EPA Air · stack tests by state and year

Air-emissions stack tests in Pennsylvania, 2023

889Stack tests

A stack test measures what a source actually emits, at the stack, against the limit in its permit. Every stack test below was recorded against a source in Pennsylvania during 2023; one facility can appear more than once, because this is a record of what happened rather than a list of places.

Counties in Pennsylvania, 2023

Pennsylvania, other years

Air-emissions stack tests recorded in Pennsylvania, 2023

Date	Facility	Where	Kind	Agency
2023-08-28	SHELL CHEM APPALACHIA/SHELL POLYMERS MONACA — high-priority violation on file	MONACA, Beaver, PA	Pass	State
2023-08-27	SCRUBGRASS GENERATING PLT/VENANGO — high-priority violation on file	KENNERDELL, Venango, PA	Pass	State
2023-08-25	SHELL CHEM APPALACHIA/SHELL POLYMERS MONACA — high-priority violation on file	MONACA, Beaver, PA	Pass	State
2023-08-24	SCRUBGRASS GENERATING PLT/VENANGO — high-priority violation on file	KENNERDELL, Venango, PA	Pass	State
2023-08-24	UNITED REFINING CO/WARREN PLT	WARREN, Warren, PA	Pending	State
2023-08-24	TRANSCONTINENTAL GAS/SALLADASBURG STATION 520	JERSEY SHORE, Lycoming, PA	Pass	State
2023-08-24	BLACKHILL ENERGY LLC/BRADFORD CNTY COMP STA	COLUMBIA CROSS ROADS, Bradford, PA	Pass	State
2023-08-24	BLACKHILL ENERGY LLC/BEARDSLEE COMP STA	TROY, Bradford, PA	Pass	State
2023-08-24	RIVERWEST APPALACHIA MIDSTREAM LLC/CLINTON COMP STA	SARVER, Butler, PA	Pass	State
2023-08-24	EQM GATHERING OPCO LLC/STEELHEAD COMP STA	MARIANNA, Washington, PA	Pass	State
2023-08-24	SQUIER, R. PAD 1 — high-priority violation on file	KINGSLEY, Susquehanna, PA	Pass	State
2023-08-24	SQUIER, R. PAD 1 — high-priority violation on file	KINGSLEY, Susquehanna, PA	Pass	State
2023-08-24	KING, D. PAD 1 — high-priority violation on file	SPRINGVILLE, Susquehanna, PA	Fail	State
2023-08-23	MONTOUR LLC/MONTOUR SES	WASHINGTONVILLE, Montour, PA	Pass	State
2023-08-23	TRANSCONTINENTAL GAS/SALLADASBURG STATION 520	JERSEY SHORE, Lycoming, PA	Pass	State
2023-08-23	EQM GATHERING OPCO LLC/CALLISTO COMP STA	SYCAMORE, Greene, PA	Pass	State
2023-08-23	PAYNE, D. PAD 1	NEW MILFORD, Susquehanna, PA	Fail	State
2023-08-23	HAUSER, J. PAD 1 — high-priority violation on file	SPRINGVILLE, Susquehanna, PA	Fail	State
2023-08-22	EASTERN GAS TRANS & STORAGE/PUNXSUTAWNEY	PUNXSUTAWNEY, Jefferson, PA	Pass	State
2023-08-22	EASTERN GAS TRANS & STORAGE INC/ARDELL COMP STA/ELK	WEEDVILLE, Elk, PA	Pass	State
2023-08-22	ETC NORTHEAST PIPELINE/GALAXY COMP STA	PARKER, Butler, PA	Pass	State
2023-08-22	USS/CLAIRTON WORKS — high-priority violation on file	CLAIRTON, Allegheny, PA	Pass	Local
2023-08-21	TRANSCONTINENTAL GAS/BEAR CREEK STA 515	BEAR CREEK, Luzerne, PA	Pass	State
2023-08-21	UNITED REFINING CO/WARREN PLT	WARREN, Warren, PA	Pass	State
2023-08-21	HILCORP ENERGY CO/LACKAWANNOCK LARMON CTL FAC	MERCER, Mercer, PA	Pass	State
2023-08-18	JOHN MIDDLETON CO/KING OF PRUSSIA	KING OF PRUSSIA, Montgomery, PA	Pass	State
2023-08-18	MDS GATHERING LLC/GILPIN COMP STA	LEECHBURG, Armstrong, PA	Pass	State
2023-08-17	COLUMBIA GAS TRANS CORP/GETTYSBURG COMP STA	GETTYSBURG, Adams, PA	Pass	State
2023-08-17	JOHNSON MATTHEY/WAYNE PLT	WAYNE, Chester, PA	Fail	State
2023-08-17	JOHNSON MATTHEY/WAYNE PLT	WAYNE, Chester, PA	Pass	State
2023-08-17	JOHN MIDDLETON CO/KING OF PRUSSIA	KING OF PRUSSIA, Montgomery, PA	Pass	State
2023-08-17	JOHN MIDDLETON CO/KING OF PRUSSIA	KING OF PRUSSIA, Montgomery, PA	Pass	State
2023-08-17	REGENCY MARCELLUS GAS GATHERING LLC/ KORBAN COMP STA	HOP BOTTOM, Susquehanna, PA	Pass	State
2023-08-17	EXPAND OPERATING LLC/MARCUCCI JONES PAD	STEVENSVILLE, Bradford, PA	Pass	State
2023-08-16	GLOBAL PKG/OAKS	OAKS, Montgomery, PA	Pass	State
2023-08-16	JOHN MIDDLETON CO/KING OF PRUSSIA	KING OF PRUSSIA, Montgomery, PA	Pass	State
2023-08-16	STECKMAN RIDGE LP/CLEARVILLE	CLEARVILLE, Bedford, PA	Pass	State
2023-08-16	LAUREL MTN MIDSTREAM OPR LLC/DUNBAR COMP STA	DUNBAR, Fayette, PA	Pass	State
2023-08-16	REGENCY MARCELLUS GATHERING LLC/BRADFORD WEST COMP STA	GRANVILLE SUMMIT, Bradford, PA	Pass	State
2023-08-16	EXPAND OPERATING LLC/CAPPUCCI WELL PAD	MEHOOPANY, Wyoming, PA	Pass	State
2023-08-16	EXPAND OPERATING LLC/TIFFANY WYO PAD	LACEYVILLE, Wyoming, PA	Pass	State
2023-08-15	US DOD/RAVEN ROCK MTN COMPLEX	BLUE RIDGE SUMMIT, Adams, PA	Pass	State
2023-08-15	JOHN MIDDLETON CO/KING OF PRUSSIA	KING OF PRUSSIA, Montgomery, PA	Pass	State
2023-08-15	MARKWEST LIBERTY BLUESTONE LLC/TRILLITH COMP STA	HARMONY, Butler, PA	Pass	State
2023-08-15	BKV OPR LLC/PLUSHANSKI WELL PAD	TUNKHANNOCK, Wyoming, PA	Pass	State
2023-08-15	WARREN EP INC/REIMILLER PAD	MESHOPPEN, Wyoming, PA	Pass	State
2023-08-15	EXPAND OPERATING LLC/BLYE WELL PAD	MONTROSE, Susquehanna, PA	Pass	State
2023-08-14	BKV OPR LLC/MIRABELLI PAD	TUNKHANNOCK, Wyoming, PA	Pass	State
2023-08-11	EQM GATHERING OPCO LLC/STEELHEAD COMP STA	MARIANNA, Washington, PA	Pass	State
2023-08-11	EXPAND OPERATING LLC/TI-09-BROWN WELL PAD	LIBERTY, Lycoming, PA	Fail	State
2023-08-10	RAUSCH CREEK GENERATION LLC/FRAILEY TWP — high-priority violation on file	TREMONT, Schuylkill, PA	Pass	State
2023-08-10	PA DHS/POLK CTR — high-priority violation on file	POLK, Venango, PA	Pass	State
2023-08-10	CNX MIDSTREAM OPR CO LLC/NV-57 COMP STA	PROSPERITY, Washington, PA	Pass	State
2023-08-10	EXPAND OPERATING LLC/SCOTT WELLPAD	NEW MILFORD, Susquehanna, PA	Fail	State
2023-08-09	EBENSBURG POWER CO/EBENSBURG COGENERATION PLT	EBENSBURG, Cambria, PA	Pass	State
2023-08-09	RAUSCH CREEK GENERATION LLC/FRAILEY TWP — high-priority violation on file	TREMONT, Schuylkill, PA	Pass	State
2023-08-09	LAUREL MACADAM LLC/SPRINGHILL ASPHALT PLT	LAKE LYNN, Fayette, PA	Pending	State
2023-08-09	LONGHORN PAD C/ELK	WEEDVILLE, Elk, PA	Pass	State
2023-08-08	MAGNESITA REFRACTORIES/YORK — high-priority violation on file	YORK, York, PA	Pass	State
2023-08-08	WHEELABRATOR FALLS INC/FALLS TWP — high-priority violation on file	MORRISVILLE, Bucks, PA	Pass	State
2023-08-08	YORK BLDG PROD CO INC/THOMASVILLE	THOMASVILLE, York, PA	Pass	State
2023-08-08	EASTERN GAS TRANS & STORAGE INC/CENTRE COMP STA	PLEASANT GAP, Centre, PA	Pass	State
2023-08-08	MARKWEST LIBERTY MIDSTREAM/BRIGICH COMP STA	CANONSBURG, Washington, PA	Pass	State
2023-08-07	COTERRA ENERGY INC/MYERS R PAD 1	HOP BOTTOM, Susquehanna, PA	Fail	State
2023-08-04	MINARD RUN OIL CO/ZIMMERMAN HILL STA	WARREN, Warren, PA	Pass	State
2023-08-03	MONTOUR LLC/MONTOUR SES	WASHINGTONVILLE, Montour, PA	Pass	State
2023-08-03	ENERGY TRANSFER MKT & TERM LP/FULLERTON TERM — high-priority violation on file	WHITEHALL, Lehigh, PA	Pass	State
2023-08-03	MINARD RUN OIL CO/ZIMMERMAN HILL STA	WARREN, Warren, PA	Pass	State
2023-08-03	MARKWEST LIBERTY MIDSTREAM/WELLING COMP STA	CLAYSVILLE, Washington, PA	Pass	State
2023-08-03	NFG MIDSTREAM TROUT RUN LLC/HAGERMAN GAS & PROC METERING FAC	TROUT RUN, Lycoming, PA	Pass	State
2023-08-03	EXPAND OPERATING LLC/VALENTINE CPF 1	CLIFFORD, Susquehanna, PA	Pass	State
2023-08-03	EXPAND OPERATING LLC/VALENTINE CPF 1	CLIFFORD, Susquehanna, PA	Pass	State
2023-08-02	GOLDEN EAGLE CONST CO/EIGHTY FOUR PLT	EIGHTY FOUR, Washington, PA	Fail	State
2023-08-02	ENERGY TRANSFER MKT & TERM LP/FULLERTON TERM — high-priority violation on file	WHITEHALL, Lehigh, PA	Pass	State
2023-08-02	ETC NORTHEAST PIPELINE LLC/BARTO COMP STA	HUGHESVILLE, Lycoming, PA	Pass	State
2023-08-02	MARKWEST LIBERTY BLUESTONE LLC/ROYAL OAK COMP STA	EVANS CITY, Butler, PA	Pass	State
2023-08-02	EXPAND OPERATING LLC/N-24 BUCKHORN WELL PAD	MONTROSE, Susquehanna, PA	Pass	State
2023-08-01	TEXAS EASTERN TRANS LP/HOLBROOK STA	WIND RIDGE, Greene, PA	Pass	State
2023-08-01	MONROE ENERGY LLC/TRAINER — high-priority violation on file	TRAINER, Delaware, PA	Pass	State
2023-08-01	UGI MORAINE EAST GATHERING LLC/RENICK COMP STA	WEST SUNBURY, Butler, PA	Pass	State
2023-08-01	EXPAND OPERATING LLC/NR-23 FOUR BUCKS PAD	SUSQUEHANNA, Susquehanna, PA	Pass	State
2023-08-01	EXPAND OPERATING LLC/TI-07 CUPPER WELL PAD	LIBERTY, Tioga, PA	Pass	State
2023-07-31	NFG MIDSTREAM TROUT RUN LLC/TROUT RUN MTN COMP STA	TROUT RUN, Lycoming, PA	Pass	State
2023-07-31	EXPAND OPERATING LLC/BLYE WELL PAD	MONTROSE, Susquehanna, PA	Pass	State
2023-07-28	JL CLARK LLC/LANCASTER	LANCASTER, Lancaster, PA	Pass	State
2023-07-28	TDPS MATERIALS INC/ASPHALT PLT	PHILADELPHIA, Philadelphia, PA	Pass	Local
2023-07-27	AMER METAL RECYCLING LLC/ELLWOOD CITY — high-priority violation on file	ELLWOOD CITY, Lawrence, PA	Pass	State
2023-07-27	TEXAS EASTERN TRANS LP/TE DELMONT COMP STA	GREENSBURG, Westmoreland, PA	Fail	State
2023-07-27	ENERGY TRANSFER MKT & TERM LP/KINGSTON TERM	EDWARDSVILLE, Luzerne, PA	Pass	State
2023-07-27	MINARD RUN OIL CO/SALMON CREEK STA WELL 1346	MARIENVILLE, Forest, PA	Pass	State
2023-07-27	WILLIAMS FIELD SVC CO LLC/SNAKE CREEK COMP STA	CLARKS SUMMIT, Susquehanna, PA	Pass	State
2023-07-27	COTERRA ENERGY INC/CARPENETTI R PAD 1	NICHOLSON, Susquehanna, PA	Pass	State
2023-07-26	ENERGY TRANSFER MKT & TERM LP/KINGSTON TERM	EDWARDSVILLE, Luzerne, PA	Pass	State
2023-07-26	MINARD RUN OIL CO/GUITON RUN COMP STA	MARIENVILLE, Forest, PA	Pass	State
2023-07-26	EASTERN GAS TRANS & STORAGE/RURAL VLY COMP STA	KITTANNING, Armstrong, PA	Pass	State
2023-07-26	WILLIAMS FIELD SVC CO LLC/KANE ROAD COMP STA	MONTROSE, Susquehanna, PA	Pass	State
2023-07-26	MESHOPPEN STONE/ELK LAKE QUARRY — high-priority violation on file	DIMMOCK, Susquehanna, PA	Pass	State
2023-07-26	HEP PENNSYLVANIA GATHERING LLC/LAUREL HILL COMP STA	TROUT RUN, Lycoming, PA	Pass	State
2023-07-26	ROVER PIPELINE LLC/BULGER COMP STA	BULGER, Washington, PA	Pass	State
2023-07-25	MINARD RUN OIL CO/DEADMANS CORNERS STA	MARIENVILLE, Forest, PA	Fail	State

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