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.

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.