EPA Air · stack tests by county and year

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

42Stack 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 Garfield 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 Garfield County facility page.

Garfield County, Oklahoma, 2025

Air-emissions stack tests in Garfield County, other years

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

Date	Facility	Kind	Agency
2025-08-26	FORMENTERA OPERATIONS / CAROLYN 27 M1H	Pass	State
2025-08-26	FORMENTERA OPERATIONS / PEACH PAD	Pass	State
2025-08-26	FORMENTERA OPERATIONS / ELVERDA PAD	Pass	State
2025-08-26	FORMENTERA OPERATIONS / ELVERDA PAD	Pass	State
2025-08-26	FORMENTERA OPERATIONS / ARLENE PAD	Pass	State
2025-08-25	FORMENTERA OPERATIONS / FRANCIS 26 M4H FRANCIS 36 M1H	Pass	State
2025-07-24	FORMENTERA OPERATIONS / BETHANY PAD	Pass	State
2025-07-24	FORMENTERA OPERATIONS / SEBRANEK 1 3H	Pass	State
2025-07-23	FORMENTERA OPERATIONS / ALLEN 1 11H	Pass	State
2025-07-23	FORMENTERA OPERATIONS / LORENE 1 9H	Pass	State
2025-07-23	FORMENTERA OPERATIONS / BRYAN 1 9H	Pass	State
2025-07-22	FORMENTERA OPERATIONS / BOLENBAUGH 1 7H	Pass	State
2025-07-21	FORMENTERA OPERATIONS / O QUIN 2 10H	Pass	State
2025-07-21	FORMENTERA OPERATIONS / REINSCHMIEDT 1 4H PAD	Pass	State
2025-07-18	FORMENTERA OPERATIONS / JUANITA 1 12H SMITTY 1 13H	Pass	State
2025-07-17	FORMENTERA OPERATIONS / FRANCES 2 21H	Pass	State
2025-07-17	FORMENTERA OPERATIONS / HELBERG 1 22H	Pass	State
2025-07-16	FORMENTERA OPERATIONS / ARLENE PAD	Pass	State
2025-07-16	FORMENTERA OPERATIONS / WILLIAMS PAD	Pass	State
2025-07-16	FORMENTERA OPERATIONS / TENNYSON 2 20H PAD	Pass	State
2025-07-15	FORMENTERA OPERATIONS / PEACH PAD	Pass	State
2025-07-15	FORMENTERA OPERATIONS / PEACH PAD	Pass	State
2025-07-15	FORMENTERA OPERATIONS / PEACH PAD	Pass	State
2025-07-15	FORMENTERA OPERATIONS / ARLENE PAD	Pass	State
2025-07-15	FORMENTERA OPERATIONS / JUANITA 2 12HM SMITTY 2 13H	Pass	State
2025-07-14	FORMENTERA OPERATIONS / BUSS 2 28WH	Pass	State
2025-07-07	TARGA PIPELINE MIDCONTINENT WESTOK LLC / WAUKOMIS COMPRESSOR STATION	Pass	State
2025-07-07	TARGA PIPELINE MIDCONTINENT WESTOK LLC / HILLSDALE COMPRESSOR STATION	Pass	State
2025-06-25	FORMENTERA OPERATIONS / T MACK 26 35 PAD	Pass	State
2025-06-25	FORMENTERA OPERATIONS / T MACK 26 35 PAD	Pass	State
2025-06-24	FORMENTERA OPERATIONS / T MACK PAD	Pass	State
2025-06-24	FORMENTERA OPERATIONS / YOUNGER 1 1H FACILITY	Pass	State
2025-06-23	FORMENTERA OPERATIONS / TLZ 3 34WH	Pass	State
2025-06-23	FORMENTERA OPERATIONS / VELMA 1 35H	Pass	State
2025-05-06	TARGA PIPELINE MIDCONTINENT WESTOK LLC / WAUKOMIS COMPRESSOR STATION	Pass	State
2025-05-06	TARGA PIPELINE MIDCONTINENT WESTOK LLC / WAUKOMIS COMPRESSOR STATION	Pass	State
2025-04-08	TARGA PIPELINE MIDCONTINENT WESTOK LLC / CARRIER COMPRESSOR STATION	Pass	State
2025-04-08	TARGA PIPELINE MIDCONTINENT WESTOK LLC / HILLSDALE COMPRESSOR STATION	Pass	State
2025-03-04	TARGA PIPELINE MIDCONTINENT WESTOK LLC / HILLSDALE COMPRESSOR STATION	Pass	State
2025-02-06	BCE MACH III MIDSTREAM HOLDINGS LLC / MARAL COMPRESSOR STATION	Pass	State
2025-02-06	BCE MACH III MIDSTREAM HOLDINGS LLC / MARAL COMPRESSOR STATION	Pass	State
2025-01-28	MUSTANG GAS PRODUCTS LLC / RODMAN GAS PLANT — high-priority violation on file	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 Garfield county, OK, in 2025. It lists 42 stack tests recorded in 2025.