EPA Air · stack tests by county and year

Air-emissions stack tests in Grady County, Oklahoma, 2025

132Stack tests

A stack test measures what a source actually emits, at the stack, against the limit in its permit. Each row below is one stack test recorded against a source in Grady County, Oklahoma during 2025. A facility can appear several times: this is the year’s record of what happened, not a list of places. The sources themselves are on the Grady County facility page.

Grady County, Oklahoma, 2025

Air-emissions stack tests in Grady County, other years

Air-emissions stack tests recorded in Grady County, Oklahoma, 2025

Date	Facility	Kind	Agency
2025-11-20	ET GATHERING PROCESSING LLC / GRADY COMPRESSOR STATION	Pass	State
2025-10-28	DCP OPERATING CO LP / WILD HOG BOOSTER STATION	Pass	State
2025-09-02	ET GATHERING PROCESSING LLC / BURTSCHI COMPRESSOR STATION	Pass	State
2025-08-28	IRON HORSE MIDSTREAM LLC / REMINGTON COMPRESSOR STATION	Pass	State
2025-08-19	CONTINENTAL RESOURCES / DYER 3 4 30 31XHW JACQUEZ 6 19 18XHS	Pass	State
2025-08-18	CONTINENTAL RESOURCES / LAMBRECHT 4 17 20XHW LAMBRECHT 5 17 20	Pass	State
2025-07-24	CAMINO NATURAL RESOURCES LLC / TRUMAN CARMEN 1UMXH SCOTT 1UMXH 4H 5H	Pass	State
2025-07-23	CAMINO NATURAL RESOURCES LLC / UNCOMPAHGRE 10 15 1MH BYERS 0806 10 3	Pass	State
2025-07-23	CAMINO NATURAL RESOURCES LLC / ROBERT KALSU 1 CLARA LUPER 1 PRODUCTIO	Pass	State
2025-07-22	CAMINO NATURAL RESOURCES LLC / SCOTT 33 1H	Pass	State
2025-07-22	CAMINO NATURAL RESOURCES LLC / SCOTT 33 2H 33 3H	Pass	State
2025-07-21	CAMINO NATURAL RESOURCES LLC / TRUMAN CARMEN 1UMXH SCOTT 1UMXH 4H 5H	Pass	State
2025-07-21	CAMINO NATURAL RESOURCES LLC / JOHN PHILLIPS 1 ROBBERS CAVE 1 PRODUCT	Pass	State
2025-07-18	FW MIDCON I LLC / TAYLOR 7 5 10 15 1H 2H 20H	Pass	State
2025-07-16	CAMINO NATURAL RESOURCES LLC / JON SNOW 1 PRODUCTION FACILITY	Pass	State
2025-07-16	CAMINO NATURAL RESOURCES LLC / PHILLIPS 1 5H	Pass	State
2025-07-15	CAMINO NATURAL RESOURCES LLC / PAXTON 1 20H	Pass	State
2025-07-15	CAMINO NATURAL RESOURCES LLC / PICKARD 1H 9	Pass	State
2025-07-15	CAMINO NATURAL RESOURCES LLC / BLACK MESA 0505 3 10 1WH GREAT PLAINS	Pass	State
2025-07-14	CAMINO NATURAL RESOURCES LLC / MCCOMAS 1H 32 29	Pass	State
2025-07-14	CAMINO NATURAL RESOURCES LLC / MICKEY MANTLE 2 3 4 PRODUCTION FACILIT	Pass	State
2025-07-11	FW MIDCON I LLC / FAITH 4H 12 BILLY 1H 12	Pass	State
2025-07-10	CAMINO NATURAL RESOURCES LLC / COOK 1 13H	Pass	State
2025-06-30	BCE MACH LLC / SILVER SPUR 34 27 9N 6W 1 2MHX PAD	Pass	State
2025-06-27	FORMENTERA OPERATIONS / BEN AND EULA PRODUCTION FACILITY	Pass	State
2025-06-26	FW MIDCON I LLC / EULA MAE 0305 20H 30H 23X	Pass	State
2025-06-25	FW MIDCON I LLC / EULA MAE 0305 20H 30H 23X	Pass	State
2025-06-23	CAMINO NATURAL RESOURCES LLC / SANDBASS 1 PAYNE 1 PRODUCTION FACILITY	Pass	State
2025-06-18	GULFPORT MIDCON LLC / EJ CRADDOCK A	Pass	State
2025-06-18	EOG RESOURCES INC / DESKINS CTB	Pass	State
2025-06-16	GULFPORT MIDCON LLC / GARNETT B PAD	Pass	State
2025-06-12	BCE MACH LLC / CAMPBELL FARMS 35 2 8N 6W 2WHX 4WHX 5W	Pass	State
2025-06-12	BCE MACH LLC / CAMPBELL FARMS 35 2 8N 6W 2WHX 4WHX 5W	Pass	State
2025-06-11	CAMINO NATURAL RESOURCES LLC / GARRARD 0805 2 1XXHW	Pass	State
2025-06-11	CAMINO NATURAL RESOURCES LLC / ROBERT KALSU 1 CLARA LUPER 1 PRODUCTIO	Pass	State
2025-06-11	BCE MACH LLC / CAMPBELL FARMS 35 2 8N 6W 2WHX 4WHX 5W	Pass	State
2025-06-10	CAMINO NATURAL RESOURCES LLC / UNCOMPAHGRE 10 15 1MH BYERS 0806 10 3	Pass	State
2025-06-10	CAMINO NATURAL RESOURCES LLC / BLACK MESA 0505 3 10 1WH GREAT PLAINS	Pass	State
2025-06-10	CAMINO NATURAL RESOURCES LLC / BLACK MESA 0505 3 10 1WH GREAT PLAINS	Pass	State
2025-06-09	CAMINO NATURAL RESOURCES LLC / BLACK FOREST 1 20XH	Pass	State
2025-06-09	CAMINO NATURAL RESOURCES LLC / ACADIAN 0806 11 2 1MH PRODUCTION FACIL	Pass	State
2025-06-06	BCE MACH LLC / SILVER SPUR 34 27 9N 6W 1 2MHX PAD	Pass	State
2025-06-05	BCE MACH LLC / SMASHBOI 7 18 8 6 2MHX 3MHX PAD	Pass	State
2025-06-04	IRON HORSE MIDSTREAM LLC / BUFFALO COMPRESSOR STATION	Pass	State
2025-06-04	BCE MACH LLC / CAMPBELL FARMS 35 2 8N 6W 2WHX 4WHX 5W	Pass	State
2025-06-03	IRON HORSE MIDSTREAM LLC / BUFFALO COMPRESSOR STATION	Pass	State
2025-06-03	BCE MACH LLC / SMASHBOI 7 18 8 6 2MHX 3MHX PAD	Pass	State
2025-06-02	IRON HORSE MIDSTREAM LLC / BUFFALO COMPRESSOR STATION	Pass	State
2025-06-02	IRON HORSE MIDSTREAM LLC / BUFFALO COMPRESSOR STATION	Pass	State
2025-05-30	BCE MACH LLC / SASQUATCH LIVES PAD	Pass	State
2025-05-27	EOG RESOURCES INC / LIVINGSTON CTB	Pass	State
2025-05-23	TROY ENERGY / HARRIS 3 2 LMH	Pass	State
2025-05-22	ENABLE GAS TRANSMISSION LLC / AMBER JUNCTION COMPRESSOR STATION	Pass	State
2025-05-20	CONTINENTAL RESOURCES / EARLY 5 29 32XHW RK MORRIS 6 29 20 17X	Pass	State
2025-05-20	CONTINENTAL RESOURCES / NISWONGER 4 5 6 LOU 1 16H	Pass	State
2025-05-19	CONTINENTAL RESOURCES / BIRT 1 13H WILLIAMS 1 24H	Pass	State
2025-05-19	CONTINENTAL RESOURCES / GREEN ACRES 5 36 25XHW SHAW 3 1 12XHW	Pass	State
2025-05-14	BCE MACH LLC / DUMBLEDORE 24 13 10 7W 1 2 3MHX REDBU	Pass	State
2025-05-14	BCE MACH LLC / DUMBLEDORE 24 13 10 7W 1 2 3MHX REDBU	Pass	State
2025-05-08	IRON HORSE MIDSTREAM LLC / REMINGTON COMPRESSOR STATION	Pass	State
2025-05-08	IRON HORSE MIDSTREAM LLC / REMINGTON COMPRESSOR STATION	Pass	State
2025-05-07	IRON HORSE MIDSTREAM LLC / REMINGTON COMPRESSOR STATION	Pass	State
2025-05-07	IRON HORSE MIDSTREAM LLC / REMINGTON COMPRESSOR STATION	Pass	State
2025-05-06	IRON HORSE MIDSTREAM LLC / REMINGTON COMPRESSOR STATION	Pass	State
2025-04-28	DCP OPERATING CO LP / LINDSAY BRADLEY COMPRESSOR STATION	Pass	State
2025-04-10	DCP OPERATING CO LP / LINDSAY BRADLEY COMPRESSOR STATION	Pass	State
2025-03-25	CONTINENTAL RESOURCES / LARUSCH 1 1H	Pass	State
2025-03-24	ET GATHERING PROCESSING LLC / GRADY GAS PLANT	Pass	State
2025-03-22	IRON HORSE MIDSTREAM LLC / SILVER PIGEON COMPRESSOR STATION	Pass	State
2025-03-20	IRON HORSE MIDSTREAM LLC / SILVER PIGEON COMPRESSOR STATION	Pass	State
2025-03-20	IRON HORSE MIDSTREAM LLC / SILVER PIGEON COMPRESSOR STATION	Pass	State
2025-03-20	IRON HORSE MIDSTREAM LLC / SILVER PIGEON COMPRESSOR STATION	Pass	State
2025-03-18	DCP OPERATING CO LP / SUNDOWN COMPRESSOR STATION	Pass	State
2025-03-18	DCP OPERATING CO LP / SUNDOWN COMPRESSOR STATION	Pass	State
2025-03-18	GULFPORT MIDCON LLC / DALE C PAD	Pass	State
2025-03-17	DCP OPERATING CO LP / SUNDOWN COMPRESSOR STATION	Pass	State
2025-03-17	DCP OPERATING CO LP / SUNDOWN COMPRESSOR STATION	Pass	State
2025-03-17	IRON HORSE MIDSTREAM LLC / SILVER PIGEON COMPRESSOR STATION	Pass	State
2025-03-13	FORMENTERA OPERATIONS / KINGS CANYON PRODUCTION FACILITY	Pass	State
2025-03-12	TOM STACK LLC / REPUBLIC STATION	Pass	State
2025-03-06	VALIDUS ENERGY II MIDCON LLC / RENBARGER CTB	Pass	State
2025-03-05	TOM STACK LLC / REPUBLIC STATION	Pass	State
2025-03-05	BCE MACH LLC / SILVER SPUR 34 27 9N 6W 1 2MHX PAD	Pass	State
2025-03-04	TOM STACK LLC / REPUBLIC STATION	Pass	State
2025-03-03	TOM STACK LLC / REPUBLIC STATION	Pass	State
2025-03-03	TOM STACK LLC / REPUBLIC STATION	Pass	State
2025-03-03	FW MIDCON I LLC / DAVIS 0805 2HW 3HW 4HW 34X	Pass	State
2025-02-18	ET GATHERING PROCESSING LLC / FRISCO COMPRESSOR STATION	Pass	State
2025-02-18	ET GATHERING PROCESSING LLC / FRISCO COMPRESSOR STATION	Pass	State
2025-02-18	CONTINENTAL RESOURCES / TRIPLE RIMER 2 35 26XHW 3 35 26XHM	Pass	State
2025-02-18	CONTINENTAL RESOURCES / MCBRYDE FIU 3 23 26XHW	Pass	State
2025-02-17	DCP OPERATING CO LP / CHITWOOD GAS PLANT — high-priority violation on file	Pass	State
2025-02-17	ET GATHERING PROCESSING LLC / FRISCO COMPRESSOR STATION	Pass	State
2025-02-17	ET GATHERING PROCESSING LLC / FRISCO COMPRESSOR STATION	Pass	State
2025-02-17	ET GATHERING PROCESSING LLC / FRISCO COMPRESSOR STATION	Pass	State
2025-02-17	CONTINENTAL RESOURCES / BUSER 1 19 30XH STEELMAN 1 18 7XH	Pass	State
2025-02-17	CONTINENTAL RESOURCES / DUNGAN 1 31 30XH	Pass	State
2025-02-17	ET GATHERING PROCESSING LLC / HAYES COMPRESSOR STATION	Pass	State
2025-02-17	ET GATHERING PROCESSING LLC / HAYES COMPRESSOR STATION	Pass	State
2025-02-17	CONTINENTAL RESOURCES / HART 4 25 24XHS WHEELER FARMS 3 36 1 1	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 Grady county, OK, in 2025. It lists 132 stack tests recorded in 2025.