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 |
|---|---|---|---|---|
| 2019-10-08 | RED BLUFF NO1 COMPRESSOR STATION | ROSWELL, Chaves, NM | Pass | State |
| 2019-10-08 | RED BLUFF NO3 COMPRESSOR STATION | ROSWELL, Chaves, NM | Pass | State |
| 2019-10-08 | ANHEUSER BUSCH BALDWINSVILLE BREWERY | BALDWINSVILLE, Onondaga, NY | Pass | State |
| 2019-10-08 | NOX US LLC | FOSTORIA, Seneca, OH | Pass | State |
| 2019-10-08 | JOHNS MANVILLE / PLANT #01 - WTV1 | WATERVILLE, Lucas, OH | Pass | State |
| 2019-10-08 | JOHNS MANVILLE / PLANT #01 - WTV1 | WATERVILLE, Lucas, OH | Pass | State |
| 2019-10-08 | ET GATHERING PROCESSING LLC / DRY CREEK COMPRESSOR STATION | BURLINGTON, Alfalfa, OK | Pass | State |
| 2019-10-08 | ET GATHERING PROCESSING LLC / HATCHETT COMPRESSOR STATION | GREENFIELD, Blaine, OK | Pass | State |
| 2019-10-08 | ET GATHERING PROCESSING LLC / HATCHETT COMPRESSOR STATION | GREENFIELD, Blaine, OK | Pass | State |
| 2019-10-08 | MARKWEST OKLAHOMA GAS CO LLC / LOYAL COMPRESSOR STATION | LOYAL, Kingfisher, OK | Pass | State |
| 2019-10-08 | MARKWEST OKLAHOMA GAS CO LLC / DOROTHY COMPRESSOR STATION | KINGFISHER, Kingfisher, OK | Pass | State |
| 2019-10-08 | MARKWEST OKLAHOMA GAS CO LLC / DOROTHY COMPRESSOR STATION | KINGFISHER, Kingfisher, OK | Pass | State |
| 2019-10-08 | MARKWEST OKLAHOMA GAS CO LLC / DOROTHY COMPRESSOR STATION | KINGFISHER, Kingfisher, OK | Pass | State |
| 2019-10-08 | EOG RESOURCES INC / STURGELL 1720 5H | BLANCHARD, McClain, OK | Pass | State |
| 2019-10-08 | EOG RESOURCES INC / STURGELL 1720 5H | BLANCHARD, McClain, OK | Pass | State |
| 2019-10-08 | ASH GROVE CEMENT COMPANY | DURKEE, Baker, OR | Pass | State |
| 2019-10-08 | LAUREL MTN MIDSTREAM OPR LLC/SPRINGHILL COMP STA | LAKE LYNN, Fayette, PA | Pass | State |
| 2019-10-08 | NATL FUEL SUPPLY CORP/BUFFALO COMP STA | WASHINGTON, Washington, PA | Pass | State |
| 2019-10-08 | EQM GATHERING OPCO LLC/TEN MILE COMP STA | WAYNESBURG, Greene, PA | Pass | State |
| 2019-10-08 | INTERNATIONAL PAPER - GEORGETOWN MILL | GEORGETOWN, Georgetown, SC | Pass | State |
| 2019-10-08 | AG PROCESSING INC. | ABERDEEN, Brown, SD | Pass | State |
| 2019-10-08 | AG PROCESSING INC. | ABERDEEN, Brown, SD | Pass | State |
| 2019-10-08 | INTERSTATE BRICK | WEST JORDAN, Salt Lake, UT | Pass | State |
| 2019-10-08 | PACIFICORP LAKESIDE (SUMMIT VINEYARD) | VINEYARD, Utah, UT | Pass | State |
| 2019-10-08 | GLOBALFOUNDRIES US 2 LLC | ESSEX, Chittenden, VT | Pass | State |
| 2019-10-08 | WESTLAKE US 2 LLC | LONGVIEW, Cowlitz, WA | Pass | Local |
| 2019-10-08 | WESTLAKE US 2 LLC | LONGVIEW, Cowlitz, WA | Pass | Local |
| 2019-10-08 | GRAYMONT WESTERN LIME - EDEN | EDEN, Fond du Lac, WI | Pass | State |
| 2019-10-08 | EASTERN GAS TRANSMISSION AND STORAGE, INC., CORNWELL STATION | CLENDENIN, Kanawha, WV | Pass | State |
| 2019-10-08 | WILLIAMS OHIO VALLEY MIDSTREAM LLC, CORLEY STATION | DALLAS, Marshall, WV | Pass | State |
| 2019-10-08 | RINER STATION (SOUTHERN STAR CENTRAL GAS PIPELINE) | SWEETWATER COUNTY, Sweetwater, WY | Pass | State |
| 2019-10-07 | TRANSCONTINENTAL GAS PIPE LINE COMPANY L | SWEET WATER, Marengo, AL | Pass | State |
| 2019-10-07 | TRANSCONTINENTAL GAS PIPE LINE COMPANY L | SWEET WATER, Marengo, AL | Pass | State |
| 2019-10-07 | TRANSCONTINENTAL GAS PIPE LINE COMPANY L | SWEET WATER, Marengo, AL | Pass | State |
| 2019-10-07 | W&T OFFSHORE, INC. | MOBILE BAY, Mobile, AL | Pass | State |
| 2019-10-07 | W&T OFFSHORE, INC. | MOBILE BAY, Mobile, AL | Pass | State |
| 2019-10-07 | W&T OFFSHORE, INC. | MOBILE BAY, Mobile, AL | Pass | State |
| 2019-10-07 | NOBLE - WELLS RANCH STATE AF08 ECONODE | KERSEY, Weld, CO | Pass | State |
| 2019-10-07 | BONANZA CREEK - LONGHORN U-10 PROD FAC | KEENESBURG 9.3 MI. N OF, Weld, CO | Pass | State |
| 2019-10-07 | BONANZA CREEK - LONGHORN U-10 PROD FAC | KEENESBURG 9.3 MI. N OF, Weld, CO | Pass | State |
| 2019-10-07 | BONANZA CREEK - LONGHORN U-10 PROD FAC | KEENESBURG 9.3 MI. N OF, Weld, CO | Pass | State |
| 2019-10-07 | HOLLINGSHEAD MATERIALS | PANAMA CITY, Bay, FL | Pass | State |
| 2019-10-07 | HOLLINGSHEAD MATERIALS | PANAMA CITY, Bay, FL | Pass | State |
| 2019-10-07 | SECTION 7 COMPRESSOR SITE | CASPIANA, Caddo, LA | Pass | State |
| 2019-10-07 | DCP ANTRIM GAS LLC | JOHANNESBURG, Otsego, MI | Pass | State |
| 2019-10-07 | METAL TECHNOLOGIES, INC., RAVENNA DUCTILE IRON | RAVENNA, Muskegon, MI | Pass | State |
| 2019-10-07 | CAPITAL MATERIALS, LLC (PORT-0001) | PORTABLE, Undetermined, MO | Pass | State |
| 2019-10-07 | COLUMBIA GULF TRANSMISSION LLC, CORINTH COMPRESSOR STATION | CORINTH, Alcorn, MS | Pass | State |
| 2019-10-07 | COLUMBIA GULF TRANSMISSION LLC, CORINTH COMPRESSOR STATION | CORINTH, Alcorn, MS | Pass | State |
| 2019-10-07 | COLUMBIA GULF TRANSMISSION LLC, CORINTH COMPRESSOR STATION | CORINTH, Alcorn, MS | Pass | State |
| 2019-10-07 | PCS PHOSPHATE COMPANY, INC. - AURORA | AURORA, Beaufort, NC | Pass | State |
| 2019-10-07 | CHAPARRAL GAS PLANT | LOCO HILLS, Eddy, NM | Pass | State |
| 2019-10-07 | BASF CORPORATION — high-priority violation on file | GREENVILLE, Darke, OH | Pass | State |
| 2019-10-07 | XTO ENERGY INC / COOK CDP | ARDMORE, Carter, OK | Pass | State |
| 2019-10-07 | XTO ENERGY INC / COOK CDP | ARDMORE, Carter, OK | Pass | State |
| 2019-10-07 | MARKWEST OKLAHOMA GAS CO LLC / LOYAL COMPRESSOR STATION | LOYAL, Kingfisher, OK | Pass | State |
| 2019-10-07 | MARKWEST OKLAHOMA GAS CO LLC / LOYAL COMPRESSOR STATION | LOYAL, Kingfisher, OK | Pass | State |
| 2019-10-07 | MARKWEST OKLAHOMA GAS CO LLC / LOYAL COMPRESSOR STATION | LOYAL, Kingfisher, OK | Pass | State |
| 2019-10-07 | MARKWEST OKLAHOMA GAS CO LLC / JACKSON COMPRESSOR STATION | SAYRE, Roger Mills, OK | Pass | State |
| 2019-10-07 | MARKWEST OKLAHOMA GAS CO LLC / JACKSON COMPRESSOR STATION | SAYRE, Roger Mills, OK | Pass | State |
| 2019-10-07 | MARKWEST OKLAHOMA GAS CO LLC / JACKSON COMPRESSOR STATION | SAYRE, Roger Mills, OK | Pass | State |
| 2019-10-07 | HEIDELBERG MATERIALS US CEMENT LLC/EVANSVILLE CEMENT PLT & Q — high-priority violation on file | FLEETWOOD, Berks, PA | Pass | State |
| 2019-10-07 | UGI TEXAS CREEK LLC/THOMAS 808 FAC | ELK TOWNSHIP, Tioga, PA | Pass | State |
| 2019-10-07 | WARREN EP INC/REIMILLER PAD | MESHOPPEN, Wyoming, PA | Pass | State |
| 2019-10-07 | MUSTANG STATION | DENVER CITY, Yoakum, TX | Pass | State |
| 2019-10-07 | MUSTANG STATION | DENVER CITY, Yoakum, TX | Pass | State |
| 2019-10-07 | MUSTANG STATION | DENVER CITY, Yoakum, TX | Pass | State |
| 2019-10-07 | INTERSTATE BRICK | WEST JORDAN, Salt Lake, UT | Pass | State |
| 2019-10-07 | WILLIAMS OHIO VALLEY MIDSTREAM LLC, BURCH RIDGE ST | MOUNDSVILLE, Marshall, WV | Pass | State |
| 2019-10-06 | GOLDEN VALLEY ELECTRIC ASSOCIATION / HEALY POWER PLANT — high-priority violation on file | HEALY, Denali, AK | Pass | State |
| 2019-10-06 | GOLDEN VALLEY ELECTRIC ASSOCIATION / HEALY POWER PLANT — high-priority violation on file | HEALY, Denali, AK | Pass | State |
| 2019-10-06 | VERTEX REFINING ALABAMA LLC | SARALAND, Mobile, AL | Pass | State |
| 2019-10-06 | CARLTON FORGE WORKS | PARAMOUNT, Los Angeles, CA | Pass | Local |
| 2019-10-06 | CARLTON FORGE WORKS | PARAMOUNT, Los Angeles, CA | Pass | Local |
| 2019-10-05 | CLEARWATER PAPER CORPORATION (CYPRESS BEND) | ARKANSAS CITY, Desha, AR | Pass | State |
| 2019-10-05 | WATERBURY GENERATION, LLC | WATERBURY, New Haven, CT | Pass | State |
| 2019-10-04 | RAZORBACK GATHERING COMPANY, LLC. - TWIN GROVES CPF 1 | GREENBRIER, Faulkner, AR | Pass | State |
| 2019-10-04 | RAZORBACK GATHERING COMPANY, LLC. - WOOLLY HOLLOW CPF 1 | GREENBRIER, Faulkner, AR | Pass | State |
| 2019-10-04 | TESORO REFINING & MARKETING COMPANY — high-priority violation on file | MARTINEZ, Contra Costa, CA | Pass | Local |
| 2019-10-04 | SO CAL GAS CO | VALENCIA, Los Angeles, CA | Pass | Local |
| 2019-10-04 | PLAINS END, LLC | ARVADA, Jefferson, CO | Pass | State |
| 2019-10-04 | EXTRACTION - DIAMOND VALLEY EAST | WINDSOR AREA, Weld, CO | Pass | State |
| 2019-10-04 | BONANZA CREEK - PRONGHORN 24-7 BOOSTER | KERSEY 14.7 MI. E OF, Weld, CO | Pass | State |
| 2019-10-04 | PFIZER GLOBAL MANUFACTURING | GROTON (HISTORICAL), New London, CT | Pass | State |
| 2019-10-04 | C.W. MATTHEWS CONTRACTING CO., INC. - GARDEN CITY ASPHALT PLANT | GARDEN CITY, Chatham, GA | Pass | State |
| 2019-10-04 | REYNOLDS CONSUMER PRODUCTS LLC LOUISVILLE FOIL PLANT | LOUISVILLE, Jefferson, KY | Pass | Local |
| 2019-10-04 | CONSTELLATION WEST MEDWAY LLC | MEDWAY, Norfolk, MA | Pending | State |
| 2019-10-04 | MICHIGAN STATE UNIVERSITY | EAST LANSING, Ingham, MI | Pass | State |
| 2019-10-04 | MIDWEST STERILIZATION CORPORATION | JACKSON, Cape Girardeau, MO | N/A | State |
| 2019-10-04 | EP ENGINEERED CLAYS CORPORATION — high-priority violation on file | JACKSON, Hinds, MS | Pass | State |
| 2019-10-04 | EP ENGINEERED CLAYS CORPORATION — high-priority violation on file | JACKSON, Hinds, MS | Pass | State |
| 2019-10-04 | EP ENGINEERED CLAYS CORPORATION — high-priority violation on file | JACKSON, Hinds, MS | Pass | State |
| 2019-10-04 | EP ENGINEERED CLAYS CORPORATION — high-priority violation on file | JACKSON, Hinds, MS | Pass | State |
| 2019-10-04 | ENTERGY MISSISSIPPI LLC, HINDS COUNTY PLANT | JACKSON, Hinds, MS | Pass | State |
| 2019-10-04 | ENTERGY MISSISSIPPI LLC, HINDS COUNTY PLANT | JACKSON, Hinds, MS | Pass | State |
| 2019-10-04 | ENTERGY MISSISSIPPI LLC, HINDS COUNTY PLANT | JACKSON, Hinds, MS | Pass | State |
| 2019-10-04 | ENTERGY MISSISSIPPI LLC, HINDS COUNTY PLANT | JACKSON, Hinds, MS | Pass | State |
| 2019-10-04 | NC MUNICIPAL POWER AGENCY NO. 1 - HIGH POINT POLO PLANT | HIGH POINT, Guilford, NC | Pass | State |
| 2019-10-04 | NPPD SHELDON STATION | HALLAM, Lancaster, NE | Pass | Local |
| 2019-10-04 | ROCCO COMPRESSOR STATION | MALAGA, Lea, NM | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.