EPA Air · stack tests by year
Air-emissions stack tests in 2018
- 25,145Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit.
States, 2018
- California 7,098
- Ohio 2,476
- Oklahoma 1,684
- Indiana 1,605
- Florida 1,563
- Georgia 1,137
- Pennsylvania 813
- Alabama 645
- Texas 611
- Mississippi 598
- Arkansas 555
- Iowa 464
- Missouri 414
- Washington 394
- Colorado 353
- Wisconsin 280
- Montana 269
- North Carolina 261
- Michigan 259
- Wyoming 253
- South Carolina 252
- Minnesota 218
- Kentucky 200
- Kansas 195
- Delaware 194
- Alaska 178
- Illinois 165
- Nebraska 152
- Utah 137
- West Virginia 137
- Tennessee 129
- North Dakota 117
- Virginia 116
- New York 116
- Connecticut 114
- Nevada 101
- New Jersey 100
- Maine 88
- New Hampshire 83
- Oregon 83
- Idaho 77
- Hawaii 77
- South Dakota 67
- Arizona 61
- Maryland 58
- Louisiana 54
- Massachusetts 41
- District of Columbia 33
- New Mexico 31
- Vermont 20
- Rhode Island 10
- Puerto Rico 9
Other years
Air-emissions stack tests recorded in 2018
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2018-09-26 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2018-09-26 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2018-09-26 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2018-09-26 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2018-09-26 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2018-09-26 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2018-09-26 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2018-09-26 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2018-09-26 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2018-09-26 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2018-09-26 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2018-09-26 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2018-09-26 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2018-09-26 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2018-09-26 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2018-09-26 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2018-09-26 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2018-09-26 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2018-09-26 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2018-09-26 | DCP OPERATING CO - MEWBOURN — high-priority violation on file | GILCREST 2.4 MI. N OF, Weld, CO | Pass | State |
| 2018-09-26 | DCP OPERATING CO - MEWBOURN — high-priority violation on file | GILCREST 2.4 MI. N OF, Weld, CO | Pass | State |
| 2018-09-26 | LAKELAND ELECTRIC | LAKELAND, Polk, FL | Pass | State |
| 2018-09-26 | GA POWER CO. - PLANT BOWEN | CARTERSVILLE, Bartow, GA | Pass | State |
| 2018-09-26 | GA POWER CO. - PLANT BOWEN | CARTERSVILLE, Bartow, GA | Pass | State |
| 2018-09-26 | INTERSTATE PAPER LLC DBA DSSMITH RICEBORO — high-priority violation on file | RICEBORO, Liberty, GA | Pass | State |
| 2018-09-26 | GA POWER CO. - PLANT SCHERER | JULIETTE, Monroe, GA | Pass | State |
| 2018-09-26 | GA POWER CO. - PLANT SCHERER | JULIETTE, Monroe, GA | Pass | State |
| 2018-09-26 | KIA GEORGIA, INC. | WEST POINT, Troup, GA | Pass | State |
| 2018-09-26 | PAR - REFINERY — high-priority violation on file | KAPOLEI, Honolulu, HI | Pass | State |
| 2018-09-26 | GRAIN PROCESSING CORP — high-priority violation on file | MUSCATINE, Muscatine, IA | Pass | State |
| 2018-09-26 | GRAETTINGER MUNICIPAL LIGHT PLANT — high-priority violation on file | GRAETTINGER, Palo Alto, IA | Pass | State |
| 2018-09-26 | USDA-NATIONAL ANIMAL DISEASE CENTER & NATIONAL VETERINARY SERVICE LABORATORY | AMES, Story, IA | Pass | State |
| 2018-09-26 | CHARTER MANUFACTURING CO INC | WOODSTOCK, McHenry, IL | Pass | State |
| 2018-09-26 | INDIANAPOLIS POWER & LIGHT COMPANY DBA AES INDIANA - HARDING — high-priority violation on file | INDIANAPOLIS, Marion, IN | Pass | State |
| 2018-09-26 | MCC MANUFACTURING INC | SCOTTSBURG, Scott, IN | Pass | State |
| 2018-09-26 | MCC MANUFACTURING INC | SCOTTSBURG, Scott, IN | Pass | State |
| 2018-09-26 | MILESTONE CONTRACTORS LP | LAFAYETTE, Tippecanoe, IN | Pass | State |
| 2018-09-26 | HOLLYFRONTIER EL DORADO REFINERY (AIR) | EL DORADO, Butler, KS | Pass | State |
| 2018-09-26 | CRRM REFINERY (AIR) | COFFEYVILLE, Montgomery, KS | Pass | State |
| 2018-09-26 | ANR PIPELINE CO (MADISONVILLE COMPRESSOR STA) | MADISONVILLE, Hopkins, KY | Pass | State |
| 2018-09-26 | DTE GAS COMPANY - MILFORD COMPRESSOR STATION | MILFORD, Oakland, MI | Pass | State |
| 2018-09-26 | GERDAU - SAINT PAUL MILL | SAINT PAUL, Ramsey, MN | Pass | State |
| 2018-09-26 | CHEVRON USA INC, CHEVRON PRODUCTS COMPANY, PASCAGOULA REFINERY | PASCAGOULA, Jackson, MS | Pass | State |
| 2018-09-26 | CHEVRON USA INC, CHEVRON PRODUCTS COMPANY, PASCAGOULA REFINERY | PASCAGOULA, Jackson, MS | Pass | State |
| 2018-09-26 | CHEVRON USA INC, CHEVRON PRODUCTS COMPANY, PASCAGOULA REFINERY | PASCAGOULA, Jackson, MS | Pass | State |
| 2018-09-26 | LEAF RIVER CELLULOSE LLC — high-priority violation on file | NEW AUGUSTA, Perry, MS | Pass | State |
| 2018-09-26 | LEAF RIVER CELLULOSE LLC — high-priority violation on file | NEW AUGUSTA, Perry, MS | Pass | State |
| 2018-09-26 | LEAF RIVER CELLULOSE LLC — high-priority violation on file | NEW AUGUSTA, Perry, MS | Pass | State |
| 2018-09-26 | TRANSCONTINENTAL GAS PIPE LINE COMPANY, LLC - STATION 160 | REIDSVILLE, Rockingham, NC | Pass | State |
| 2018-09-26 | HEIDELBERG MATERIALS US CEMENT LLC - GLENS FALLS PLANT | GLENS FALLS, Warren, NY | Pass | State |
| 2018-09-26 | OSWEGO CO ENERGY RECOVERY FAC | VOLNEY, Oswego, NY | Pass | State |
| 2018-09-26 | PCS NITROGEN OHIO, L.P. — high-priority violation on file | LIMA, Allen, OH | Pass | State |
| 2018-09-26 | HDMA - TRANSMISSION PLANT - OMD | RUSSELLS POINT, Logan, OH | Pass | State |
| 2018-09-26 | EQUITRANS MIDSTREAM COBRA COMPRESSOR STATION | SMITH, TOWNSHIP OF, Belmont, OH | Pass | State |
| 2018-09-26 | EQUITRANS MIDSTREAM COBRA COMPRESSOR STATION | SMITH, TOWNSHIP OF, Belmont, OH | Pass | State |
| 2018-09-26 | EQUITRANS MIDSTREAM COBRA COMPRESSOR STATION | SMITH, TOWNSHIP OF, Belmont, OH | Pass | State |
| 2018-09-26 | EQUITRANS MIDSTREAM COBRA COMPRESSOR STATION | SMITH, TOWNSHIP OF, Belmont, OH | Pass | State |
| 2018-09-26 | EQUITRANS MIDSTREAM COBRA COMPRESSOR STATION | SMITH, TOWNSHIP OF, Belmont, OH | Pass | State |
| 2018-09-26 | EQUITRANS MIDSTREAM COBRA COMPRESSOR STATION | SMITH, TOWNSHIP OF, Belmont, OH | Pass | State |
| 2018-09-26 | EQUITRANS MIDSTREAM COBRA COMPRESSOR STATION | SMITH, TOWNSHIP OF, Belmont, OH | Pass | State |
| 2018-09-26 | EQUITRANS MIDSTREAM COBRA COMPRESSOR STATION | SMITH, TOWNSHIP OF, Belmont, OH | Pass | State |
| 2018-09-26 | EQUITRANS MIDSTREAM COBRA COMPRESSOR STATION | SMITH, TOWNSHIP OF, Belmont, OH | Pass | State |
| 2018-09-26 | GENERAL JAMES M. GAVIN POWER PLANT | CHESHIRE, Gallia, OH | Pass | State |
| 2018-09-26 | THE MEDICAL CENTER COMPANY | CLEVELAND, Cuyahoga, OH | Pass | State |
| 2018-09-26 | CF1 (CUYAHOGA FALLS 1) | CUYAHOGA FALLS, Summit, OH | Pass | State |
| 2018-09-26 | CF1 (CUYAHOGA FALLS 1) | CUYAHOGA FALLS, Summit, OH | Pass | State |
| 2018-09-26 | PETROLINK ENERGY LLC / COPPERHEAD COMPRESSOR STATION | WATONGA, Blaine, OK | Pass | State |
| 2018-09-26 | PETROLINK ENERGY LLC / COPPERHEAD COMPRESSOR STATION | WATONGA, Blaine, OK | Pass | State |
| 2018-09-26 | TPL ARKOMA HOLDINGS LLC / COALGATE TUPELO STONEWALL GAS PLANT — high-priority violation on file | COALGATE, Coal, OK | Pass | State |
| 2018-09-26 | TPL ARKOMA HOLDINGS LLC / COALGATE TUPELO STONEWALL GAS PLANT — high-priority violation on file | COALGATE, Coal, OK | Pass | State |
| 2018-09-26 | FW MIDCON I LLC / BEECHER 1 11MH 1 14MH | KINGFISHER, Kingfisher, OK | Pass | State |
| 2018-09-26 | BLACKJACK OPERATING LLC / DRAIN NO 01 1HX WELLSITE | PURCELL, McClain, OK | Pass | State |
| 2018-09-26 | ET GATHERING PROCESSING LLC / CHEYENNE VALLEY COMPRESSOR STATION | ORIENTA, Major, OK | Pass | State |
| 2018-09-26 | DCP OPERATING CO LP / SHOLEM GAS PLANT | VELMA, Stephens, OK | Pass | State |
| 2018-09-26 | DCP OPERATING CO LP / SHOLEM GAS PLANT | VELMA, Stephens, OK | Pass | State |
| 2018-09-26 | SUSQUEHANNA GATHERING CO 1 LLC/CDP 3 | NEW MILFORD, Susquehanna, PA | Pass | State |
| 2018-09-26 | BLUESTONE PIPELINE CO/COMFORT LAKE COMP STA | HARMONY TWP, Susquehanna, PA | Pass | State |
| 2018-09-26 | SANTEE COOPER CROSS GENERATING STATION — high-priority violation on file | PINEVILLE, Berkeley, SC | Pass | State |
| 2018-09-26 | TESORO WEST COAST/FORMER BP AMOCO | SALT LAKE CITY, Salt Lake, UT | Pass | State |
| 2018-09-26 | UNITED STATES BAKERY DBA FRANZ FAMILY BAKERIES, INC | SEATTLE, King, WA | Fail | Local |
| 2018-09-26 | TRANSALTA CENTRALIA GENERATION, LLC — high-priority violation on file | CENTRALIA, Lewis, WA | Pass | Local |
| 2018-09-26 | GREEN BAY METRO SEWERAGE DIST | GREEN BAY, Brown, WI | Pass | State |
| 2018-09-26 | GREEN BAY METRO SEWERAGE DIST | GREEN BAY, Brown, WI | Pass | State |
| 2018-09-26 | KENDALL PACKAGING - JEFFERSON DIVISION | JEFFERSON, Jefferson, WI | Pass | State |
| 2018-09-26 | OPAL GAS PLANT (WILLIAMS FIELD SERVICES) | OPAL, Lincoln, WY | Pass | State |
| 2018-09-25 | COYOTE WASH COMPRESSOR STATION | VERNAL, Uintah, UT | Pass | U.S. EPA |
| 2018-09-25 | GOLDEN VALLEY ELECTRIC ASSOCIATION / HEALY POWER PLANT — high-priority violation on file | HEALY, Denali, AK | Pass | State |
| 2018-09-25 | GOLDEN VALLEY ELECTRIC ASSOCIATION / HEALY POWER PLANT — high-priority violation on file | HEALY, Denali, AK | Pass | State |
| 2018-09-25 | WEST FRASER HUGULEY | HUGULEY, Chambers, AL | Pass | State |
| 2018-09-25 | WEST FRASER HUGULEY | HUGULEY, Chambers, AL | Pass | State |
| 2018-09-25 | WARRIOR MET COAL GAS, LLC | NORTHPORT, Tuscaloosa, AL | Pass | State |
| 2018-09-25 | WARRIOR MET COAL GAS, LLC | NORTHPORT, Tuscaloosa, AL | Pass | State |
| 2018-09-25 | WARRIOR MET COAL GAS, LLC | NORTHPORT, Tuscaloosa, AL | Pass | State |
| 2018-09-25 | WARRIOR MET COAL GAS, LLC | NORTHPORT, Tuscaloosa, AL | Pass | State |
| 2018-09-25 | WARRIOR MET COAL GAS, LLC | NORTHPORT, Tuscaloosa, AL | Pass | State |
| 2018-09-25 | WARRIOR MET COAL GAS, LLC | NORTHPORT, Tuscaloosa, AL | Pass | State |
| 2018-09-25 | HALLIBURTON ENERGY SERVICES, INC. - MAGNET COVE | MALVERN, Hot Spring, AR | Pass | State |
| 2018-09-25 | HALLIBURTON ENERGY SERVICES, INC. - MAGNET COVE | MALVERN, Hot Spring, AR | Pass | State |
| 2018-09-25 | HALLIBURTON ENERGY SERVICES, INC. - MAGNET COVE | MALVERN, Hot Spring, AR | Pass | State |
| 2018-09-25 | HALLIBURTON ENERGY SERVICES, INC. - MAGNET COVE | MALVERN, Hot Spring, AR | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.