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 |
|---|---|---|---|---|
| 2019-09-24 | CUNNINGHAM STATION POWER PLANT | HOBBS, Lea, NM | Pass | State |
| 2019-09-24 | SALADO DRAW COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2019-09-24 | SALADO DRAW COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2019-09-24 | KOKOSING MATERIALS, INC. - PLANT 503 | LORAIN, Lorain, OH | Pass | State |
| 2019-09-24 | ENBRIDGE - SUMMERFIELD COMPRESSOR STATION | CALDWELL, Noble, OH | Pass | State |
| 2019-09-24 | ENBRIDGE - SUMMERFIELD COMPRESSOR STATION | CALDWELL, Noble, OH | Pass | State |
| 2019-09-24 | ENBRIDGE - SUMMERFIELD COMPRESSOR STATION | CALDWELL, Noble, OH | Pass | State |
| 2019-09-24 | INR MIDSTREAM, LLC - CRUM COMPRESSOR STATION | SENECA, TOWNSHIP OF, Noble, OH | Pass | State |
| 2019-09-24 | INR MIDSTREAM, LLC - CRUM COMPRESSOR STATION | SENECA, TOWNSHIP OF, Noble, OH | Pass | State |
| 2019-09-24 | INR MIDSTREAM, LLC - CRUM COMPRESSOR STATION | SENECA, TOWNSHIP OF, Noble, OH | Pass | State |
| 2019-09-24 | INR MIDSTREAM, LLC - CRUM COMPRESSOR STATION | SENECA, TOWNSHIP OF, Noble, OH | Pass | State |
| 2019-09-24 | INR MIDSTREAM, LLC - CRUM COMPRESSOR STATION | SENECA, TOWNSHIP OF, Noble, OH | Pass | State |
| 2019-09-24 | INR MIDSTREAM, LLC - CRUM COMPRESSOR STATION | SENECA, TOWNSHIP OF, Noble, OH | Pass | State |
| 2019-09-24 | INR MIDSTREAM, LLC - CRUM COMPRESSOR STATION | SENECA, TOWNSHIP OF, Noble, OH | Pass | State |
| 2019-09-24 | INR MIDSTREAM, LLC - CRUM COMPRESSOR STATION | SENECA, TOWNSHIP OF, Noble, OH | Pass | State |
| 2019-09-24 | INR MIDSTREAM, LLC - CRUM COMPRESSOR STATION | SENECA, TOWNSHIP OF, Noble, OH | Pass | State |
| 2019-09-24 | INR MIDSTREAM, LLC - CRUM COMPRESSOR STATION | SENECA, TOWNSHIP OF, Noble, OH | Pass | State |
| 2019-09-24 | INR MIDSTREAM, LLC - CRUM COMPRESSOR STATION | SENECA, TOWNSHIP OF, Noble, OH | Pass | State |
| 2019-09-24 | INR MIDSTREAM, LLC - CRUM COMPRESSOR STATION | SENECA, TOWNSHIP OF, Noble, OH | Pass | State |
| 2019-09-24 | INR MIDSTREAM, LLC - CRUM COMPRESSOR STATION | SENECA, TOWNSHIP OF, Noble, OH | Pass | State |
| 2019-09-24 | INR MIDSTREAM, LLC - CRUM COMPRESSOR STATION | SENECA, TOWNSHIP OF, Noble, OH | Pass | State |
| 2019-09-24 | INR MIDSTREAM, LLC - CRUM COMPRESSOR STATION | SENECA, TOWNSHIP OF, Noble, OH | Pass | State |
| 2019-09-24 | INR MIDSTREAM, LLC - CRUM COMPRESSOR STATION | SENECA, TOWNSHIP OF, Noble, OH | Pass | State |
| 2019-09-24 | INR MIDSTREAM, LLC - CRUM COMPRESSOR STATION | SENECA, TOWNSHIP OF, Noble, OH | Pass | State |
| 2019-09-24 | INR MIDSTREAM, LLC - CRUM COMPRESSOR STATION | SENECA, TOWNSHIP OF, Noble, OH | Pass | State |
| 2019-09-24 | INR MIDSTREAM, LLC - CRUM COMPRESSOR STATION | SENECA, TOWNSHIP OF, Noble, OH | Pass | State |
| 2019-09-24 | INR MIDSTREAM, LLC - CRUM COMPRESSOR STATION | SENECA, TOWNSHIP OF, Noble, OH | Pass | State |
| 2019-09-24 | INR MIDSTREAM, LLC - CRUM COMPRESSOR STATION | SENECA, TOWNSHIP OF, Noble, OH | Pass | State |
| 2019-09-24 | OHIO SANDS, LLC | BEAVER, Pike, OH | Pass | State |
| 2019-09-24 | OHIO SANDS, LLC | BEAVER, Pike, OH | Pass | State |
| 2019-09-24 | THE MEDICAL CENTER COMPANY | CLEVELAND, Cuyahoga, OH | Pass | State |
| 2019-09-24 | DUKE ENERGY KENTUCKY, WOODSDALE GENERATING STATION | TRENTON, Butler, OH | Pass | State |
| 2019-09-24 | DUKE ENERGY KENTUCKY, WOODSDALE GENERATING STATION | TRENTON, Butler, OH | Pass | State |
| 2019-09-24 | DUKE ENERGY KENTUCKY, WOODSDALE GENERATING STATION | TRENTON, Butler, OH | Pass | State |
| 2019-09-24 | MASSILLON ASPHALT COMPANY | MASSILLON, Stark, OH | Pass | State |
| 2019-09-24 | MASSILLON ASPHALT COMPANY | MASSILLON, Stark, OH | Pass | State |
| 2019-09-24 | MASSILLON ASPHALT COMPANY | MASSILLON, Stark, OH | Fail | State |
| 2019-09-24 | MASSILLON ASPHALT COMPANY | MASSILLON, Stark, OH | Pass | State |
| 2019-09-24 | MASSILLON ASPHALT COMPANY | MASSILLON, Stark, OH | Fail | State |
| 2019-09-24 | MASSILLON ASPHALT COMPANY | MASSILLON, Stark, OH | Pass | State |
| 2019-09-24 | WESTERN FARMERS ELECTRIC COOPERATIVE / WESTERN FARMERS ANADARKO PLANT | ANADARKO, Caddo, OK | Pass | State |
| 2019-09-24 | PUBLIC SERVICE COMPANY OF OKLAHOMA / PSO SOUTHWESTERN POWER STATION | ANADARKO, Caddo, OK | Pass | State |
| 2019-09-24 | TPL ARKOMA HOLDINGS LLC / COALGATE TUPELO STONEWALL GAS PLANT — high-priority violation on file | COALGATE, Coal, OK | Pass | State |
| 2019-09-24 | TPL ARKOMA HOLDINGS LLC / COALGATE TUPELO STONEWALL GAS PLANT — high-priority violation on file | COALGATE, Coal, OK | Pass | State |
| 2019-09-24 | TPL ARKOMA HOLDINGS LLC / COALGATE TUPELO STONEWALL GAS PLANT — high-priority violation on file | COALGATE, Coal, OK | Pass | State |
| 2019-09-24 | TPL ARKOMA HOLDINGS LLC / COALGATE TUPELO STONEWALL GAS PLANT — high-priority violation on file | COALGATE, Coal, OK | Pass | State |
| 2019-09-24 | ONEOK FIELD SERVICES CO LLC / ANTIOCH BOOSTER STATION | ANTIOCH, Garvin, OK | Pass | State |
| 2019-09-24 | ONEOK FIELD SERVICES CO LLC / ANTIOCH BOOSTER STATION | ANTIOCH, Garvin, OK | Pass | State |
| 2019-09-24 | ET GATHERING PROCESSING LLC / LANG COMPRESSOR STATION | PURDY, Garvin, OK | Pass | State |
| 2019-09-24 | ET GATHERING PROCESSING LLC / MURRAY COMPRESSOR STATION | PURDY, Garvin, OK | Pass | State |
| 2019-09-24 | ET GATHERING PROCESSING LLC / MURRAY COMPRESSOR STATION | PURDY, Garvin, OK | Pass | State |
| 2019-09-24 | DEVON ENERGY PRODUCTION CO LP / LONG NECK CPF | OMEGA, Kingfisher, OK | Pass | State |
| 2019-09-24 | PONDEROSA GATHERING LLC / PONDEROSA COMPRESSOR STATION 1 | QUINTON, Pittsburg, OK | Pass | State |
| 2019-09-24 | WASTE MANAGEMENT DISPOSAL SERVICES OF OREGON, INC. | ARLINGTON, Gilliam, OR | Pass | State |
| 2019-09-24 | WASTE MANAGEMENT DISPOSAL SERVICES OF OREGON, INC. | ARLINGTON, Gilliam, OR | Pass | State |
| 2019-09-24 | EASTERN GAS TRANS & STORAGE INC/ARDELL COMP STA/ELK | WEEDVILLE, Elk, PA | Pass | State |
| 2019-09-24 | CLARION BOARDS/CLARION PLT | SHIPPENVILLE, Clarion, PA | Pass | State |
| 2019-09-24 | LIGNETICS OF NEW ENGLAND/YOUNGSVILLE | YOUNGSVILLE, Warren, PA | Fail | State |
| 2019-09-24 | APPALACHIA MIDSTREAM SVC LLC/GRANVILLE STA 2 | GRANVILLE SUMMIT, Bradford, PA | Pass | State |
| 2019-09-24 | CENTURY ALUMINUM OF SOUTH CAROLINA INC — high-priority violation on file | GOOSE CREEK, Berkeley, SC | Fail | State |
| 2019-09-24 | WESTROCK CP, LLC - FLORENCE MILL | FLORENCE, Florence, SC | Pass | State |
| 2019-09-24 | AMRIZE CEMENT INC. - HOLLY HILL PLANT | HOLLY HILL, Orangeburg, SC | Pass | State |
| 2019-09-24 | ARMOLOY SOUTHEAST INC | SUMTER, Sumter, SC | Pass | State |
| 2019-09-24 | PALMETTO CORPORATION CONWAY PLANT | CONWAY, Horry, SC | Pass | State |
| 2019-09-24 | STABILIT AMERICA, INC. — high-priority violation on file | MOSCOW, Fayette, TN | Pass | State |
| 2019-09-24 | VALERO PARTNERS MEMPHIS, LLC-MEMPHIS TRUCK RACK | MEMPHIS, Shelby, TN | Pass | Local |
| 2019-09-24 | WILLIAMSON COUNTY RECYCLING AND DISPOSAL FACILITY | HUTTO, Williamson, TX | N/A | State |
| 2019-09-24 | HF SINCLAIR WOODS CROSS REFINERY (FORMERLY HOLLY) | WOODS CROSS, Davis, UT | Pass | State |
| 2019-09-24 | GLOBALFOUNDRIES US 2 LLC | ESSEX, Chittenden, VT | Pass | State |
| 2019-09-24 | SGL COMPOSITES LLC | MOSES LAKE, Grant, WA | Pass | State |
| 2019-09-24 | SGL COMPOSITES LLC | MOSES LAKE, Grant, WA | Pass | State |
| 2019-09-24 | NORTHWEST PIPELINE LLC- MOUNT VERNON | MOUNT VERNON, Skagit, WA | Pass | Local |
| 2019-09-24 | NORTHWEST PIPELINE LLC- MOUNT VERNON | MOUNT VERNON, Skagit, WA | Pass | Local |
| 2019-09-24 | ASSOCIATED MILK PRODUCERS INC (AMPI) - JIM FALLS | JIM FALLS, Chippewa, WI | Pass | State |
| 2019-09-24 | HYDRITE CHEMICAL CO. — high-priority violation on file | COTTAGE GROVE, Dane, WI | Pass | State |
| 2019-09-24 | AZTALAN BIO | JOHNSON CREEK, Jefferson, WI | Pass | State |
| 2019-09-24 | APOGEE WAUSAU GROUP INC LINETEC DIVISION — high-priority violation on file | WAUSAU, Marathon, WI | Pass | State |
| 2019-09-24 | JONATHON LIME PLANT & LIME KILN DUST LANDFILL (PETE LIEN & SONS INC) | ALBANY COUNTY, Albany, WY | Pass | State |
| 2019-09-24 | JONATHON LIME PLANT & LIME KILN DUST LANDFILL (PETE LIEN & SONS INC) | ALBANY COUNTY, Albany, WY | Pass | State |
| 2019-09-24 | JONATHON LIME PLANT & LIME KILN DUST LANDFILL (PETE LIEN & SONS INC) | ALBANY COUNTY, Albany, WY | Fail | State |
| 2019-09-24 | FLETCHER/TERHUNE (POWDER RIVER MIDSTREAM, LLC) | JOHNSON COUNTY, Johnson, WY | Pass | State |
| 2019-09-24 | FLETCHER/TERHUNE (POWDER RIVER MIDSTREAM, LLC) | JOHNSON COUNTY, Johnson, WY | Pass | State |
| 2019-09-24 | BIG ISLAND MINE & REFINERY (SISECAM WYOMING LLC) — high-priority violation on file | SWEETWATER COUNTY, Sweetwater, WY | Pass | State |
| 2019-09-23 | DESOTO GATHEIRNG COMPANY, LLC - GRAVEL HILL CPF-2 | CLEVELAND (HISTORICAL), TOWNSHIP OF, Van Buren, AR | Pass | State |
| 2019-09-23 | NOVO BIOPOWER, LLC | SNOWFLAKE, Navajo, AZ | Pass | State |
| 2019-09-23 | ALUDYNE COLUMBUS LLC | COLUMBUS, Muscogee, GA | Pass | State |
| 2019-09-23 | ALUDYNE COLUMBUS LLC | COLUMBUS, Muscogee, GA | Pass | State |
| 2019-09-23 | IACX ENERGY - OTIS STATION (DEHYS)(AIR) | OTIS, Rush, KS | Pass | State |
| 2019-09-23 | HOPKINS CO REGIONAL LANDFILL - BITUMINOUS RESOURCES INC | WHITE PLAINS, Hopkins, KY | Pass | State |
| 2019-09-23 | LITTLE BLUE VALLEY SEWER DISTRICT - ATHERTON WASTEWATER TREATMENT PLANT | INDEPENDENCE, Jackson, MO | Pending | State |
| 2019-09-23 | LITTLE BLUE VALLEY SEWER DISTRICT - ATHERTON WASTEWATER TREATMENT PLANT | INDEPENDENCE, Jackson, MO | Pending | State |
| 2019-09-23 | LITTLE BLUE VALLEY SEWER DISTRICT - ATHERTON WASTEWATER TREATMENT PLANT | INDEPENDENCE, Jackson, MO | Pending | State |
| 2019-09-23 | CANTON MUNICIPAL UTILITIES — high-priority violation on file | CANTON, Madison, MS | Pass | State |
| 2019-09-23 | CANTON MUNICIPAL UTILITIES — high-priority violation on file | CANTON, Madison, MS | Pass | State |
| 2019-09-23 | CANTON MUNICIPAL UTILITIES — high-priority violation on file | CANTON, Madison, MS | Pass | State |
| 2019-09-23 | CANTON MUNICIPAL UTILITIES — high-priority violation on file | CANTON, Madison, MS | Pass | State |
| 2019-09-23 | UNIVERSITY OF NEW HAMPSHIRE | DURHAM, Strafford, NH | Pass | State |
| 2019-09-23 | SALADO DRAW COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2019-09-23 | SALADO DRAW COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2019-09-23 | SALADO DRAW COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.