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

Other years

Air-emissions stack tests recorded in 2020

Date	Facility	Where	Kind	Agency
2020-12-21	LONGWOOD - STATELINE COMPRESSOR STATION	MALAGA, Eddy, NM	Pass	State
2020-12-21	LONGWOOD - STATELINE COMPRESSOR STATION	MALAGA, Eddy, NM	Pass	State
2020-12-21	LONGWOOD - STATELINE COMPRESSOR STATION	MALAGA, Eddy, NM	Pass	State
2020-12-21	W LYBROOK REMOTE FACILITY NO1 — high-priority violation on file	NAGEEZI, San Juan, NM	Pass	State
2020-12-21	GULFPORT APPALACHIA, LLC - MILLER WELL PAD	LONDONDERRY, TOWNSHIP OF, Guernsey, OH	Pass	State
2020-12-21	GULFPORT APPALACHIA, LLC - MILLER WELL PAD	LONDONDERRY, TOWNSHIP OF, Guernsey, OH	Pass	State
2020-12-21	GULFPORT APPALACHIA, LLC - MILLER WELL PAD	LONDONDERRY, TOWNSHIP OF, Guernsey, OH	Pass	State
2020-12-21	GULFPORT APPALACHIA, LLC - BK STEPHENS	CADIZ, Harrison, OH	Pass	State
2020-12-21	GULFPORT APPALACHIA, LLC - BK STEPHENS	CADIZ, Harrison, OH	Pass	State
2020-12-21	GULFPORT APPALACHIA, LLC - BK STEPHENS	CADIZ, Harrison, OH	Pass	State
2020-12-21	GULFPORT APPALACHIA, LLC - RYSER #1-25H WELL PAD	OHIO, Undetermined, OH	Pass	State
2020-12-21	GULFPORT APPALACHIA, LLC - RYSER #1-25H WELL PAD	OHIO, Undetermined, OH	Pass	State
2020-12-21	GULFPORT APPALACHIA, LLC - RYSER #1-25H WELL PAD	OHIO, Undetermined, OH	Pass	State
2020-12-21	CONTINENTAL RESOURCES / UMBACH 6 21 28 33XHW UMBACH 8 21 28 33	ALEX, Grady, OK	Pass	State
2020-12-21	CONTINENTAL RESOURCES / EMERY 2 9 16XHW	BLANCHARD, Grady, OK	Pass	State
2020-12-21	REGENCY MARCELLUS GAS GATHERING LLC/ROUPP COMP STA	MIFFLIN, Lycoming, PA	Pass	State
2020-12-21	SANTEE COOPER CROSS GENERATING STATION — high-priority violation on file	PINEVILLE, Berkeley, SC	Pass	State
2020-12-21	MIDDLE PENINSULA LANDFILL AND RECYCLING FACILITY	GLENNS, Gloucester, VA	Pass	State
2020-12-21	CAPITOL HEAT AND POWER (DOA)	MADISON, Dane, WI	Pass	State
2020-12-20	UNIVERSITY OF CONNECTICUT STORRS CAMPUS	MANSFIELD DEPOT, Tolland, CT	Pass	State
2020-12-19	TST INC	FONTANA, San Bernardino, CA	Pass	Local
2020-12-19	INR MIDSTREAM, LLC - UPPER HILL COMPRESSOR STATION	SARAHSVILLE, Noble, OH	Pass	State
2020-12-19	INR MIDSTREAM, LLC - UPPER HILL COMPRESSOR STATION	SARAHSVILLE, Noble, OH	Pass	State
2020-12-19	INR MIDSTREAM, LLC - UPPER HILL COMPRESSOR STATION	SARAHSVILLE, Noble, OH	Pass	State
2020-12-19	INR MIDSTREAM, LLC - UPPER HILL COMPRESSOR STATION	SARAHSVILLE, Noble, OH	Pass	State
2020-12-19	INR MIDSTREAM, LLC - UPPER HILL COMPRESSOR STATION	SARAHSVILLE, Noble, OH	Pass	State
2020-12-19	INR MIDSTREAM, LLC - UPPER HILL COMPRESSOR STATION	SARAHSVILLE, Noble, OH	Pass	State
2020-12-19	INR MIDSTREAM, LLC - UPPER HILL COMPRESSOR STATION	SARAHSVILLE, Noble, OH	Pass	State
2020-12-19	INR MIDSTREAM, LLC - UPPER HILL COMPRESSOR STATION	SARAHSVILLE, Noble, OH	Pass	State
2020-12-19	INR MIDSTREAM, LLC - UPPER HILL COMPRESSOR STATION	SARAHSVILLE, Noble, OH	Pass	State
2020-12-19	NORTHAMPTON GEN CO/NORTHAMPTON	NORTHAMPTON, Northampton, PA	Pass	State
2020-12-19	RHODE ISLAND BIOENERGY FACILITY, LLC	JOHNSTON, Providence, RI	Fail	State
2020-12-18	NORTHEAST ARKANSAS REGIONAL SOLID WASTE MANAGEMENT DISTRICT	PARAGOULD, Greene, AR	Pass	State
2020-12-18	OC WASTE & RECYCLING, COYOTE	NEWPORT COAST, Orange, CA	Pass	Local
2020-12-18	U S DEPT OF AGRICULTURE	MIAMI, Miami-Dade, FL	Pass	State
2020-12-18	MOSAIC FERTILIZER, LLC	RIVERVIEW, Hillsborough, FL	Pass	State
2020-12-18	MOSAIC FERTILIZER, LLC	RIVERVIEW, Hillsborough, FL	Pass	State
2020-12-18	OSCEOLA FARMS	PAHOKEE, Palm Beach, FL	Pass	State
2020-12-18	OSCEOLA FARMS	PAHOKEE, Palm Beach, FL	Pass	State
2020-12-18	OSCEOLA FARMS	PAHOKEE, Palm Beach, FL	Pass	State
2020-12-18	OSCEOLA FARMS	PAHOKEE, Palm Beach, FL	Pass	State
2020-12-18	OSCEOLA FARMS	PAHOKEE, Palm Beach, FL	Pass	State
2020-12-18	OSCEOLA FARMS	PAHOKEE, Palm Beach, FL	Pass	State
2020-12-18	OSCEOLA FARMS	PAHOKEE, Palm Beach, FL	Pass	State
2020-12-18	STANDARD SAND & SILICA COMPANY	LAKE WALES, Polk, FL	Pass	State
2020-12-18	WEST HAWAII CONCRETE - WAIMEA	UNKNOWN, Undetermined, HI	Pass	State
2020-12-18	ESTHERVILLE MUNICIPAL UTILITIES-POWERPLT	ESTHERVILLE, Emmet, IA	Pass	State
2020-12-18	SAPPI NORTH AMERICA, INC.	SKOWHEGAN, Somerset, ME	Pass	State
2020-12-18	LOUISIANA-PACIFIC CORP - TWO HARBORS	TWO HARBORS, Lake, MN	Pass	State
2020-12-18	PAR MONTANA BILLINGS REFINERY	BILLINGS, Yellowstone, MT	Pass	State
2020-12-18	NORTH CAROLINA STATE UNIVERSITY	RALEIGH, Wake, NC	Pass	State
2020-12-18	ADM CORN PROCESSING — high-priority violation on file	COLUMBUS, Platte, NE	Fail	State
2020-12-18	GREENAMERICA BIOFUELS ORD LLC	ORD, Valley, NE	Pass	State
2020-12-18	MANCHESTER WASTEWATER TREATMENT PLANT	MANCHESTER, Hillsborough, NH	Pass	State
2020-12-18	MANCHESTER WASTEWATER TREATMENT PLANT	MANCHESTER, Hillsborough, NH	Pass	U.S. EPA
2020-12-18	BLACK RIVER - MALAGA SWD NO4 FACILITY	MALAGA, Eddy, NM	Pass	State
2020-12-18	BLACK RIVER - MALAGA SWD NO4 FACILITY	MALAGA, Eddy, NM	Pass	State
2020-12-18	BELLOQ 11 CTB 1	MALAGA, Eddy, NM	Pass	State
2020-12-18	BELLOQ 11 CTB 1	MALAGA, Eddy, NM	Pass	State
2020-12-18	DEVON - GRUMPY CAT 15 CTB 2	MALAGA, Lea, NM	Pass	State
2020-12-18	DEVON - GRUMPY CAT 15 CTB 2	MALAGA, Lea, NM	Pass	State
2020-12-18	SAMUEL A CARLSON GENERATING STATION	JAMESTOWN, Chautauqua, NY	Pass	State
2020-12-18	CLEVELAND-CLIFFS STEEL CORPORATION — high-priority violation on file	MIDDLETOWN, Butler, OH	Pass	State
2020-12-18	MARATHON PETROLEUM COMPANY LP - CANTON REFINERY — high-priority violation on file	CANTON, Stark, OH	Pass	State
2020-12-18	VAN HOEKELEN GREENHOUSES INC/MCADOO	MCADOO, Schuylkill, PA	Pass	State
2020-12-18	LOAN ASSET ISSUER LLC/WEST FINLEY 4 WELL PAD	WEST FINELY, Washington, PA	Pass	State
2020-12-18	HAMPTON/NASA STEAM PLANT	HAMPTON, Hampton (city), VA	Fail	State
2020-12-18	STARBUCKS MANUFACTURING CORPORATION	KENT, King, WA	Pass	Local
2020-12-17	ARROW PIPELINE STATION #7	DUNN COUNTY, Dunn, ND	Pass	U.S. EPA
2020-12-17	CARMEUSE LIME & STONE INC	SAGINAW, Shelby, AL	Pass	State
2020-12-17	BLUESTONE COKE	BIRMINGHAM, Jefferson, AL	Pass	Local
2020-12-17	GEORGIA-PACIFIC WOOD PRODUCTS LLC	GURDON, Clark, AR	Pass	State
2020-12-17	GEORGIA-PACIFIC WOOD PRODUCTS LLC	GURDON, Clark, AR	Pass	State
2020-12-17	TOKAI CARBON GE LLC	OZARK, Franklin, AR	Pass	State
2020-12-17	TOKAI CARBON GE LLC	OZARK, Franklin, AR	Pass	State
2020-12-17	TOKAI CARBON GE LLC	OZARK, Franklin, AR	Pass	State
2020-12-17	TOKAI CARBON GE LLC	OZARK, Franklin, AR	Pass	State
2020-12-17	ENTERGY ARKANSAS, LLC - WHITE BLUFF PLANT	REDFIELD, Jefferson, AR	Pass	State
2020-12-17	PHILLIPS 66 PIPELINE LLC	COALINGA, Fresno, CA	Pass	Local
2020-12-17	PHILLIPS 66 PIPELINE LLC	COALINGA, Fresno, CA	Pass	Local
2020-12-17	PHILLIPS 66 PIPELINE LLC	COALINGA, Fresno, CA	Pass	Local
2020-12-17	PHILLIPS 66 PIPELINE LLC	COALINGA, Fresno, CA	Pass	Local
2020-12-17	PHILLIPS 66 PIPELINE LLC	COALINGA, Fresno, CA	Pass	Local
2020-12-17	PHILLIPS 66 PIPELINE LLC	COALINGA, Fresno, CA	Pass	Local
2020-12-17	PHILLIPS 66 PIPELINE LLC	COALINGA, Fresno, CA	Pass	Local
2020-12-17	PHILLIPS 66 PIPELINE LLC	COALINGA, Fresno, CA	Pass	Local
2020-12-17	PHILLIPS 66 PIPELINE LLC	COALINGA, Fresno, CA	Pass	Local
2020-12-17	PHILLIPS 66 PIPELINE LLC	COALINGA, Fresno, CA	Pass	Local
2020-12-17	PHILLIPS 66 PIPELINE LLC	COALINGA, Fresno, CA	Pass	Local
2020-12-17	PHILLIPS 66 PIPELINE LLC	COALINGA, Fresno, CA	Pass	Local
2020-12-17	PHILLIPS 66 PIPELINE LLC	COALINGA, Fresno, CA	Pass	Local
2020-12-17	PHILLIPS 66 PIPELINE LLC	COALINGA, Fresno, CA	Pass	Local
2020-12-17	PHILLIPS 66 PIPELINE LLC	COALINGA, Fresno, CA	Pass	Local
2020-12-17	PHILLIPS 66 PIPELINE LLC	COALINGA, Fresno, CA	Pass	Local
2020-12-17	PHILLIPS 66 PIPELINE LLC	COALINGA, Fresno, CA	Pass	Local
2020-12-17	PHILLIPS 66 PIPELINE LLC	COALINGA, Fresno, CA	Pass	Local
2020-12-17	FULCRUM ENERGY - BIGHORN-MUTUAL 0780 S17	WALDEN 11.6 MI. N OF, Jackson, CO	Pass	State
2020-12-17	UTAH GAS - DRAGON TRAIL — high-priority violation on file	RANGELY 16.7 MI. S OF, Rio Blanco, CO	Pass	State
2020-12-17	U S DEPT OF AGRICULTURE	MIAMI, Miami-Dade, FL	Pass	State
2020-12-17	FLOWERS BAKERY OF VILLA RICA, LLC	VILLA RICA, Carroll, GA	Pass	State

Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.