EPA Air · stack tests by county and year

Air-emissions stack tests in Custer County, Oklahoma, 2020

26Stack 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 Custer County, Oklahoma during 2020. 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 Custer County facility page.

Custer County, Oklahoma, 2020

Air-emissions stack tests in Custer County, other years

Air-emissions stack tests recorded in Custer County, Oklahoma, 2020

Date	Facility	Kind	Agency
2020-11-03	ONEOK FIELD SERVICES CO LLC / MAST EAST FOSS COMPRESSOR STATION	Pass	State
2020-11-02	ET GATHERING PROCESSING LLC / TERRIER COMPRESSOR STATION	Pass	State
2020-11-02	ET GATHERING PROCESSING LLC / TERRIER COMPRESSOR STATION	Pass	State
2020-11-02	ET GATHERING PROCESSING LLC / TERRIER COMPRESSOR STATION	Pass	State
2020-10-08	MARKWEST OKLAHOMA GAS CO LLC / CUSTER STABILIZATION STATION	Pass	State
2020-10-08	MARKWEST OKLAHOMA GAS CO LLC / CUSTER STABILIZATION STATION	Pass	State
2020-10-07	MARKWEST OKLAHOMA GAS CO LLC / BUTLER ARAPAHO GAS PLANT — high-priority violation on file	Pass	State
2020-10-07	MARKWEST OKLAHOMA GAS CO LLC / BUTLER ARAPAHO GAS PLANT — high-priority violation on file	Pass	State
2020-10-05	MARKWEST OKLAHOMA GAS CO LLC / BUTLER ARAPAHO GAS PLANT — high-priority violation on file	Pass	State
2020-10-05	ET GATHERING PROCESSING LLC / WEATHERFORD COMPRESSOR STATION	Pass	State
2020-08-24	ET GATHERING PROCESSING LLC / TERRIER COMPRESSOR STATION	Pass	State
2020-07-30	UNIT PETROLEUM CO / SARATOGA PAD	Pass	State
2020-05-07	ONEOK FIELD SERVICES CO LLC / CUSTER GAS PLANT	Pass	State
2020-04-28	ONEOK FIELD SERVICES CO LLC / WEST SMALLWOOD COMPRESSOR STATION	Pass	State
2020-03-19	MARKWEST OKLAHOMA GAS CO LLC / CUSTER STABILIZATION STATION	Pass	State
2020-03-19	MARKWEST OKLAHOMA GAS CO LLC / CUSTER STABILIZATION STATION	Pass	State
2020-03-10	CONTINENTAL RESOURCES / HUMPHREYS 1 2H	Pass	State
2020-03-09	ET GATHERING PROCESSING LLC / ONE HORSE COMPRESSOR STATION	Pass	State
2020-03-09	ET GATHERING PROCESSING LLC / ONE HORSE COMPRESSOR STATION	Pass	State
2020-03-09	ET GATHERING PROCESSING LLC / ONE HORSE COMPRESSOR STATION	Pass	State
2020-03-09	ET GATHERING PROCESSING LLC / ONE HORSE COMPRESSOR STATION	Pass	State
2020-03-09	ET GATHERING PROCESSING LLC / ONE HORSE COMPRESSOR STATION	Pass	State
2020-03-09	ET GATHERING PROCESSING LLC / ONE HORSE COMPRESSOR STATION	Pass	State
2020-03-06	MARKWEST OKLAHOMA GAS CO LLC / BUTLER ARAPAHO GAS PLANT — high-priority violation on file	Pass	State
2020-01-21	ET GATHERING PROCESSING LLC / BARNITZ COMPRESSOR STATION	Pass	State
2020-01-21	ET GATHERING PROCESSING LLC / BARNITZ COMPRESSOR STATION	Pass	State

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