EPA Air · stack tests by year
Air-emissions stack tests in 2022
- 29,136Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit.
States, 2022
- California 10,813
- Ohio 2,355
- Indiana 1,925
- Florida 1,564
- Oklahoma 1,350
- Georgia 1,096
- New Mexico 981
- Pennsylvania 830
- Alabama 630
- Mississippi 577
- Arkansas 562
- Colorado 460
- Iowa 434
- Missouri 359
- Texas 288
- Michigan 288
- Wisconsin 262
- Washington 260
- North Carolina 252
- Kentucky 245
- Wyoming 241
- Minnesota 236
- South Carolina 228
- West Virginia 210
- Delaware 209
- Utah 162
- Montana 155
- Nebraska 143
- Nevada 137
- Illinois 136
- Tennessee 134
- Louisiana 131
- Alaska 131
- Virginia 126
- Maine 116
- Connecticut 115
- Arizona 114
- New York 113
- North Dakota 110
- New Jersey 104
- Idaho 99
- Hawaii 69
- District of Columbia 60
- South Dakota 55
- Maryland 52
- Oregon 49
- New Hampshire 48
- Puerto Rico 39
- Kansas 37
- Rhode Island 23
- Massachusetts 19
- Vermont 4
Other years
Air-emissions stack tests recorded in 2022
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2022-09-12 | GULFPORT MIDCON LLC / EJ CRADDOCK B | ALEX, Grady, OK | Pass | State |
| 2022-09-12 | MARKWEST OKLAHOMA GAS CO LLC / SHERMAN ELLIS COMPRESSOR STATION | HAYWOOD, Pittsburg, OK | Pass | State |
| 2022-09-12 | SCHUYLKILL ENERGY RES/ST NICHOLAS COGEN — high-priority violation on file | SHENANDOAH, Schuylkill, PA | Pass | State |
| 2022-09-12 | REGENCY MARCELLUS GAS GATHERING LLC/BOBST MOUNTAIN COMP STA | COGAN STA, Lycoming, PA | Pass | State |
| 2022-09-12 | PORT ARTHUR REFINERY — high-priority violation on file | PORT ARTHUR, Jefferson, TX | Pass | State |
| 2022-09-12 | LION ELASTOMERS — high-priority violation on file | PORT NECHES, Jefferson, TX | Pass | State |
| 2022-09-12 | USG PAPER ORANGE MILL — high-priority violation on file | ORANGE, Orange, TX | Pass | State |
| 2022-09-12 | USG PAPER ORANGE MILL — high-priority violation on file | ORANGE, Orange, TX | Pass | State |
| 2022-09-12 | SABINE PLANT | ORANGE, Orange, TX | Pass | State |
| 2022-09-12 | SABINE PLANT | ORANGE, Orange, TX | Pass | State |
| 2022-09-12 | AMERICAN BITUMINOUS POWER PARTNERS, L. P., GRANT | GRANT TOWN, Marion, WV | Pass | State |
| 2022-09-12 | HOUSE CREEK MAINLINE COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2022-09-11 | MIDDLETOWN POWER LLC | MIDDLETOWN, Middlesex, CT | Pass | State |
| 2022-09-10 | SWANSON GROUP MFG., LLC | SPRINGFIELD, Lane, OR | Pending | Local |
| 2022-09-09 | ARCOSA LW BR, LLC | LIVINGSTON, Sumter, AL | Pass | State |
| 2022-09-09 | CUSTOM WOOD RECYCLING, INC | DANVILLE, Yell, AR | Pass | State |
| 2022-09-09 | NORTHWEST REGIONAL LANDFILL | MARICOPA COUNTY, Maricopa, AZ | Pending | Local |
| 2022-09-09 | NATIONAL CEMENT CO | LEBEC, Kern, CA | Pass | Local |
| 2022-09-09 | NATIONAL CEMENT CO | LEBEC, Kern, CA | Pass | Local |
| 2022-09-09 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2022-09-09 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2022-09-09 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2022-09-09 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2022-09-09 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2022-09-09 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2022-09-09 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2022-09-09 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2022-09-09 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2022-09-09 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2022-09-09 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2022-09-09 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2022-09-09 | WALNUT ENERGY CENTER AUTHORITY | TURLOCK, Stanislaus, CA | Pass | Local |
| 2022-09-09 | WALNUT ENERGY CENTER AUTHORITY | TURLOCK, Stanislaus, CA | Pass | Local |
| 2022-09-09 | WALNUT ENERGY CENTER AUTHORITY | TURLOCK, Stanislaus, CA | Pass | Local |
| 2022-09-09 | WALNUT ENERGY CENTER AUTHORITY | TURLOCK, Stanislaus, CA | Pass | Local |
| 2022-09-09 | WALNUT ENERGY CENTER AUTHORITY | TURLOCK, Stanislaus, CA | Pass | Local |
| 2022-09-09 | WALNUT ENERGY CENTER AUTHORITY | TURLOCK, Stanislaus, CA | Pass | Local |
| 2022-09-09 | WALNUT ENERGY CENTER AUTHORITY | TURLOCK, Stanislaus, CA | Pass | Local |
| 2022-09-09 | WALNUT ENERGY CENTER AUTHORITY | TURLOCK, Stanislaus, CA | Pass | Local |
| 2022-09-09 | WALNUT ENERGY CENTER AUTHORITY | TURLOCK, Stanislaus, CA | Pass | Local |
| 2022-09-09 | WALNUT ENERGY CENTER AUTHORITY | TURLOCK, Stanislaus, CA | Pass | Local |
| 2022-09-09 | WALNUT ENERGY CENTER AUTHORITY | TURLOCK, Stanislaus, CA | Pass | Local |
| 2022-09-09 | WALNUT ENERGY CENTER AUTHORITY | TURLOCK, Stanislaus, CA | Pass | Local |
| 2022-09-09 | WALNUT ENERGY CENTER AUTHORITY | TURLOCK, Stanislaus, CA | Pass | Local |
| 2022-09-09 | WALNUT ENERGY CENTER AUTHORITY | TURLOCK, Stanislaus, CA | Pass | Local |
| 2022-09-09 | WALNUT ENERGY CENTER AUTHORITY | TURLOCK, Stanislaus, CA | Pass | Local |
| 2022-09-09 | WALNUT ENERGY CENTER AUTHORITY | TURLOCK, Stanislaus, CA | Pass | Local |
| 2022-09-09 | WALNUT ENERGY CENTER AUTHORITY | TURLOCK, Stanislaus, CA | Pass | Local |
| 2022-09-09 | COLORS & EFFECTS USA LLC - NEWPORT | WILMINGTON, New Castle, DE | Pass | State |
| 2022-09-09 | COLORS & EFFECTS USA LLC - NEWPORT | WILMINGTON, New Castle, DE | Pass | State |
| 2022-09-09 | COLORS & EFFECTS USA LLC - NEWPORT | WILMINGTON, New Castle, DE | Pass | State |
| 2022-09-09 | COLORS & EFFECTS USA LLC - NEWPORT | WILMINGTON, New Castle, DE | Pass | State |
| 2022-09-09 | TAMPA ELECTRIC COMPANY | TAMPA, Hillsborough, FL | Pass | State |
| 2022-09-09 | INTERNATIONAL PAPER COMPANY - ROME MILL | ROME, Floyd, GA | Pass | State |
| 2022-09-09 | INTERNATIONAL PAPER COMPANY - ROME MILL | ROME, Floyd, GA | Pass | State |
| 2022-09-09 | INTERNATIONAL PAPER COMPANY - ROME MILL | ROME, Floyd, GA | Pass | State |
| 2022-09-09 | INTERNATIONAL PAPER COMPANY - ROME MILL | ROME, Floyd, GA | Pass | State |
| 2022-09-09 | INTERNATIONAL PAPER COMPANY - ROME MILL | ROME, Floyd, GA | Pass | State |
| 2022-09-09 | CEMEX SOUTHEAST, LLC | CLINCHFIELD, Houston, GA | Pass | State |
| 2022-09-09 | CEMEX SOUTHEAST, LLC | CLINCHFIELD, Houston, GA | Pass | State |
| 2022-09-09 | HELCO - KEAHOLE — high-priority violation on file | KAILUA KONA, Hawaii, HI | Pass | State |
| 2022-09-09 | HELCO - OULI | SOUTH KOHALA, Hawaii, HI | Pass | State |
| 2022-09-09 | HECO - KAHE | KAPOLEI, Honolulu, HI | Pass | State |
| 2022-09-09 | MID AMERICAN ENERGY CO-SALIX — high-priority violation on file | SALIX, Woodbury, IA | Pass | State |
| 2022-09-09 | LANSING BOARD OF WATER & LIGHT - ERICKSON STATION | LANSING, Eaton, MI | Pass | State |
| 2022-09-09 | INTERNATIONAL BROADCASTING BUREAU - TRANSMITTER SITE B | GRIMESLAND, Pitt, NC | Pass | State |
| 2022-09-09 | CALPINE NEW JERSEY GENERATION (FORMERLY: CONECTIV ATL GEN, LLC) | MILLVILLE, Cumberland, NJ | Pass | State |
| 2022-09-09 | GRANITE CONSTRUCTION- ASPHALT | SPARKS, Washoe, NV | Fail | Local |
| 2022-09-09 | BCE MACH III MIDSTREAM HOLDINGS LLC / ELMORE CITY GAS PLANT — high-priority violation on file | ELMORE CITY, Garvin, OK | Pass | State |
| 2022-09-09 | ET GATHERING PROCESSING LLC / NINNEKAH COMPRESSOR STATION | NINNEKAH, Grady, OK | Pass | State |
| 2022-09-09 | SUPERIOR MIDSTREAM LLC / CARNEY NE COMPRESSOR STATION | CARNEY, Lincoln, OK | Pass | State |
| 2022-09-09 | DCP OPERATING CO LP / CROSSROADS COMPRESSOR STATION | MARLOW, Stephens, OK | Pass | State |
| 2022-09-09 | THALES DIS USA INC / MONTGOMERYVILLE | MONTGOMERYVILLE, Montgomery, PA | Fail | State |
| 2022-09-09 | PA GEN ENERGY CO LLC/TRACT 729 COMPRESSOR STATION | WATERVILLE, Lycoming, PA | Pass | State |
| 2022-09-09 | ALLEGHENY ENERGY SUPPLY/SPRINGDALE | PITTSBURGH, Allegheny, PA | Pass | Local |
| 2022-09-09 | BI-COUNTY GAS PRODUCERS, LLC | WOODLAWN, Montgomery, TN | Pass | State |
| 2022-09-09 | CHEMTRADE SOLUTIONS LLC | ANACORTES, Skagit, WA | Pass | Local |
| 2022-09-09 | PUGET SOUND ENERGY - ENCOGEN | BELLINGHAM, Whatcom, WA | Pass | Local |
| 2022-09-09 | COLUMBIA GAS TRANSMISSION, LLC, CLEVELAND | KANAWHA HEAD, Upshur, WV | Pass | State |
| 2022-09-09 | AOC MATERIALS, LLC, NEAL PLANT | KENOVA, Wayne, WV | Pass | State |
| 2022-09-09 | LARAMIE RIVER STATION (BASIN ELECTRIC POWER COOPERATIVE) — high-priority violation on file | WHEATLAND, Platte, WY | Pass | State |
| 2022-09-08 | GOLDEN VALLEY ELECTRIC ASSOCIATION / NORTH POLE POWER PLANT | FAIRBANKS, Fairbanks North Star, AK | Pass | State |
| 2022-09-08 | GOLDEN VALLEY ELECTRIC ASSOCIATION / NORTH POLE POWER PLANT | FAIRBANKS, Fairbanks North Star, AK | Pass | State |
| 2022-09-08 | KNAUF INSULATION | LANETT, Chambers, AL | Pass | State |
| 2022-09-08 | KNAUF INSULATION | LANETT, Chambers, AL | Pass | State |
| 2022-09-08 | KNAUF INSULATION | LANETT, Chambers, AL | Pass | State |
| 2022-09-08 | APAC CENTRAL INC.-MOUNTAIN HOME MATERIALS | MOUNTAIN HOME, Baxter, AR | Pass | State |
| 2022-09-08 | VALENCIA POWER PLANT | NOGALES, Santa Cruz, AZ | Pass | State |
| 2022-09-08 | PASADENA CITY, DWP (EIS USE) | PASADENA, Los Angeles, CA | Pass | Local |
| 2022-09-08 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Fail | Local |
| 2022-09-08 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Fail | Local |
| 2022-09-08 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2022-09-08 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2022-09-08 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2022-09-08 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2022-09-08 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2022-09-08 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2022-09-08 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2022-09-08 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2022-09-08 | CHEVRON USA_(FORMERLY MIDWAY SUNSET 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.