EPA Air · stack tests by year
Air-emissions stack tests in 2020
- 33,437Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit.
States, 2020
- California 15,352
- Ohio 2,194
- Florida 1,532
- Oklahoma 1,517
- Indiana 1,473
- Georgia 1,147
- New Mexico 846
- Pennsylvania 725
- Alabama 674
- Texas 617
- Missouri 607
- Arkansas 589
- Mississippi 438
- Colorado 429
- Washington 407
- Iowa 355
- North Carolina 274
- Wyoming 235
- Wisconsin 229
- Michigan 222
- South Carolina 221
- Montana 217
- Minnesota 213
- Delaware 211
- Kentucky 184
- West Virginia 175
- Utah 158
- Tennessee 149
- Kansas 144
- Nebraska 142
- Alaska 141
- Maine 136
- Nevada 134
- Virginia 132
- Illinois 129
- North Dakota 129
- New Jersey 122
- Connecticut 110
- Arizona 97
- New York 93
- Hawaii 84
- Louisiana 83
- Idaho 81
- New Hampshire 72
- Maryland 46
- South Dakota 46
- Oregon 39
- Rhode Island 30
- District of Columbia 30
- Vermont 17
- Massachusetts 7
- Puerto Rico 3
Other years
Air-emissions stack tests recorded in 2020
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2020-12-16 | TENNESSEE VALLEY AUTHORITY (TVA) - SHAWNEE FOSSIL PLANT | WEST PADUCAH, McCracken, KY | Pass | State |
| 2020-12-16 | ND OTM LLC | OLD TOWN, Penobscot, ME | Pass | State |
| 2020-12-16 | CONSUMERS ENERGY - ST. CLAIR COMPRESSOR STATION | IRA, St. Clair, MI | Pass | State |
| 2020-12-16 | LHOIST NORTH AMERICA | SAINTE GENEVIEVE, Ste. Genevieve, MO | Pending | State |
| 2020-12-16 | KENTUCKY TENNESSEE CLAY COMPANY, SLEDGE | CRENSHAW, Quitman, MS | Pass | State |
| 2020-12-16 | KENTUCKY TENNESSEE CLAY COMPANY, SLEDGE | CRENSHAW, Quitman, MS | Pass | State |
| 2020-12-16 | MDU - LEWIS & CLARK STATION | SIDNEY, Richland, MT | Pass | State |
| 2020-12-16 | USCG BASE SUPPORT UNIT ELIZABETH CITY | ELIZABETH CITY, Pasquotank, NC | Pass | State |
| 2020-12-16 | WBI ENERGY TRANSMISSION, INC. - GLEN ULLIN COMPRESSOR STATION - AQ | GLEN ULLIN, Morton, ND | Pass | State |
| 2020-12-16 | CAPE MAY CNTY MUA SECURE SLF | WOODBINE, Cape May, NJ | Pass | U.S. EPA |
| 2020-12-16 | JAL NO. 4 COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2020-12-16 | JAL NO. 4 COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2020-12-16 | CHACO GAS PLANT | BLOOMFIELD, San Juan, NM | Pass | State |
| 2020-12-16 | CHACO GAS PLANT | BLOOMFIELD, San Juan, NM | Pass | State |
| 2020-12-16 | CHACO GAS PLANT | BLOOMFIELD, San Juan, NM | Pass | State |
| 2020-12-16 | SOLID WASTE MANAGEMENT FACILITY | RODMAN, Jefferson, NY | Pass | U.S. EPA |
| 2020-12-16 | CORIX CLEVELAND THERMAL GENERATING LP | CLEVELAND, Cuyahoga, OH | Pass | State |
| 2020-12-16 | ONEOK FIELD SERVICES CO LLC / CEDAR LAKE COMPRESSOR STATION | CALUMET, Canadian, OK | Pass | State |
| 2020-12-16 | VALIDUS ENERGY II MIDCON LLC / GENE CARROLL CTB | TUTTLE, Grady, OK | Pass | State |
| 2020-12-16 | STIMSON LUMBER COMPANY — high-priority violation on file | GASTON, Washington, OR | Pass | State |
| 2020-12-16 | BKV OPR LLC/P & G WAREHOUSE PAD | MESHOPPEN, Wyoming, PA | Pass | State |
| 2020-12-16 | RHODE ISLAND BIOENERGY FACILITY, LLC | JOHNSTON, Providence, RI | Fail | State |
| 2020-12-16 | US NAVY - NSA HAMPTON ROADS HQ | NORFOLK, Norfolk (city), VA | Pass | State |
| 2020-12-16 | SGL COMPOSITES LLC | MOSES LAKE, Grant, WA | Pass | State |
| 2020-12-16 | PACIFIC CREST INDUSTRIES, INC. DBA BELLMONT CABINETS COMPANY | SUMNER, Pierce, WA | Pass | Local |
| 2020-12-16 | PACIFIC CREST INDUSTRIES, INC. DBA BELLMONT CABINETS COMPANY | SUMNER, Pierce, WA | Fail | Local |
| 2020-12-16 | GREEN BAY METRO SEWERAGE DIST | GREEN BAY, Brown, WI | Pass | State |
| 2020-12-16 | GREEN BAY PACKAGING INC - GB MILL DIV | GREEN BAY, Brown, WI | Pass | State |
| 2020-12-15 | CRESTWOOD STATION 2 | NORTH DAKOTA, Undetermined, ND | Pass | U.S. EPA |
| 2020-12-15 | CHEROKEE NITROGEN LLC | CHEROKEE, Colbert, AL | Pass | State |
| 2020-12-15 | JOHNS MANVILLE INC. | PHENIX CITY, Russell, AL | Pass | State |
| 2020-12-15 | JOHNS MANVILLE INC. | PHENIX CITY, Russell, AL | Pass | State |
| 2020-12-15 | QUIKRETE CONSTRUCTION MATERIALS, LLC — high-priority violation on file | CALERA, Shelby, AL | Pass | State |
| 2020-12-15 | CONTAINER LIFE CYCLE MANAGEMENT, LLC | ARKADELPHIA, Clark, AR | Pass | State |
| 2020-12-15 | MISSION CREEK OPCO, LLC - DORCHEAT GAS PLANT | MAGNOLIA, Columbia, AR | Pass | State |
| 2020-12-15 | DESOTO GATHERING COMPANY LLC - SOUTH BROWNIE CPF 2 | HATTIEVILLE, Conway, AR | Pass | State |
| 2020-12-15 | DESOTO GATHERING COMPANY, LLC - STURGEON CPF-3 | CENTER RIDGE, Conway, AR | Pass | State |
| 2020-12-15 | APS WEST PHX POWER PLANT | MARICOPA COUNTY, Maricopa, AZ | Pass | Local |
| 2020-12-15 | MITSUBISHI CHEMICAL CARBON FIBER AND COMPOSITES — high-priority violation on file | SACRAMENTO, Sacramento, CA | Pass | Local |
| 2020-12-15 | AES ALAMITOS STATION, LLC | LONG BEACH, Los Angeles, CA | Pass | Local |
| 2020-12-15 | LUNDAY-THAGARD CO DBA WORLD OIL REFINING — high-priority violation on file | SOUTH GATE, Los Angeles, CA | Pending | Local |
| 2020-12-15 | AIR PRODUCTS AND CHEMICALS INC | WILMINGTON, Los Angeles, CA | Pass | Local |
| 2020-12-15 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | MT POSO COGEN-PYRO PACIFIC CO. — 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.
What this page shows
This page covers Clean Air Act facilities in the EPA air register with stack tests in 2020. It lists 33,437 stack tests recorded nationwide in 2020.