARTIN MARIETTA MATERIALS, INC. - ASHEBORO QUARRY | ASHEBORO, Randolph, NC | Pass | State |
| 2023-08-11 | HF SINCLAIR NAVAJO REFINING LLC (ARTESIA) — high-priority violation on file | ARTESIA, Eddy, NM | Pass | State |
| 2023-08-11 | BLUE QUAIL COMPRESSOR STATION | LOCO HILLS, Eddy, NM | Pass | State |
| 2023-08-11 | AMERICAN GYPSUM COMPANY | ALBUQUERQUE, Bernalillo, NM | Pass | Local |
| 2023-08-11 | SHELBY ETHANOL PLANT | SHELBY, Orleans, NY | Pass | State |
| 2023-08-11 | DECKER MATERIALS COMPANY | COLUMBUS, Franklin, OH | Pass | State |
| 2023-08-11 | MSC WALBRIDGE COATINGS INC — high-priority violation on file | WALBRIDGE, Wood, OH | Pass | State |
| 2023-08-11 | MARKWEST OKLAHOMA GAS CO LLC / BUFFALO CREEK PROCESSING PLANT — high-priority violation on file | SAYRE, Beckham, OK | Pass | State |
| 2023-08-11 | ET GATHERING PROCESSING LLC / SAINTS COMPRESSOR STATION | SHATTUCK, Ellis, OK | Pass | State |
| 2023-08-11 | ET GATHERING PROCESSING LLC / BISHOP COMPRESSOR STATION | ARNETT, Ellis, OK | Pass | State |
| 2023-08-11 | BCE MACH III LLC / LNU 81 3HO 82 5HO 52 2HO | DOVER, Kingfisher, OK | Pass | State |
| 2023-08-11 | BCE MACH III LLC / LSEOU 13 2HO LSEOU 14 4HO LSEOU 29 4HO | CRESCENT, Kingfisher, OK | Pass | State |
| 2023-08-11 | EQM GATHERING OPCO LLC/STEELHEAD COMP STA | MARIANNA, Washington, PA | Pass | State |
| 2023-08-11 | EXPAND OPERATING LLC/TI-09-BROWN WELL PAD | LIBERTY, Lycoming, PA | Fail | State |
| 2023-08-11 | PALMETTO CORPORATION FLORENCE PLANT — high-priority violation on file | FLORENCE, Florence, SC | Pass | State |
| 2023-08-11 | KINDER MORGAN CRUDE & CONDENSATE KMCC SPLITTER FACILITY — high-priority violation on file | GALENA PARK, Harris, TX | Pass | State |
| 2023-08-11 | KINDER MORGAN CRUDE & CONDENSATE KMCC SPLITTER FACILITY — high-priority violation on file | GALENA PARK, Harris, TX | Pass | State |
| 2023-08-11 | EVEREST CENTRAL PRODUCTION FACILITY | PYOTE, Ward, TX | Pass | State |
| 2023-08-11 | EVEREST CENTRAL PRODUCTION FACILITY | PYOTE, Ward, TX | Pass | State |
| 2023-08-11 | TRANSCO COMPRESSOR STATIONS 165 AND 166 | CHATHAM, Pittsylvania, VA | Pass | State |
| 2023-08-11 | TRANSCO COMPRESSOR STATIONS 165 AND 166 | CHATHAM, Pittsylvania, VA | Pass | State |
| 2023-08-11 | GRAYS HARBOR ENERGY LLC | ELMA, Grays Harbor, WA | Pass | Local |
| 2023-08-11 | AMCOR HEALTHCARE PACKAGING INC - NEW LONDON | NEW LONDON, Ozaukee, WI | Pass | State |
| 2023-08-11 | JONATHON LIME PLANT & LIME KILN DUST LANDFILL (PETE LIEN & SONS INC) | ALBANY COUNTY, Albany, WY | Pass | State |
| 2023-08-11 | JONATHON LIME PLANT & LIME KILN DUST LANDFILL (PETE LIEN & SONS INC) | ALBANY COUNTY, Albany, WY | Pass | State |
| 2023-08-11 | PARADISE COMPRESSOR STATION (ENTERPRISE JONAH GAS GATHERING CO) | SUBLETTE COUNTY, Sublette, WY | Pass | State |
| 2023-08-11 | PARADISE COMPRESSOR STATION (ENTERPRISE JONAH GAS GATHERING CO) | SUBLETTE COUNTY, Sublette, WY | Pass | State |
| 2023-08-11 | PARADISE COMPRESSOR STATION (ENTERPRISE JONAH GAS GATHERING CO) | SUBLETTE COUNTY, Sublette, WY | Pass | State |
| 2023-08-11 | PARADISE COMPRESSOR STATION (ENTERPRISE JONAH GAS GATHERING CO) | SUBLETTE COUNTY, Sublette, WY | Pass | State |
| 2023-08-11 | PARADISE COMPRESSOR STATION (ENTERPRISE JONAH GAS GATHERING CO) | SUBLETTE COUNTY, Sublette, WY | Pass | State |
| 2023-08-11 | PARADISE COMPRESSOR STATION (ENTERPRISE JONAH GAS GATHERING CO) | SUBLETTE COUNTY, Sublette, WY | Pass | State |
| 2023-08-11 | PARADISE COMPRESSOR STATION (ENTERPRISE JONAH GAS GATHERING CO) | SUBLETTE COUNTY, Sublette, WY | Pass | State |
| 2023-08-11 | PARADISE COMPRESSOR STATION (ENTERPRISE JONAH GAS GATHERING CO) | SUBLETTE COUNTY, Sublette, WY | Pass | State |
| 2023-08-11 | PARADISE COMPRESSOR STATION (ENTERPRISE JONAH GAS GATHERING CO) | SUBLETTE COUNTY, Sublette, WY | Pass | State |
| 2023-08-11 | PARADISE COMPRESSOR STATION (ENTERPRISE JONAH GAS GATHERING CO) | SUBLETTE COUNTY, Sublette, WY | Pass | State |
| 2023-08-11 | PARADISE COMPRESSOR STATION (ENTERPRISE JONAH GAS GATHERING CO) | SUBLETTE COUNTY, Sublette, WY | Pass | State |
| 2023-08-11 | PARADISE COMPRESSOR STATION (ENTERPRISE JONAH GAS GATHERING CO) | SUBLETTE COUNTY, Sublette, WY | Pass | State |
| 2023-08-11 | PARADISE COMPRESSOR STATION (ENTERPRISE JONAH GAS GATHERING CO) | SUBLETTE COUNTY, Sublette, WY | Pass | State |
| 2023-08-10 | TARGA- CLARK'S CREEK COMPRESSOR STATION | KEENE, McKenzie, ND | Pass | U.S. EPA |
| 2023-08-10 | TARGA- CLARK'S CREEK COMPRESSOR STATION | KEENE, McKenzie, ND | Pass | U.S. EPA |
| 2023-08-10 | US AIR FORCE (EIELSON) / EIELSON AIR FORCE BASE — high-priority violation on file | FAIRBANKS, Fairbanks North Star, AK | Pass | State |
| 2023-08-10 | ALPHAPET INC — high-priority violation on file | DECATUR, Morgan, AL | Pass | State |
| 2023-08-10 | LHOIST NORTH AMERICA OF ALABAMA, LLC | CALERA, Shelby, AL | Pass | State |
| 2023-08-10 | CIRCLE K TERMINAL ALABAMA LLC (OLD BAMA TERMINAL) | BIRMINGHAM, Jefferson, AL | Fail | Local |
| 2023-08-10 | DESOTO GATHERING COMPANY LLC - PIKE CPF-1 | HATTIEVILLE, Conway, AR | Pass | State |
| 2023-08-10 | FUTUREFUEL CHEMICAL COMPANY | BATESVILLE, Independence, AR | Pass | State |
| 2023-08-10 | APS REDHAWK GENERATING FACILITY | MARICOPA COUNTY, Maricopa, AZ | Pass | Local |
| 2023-08-10 | SACRAMENTO AREA SEWER DISTRICT | ELK GROVE, Sacramento, CA | Pass | Local |
| 2023-08-10 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-10 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-10 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-10 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-10 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-10 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-10 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-10 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-10 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-10 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.