EPA Air · stack tests by county and year

Air-emissions stack tests in Ellis County, Oklahoma, 2021

33Stack 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 Ellis County, Oklahoma during 2021. 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 Ellis County facility page.

Ellis County, Oklahoma, 2021

Air-emissions stack tests in Ellis County, other years

What stands out

Stack tests in Ellis County, Oklahoma, rose from 26 in 2020, the previous year on file, to 33 in 2021.
The county’s file for stack tests holds 9 years of events, from 2017 through 2025.
Its 33 stack tests rank 12th of the 42 county cells in Oklahoma for 2021.
Its 33 stack tests are 2.5% of the 1,318 the state’s file holds for 2021.

Every line is computed by formula from the state’s stored file; nothing is estimated.

Air-emissions stack tests recorded in Ellis County, Oklahoma, 2021

Date	Facility	Kind	Agency
2021-12-02	DCP OPERATING CO LP / HOBIT COMPRESSOR STATION — high-priority violation on file	Pass	State
2021-11-23	PRESIDIO PETROLEUM LLC / PEARLGIRL 4 PAD	Pass	State
2021-11-23	UNBRIDLED RESOURCES LLC / KNOWLES 25X36 KENNY PAD	Pass	State
2021-11-22	UNBRIDLED RESOURCES LLC / PARKER RED BLUFF 11 18 25 WELL PAD	Pass	State
2021-11-22	UNBRIDLED RESOURCES LLC / WAYLAND 18X7 18 25 1HC 2HD	Pass	State
2021-10-14	DCP OPERATING CO LP / CRUSADER COMPRESSOR STATION	Pass	State
2021-09-09	UNBRIDLED RESOURCES LLC / MILLER FIELDER CTB PRODUCTION FACILITY	Pass	State
2021-08-17	ET GATHERING PROCESSING LLC / SAINTS COMPRESSOR STATION	Pass	State
2021-08-04	ET GATHERING PROCESSING LLC / BISHOP 1 COMPRESSOR STATION	Pass	State
2021-06-15	ET GATHERING PROCESSING LLC / BISHOP 2 COMPRESSOR STATION	Pass	State
2021-06-15	ET GATHERING PROCESSING LLC / BISHOP 2 COMPRESSOR STATION	Pass	State
2021-06-01	DCP OPERATING CO LP / CRUSADER COMPRESSOR STATION	Pass	State
2021-03-25	MEWBOURNE OIL CO / LAKE VINCENT 12 MD 1HM	Pass	State
2021-03-25	MEWBOURNE OIL CO / SHEFFIELD 21 28 JO 1HC SHEFFIELD 21 2	Pass	State
2021-03-24	MEWBOURNE OIL CO / MARVEL 10AP 1HM	Pass	State
2021-03-23	ET GATHERING PROCESSING LLC / KNIGHTS COMPRESSOR STATION	Pass	State
2021-03-23	UNBRIDLED RESOURCES LLC / BERRYMAN CTB	Pass	State
2021-03-23	MEWBOURNE OIL CO / SANSING UNIT 2H	Pass	State
2021-03-22	ET GATHERING PROCESSING LLC / SAINTS COMPRESSOR STATION	Pass	State
2021-03-19	MEWBOURNE OIL CO / CLAYTON 26 AP 3HM	Pass	State
2021-03-18	MEWBOURNE OIL CO / RIBEYE 33 PA 1HM WALLEYE 4 AP 1HM	Pass	State
2021-03-18	MEWBOURNE OIL CO / YODER 12 OB 2HM	Pass	State
2021-03-18	MEWBOURNE OIL CO / DEAL 35DM 2HC	Pass	State
2021-03-16	MEWBOURNE OIL CO / DIAMONDEYE 28 MD 1HM	Pass	State
2021-03-03	MEWBOURNE OIL CO / GOLDENEYE 34 ND 1HM	Pass	State
2021-03-02	UNBRIDLED RESOURCES LLC / MILLER 6 CTB	Pass	State
2021-03-01	UNBRIDLED RESOURCES LLC / MILLER 6 CTB	Pass	State
2021-02-23	ET GATHERING PROCESSING LLC / BISHOP 1 COMPRESSOR STATION	Pass	State
2021-02-09	MEWBOURNE OIL CO / GOLDENEYE 34 PA 2HM	Pass	State
2021-02-05	MEWBOURNE OIL CO / KELLN TRUST 8 5 GB 2HC	Pass	State
2021-02-04	MEWBOURNE OIL CO / BERRYMAN 1 MD 2HT	Pass	State
2021-02-04	MEWBOURNE OIL CO / BERRYMAN 1 PA 1HT	Pass	State
2021-01-21	ET GATHERING PROCESSING LLC / WOLF CREEK COMPRESSOR STATION	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 Ellis county, OK, in 2021. It lists 33 stack tests recorded in 2021.