EPA Air · stack tests by county and year

Air-emissions stack tests in McKenzie County, North Dakota, 2026

30Stack 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 McKenzie County, North Dakota during 2026. 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 McKenzie County facility page.

McKenzie County, North Dakota, 2026

Air-emissions stack tests in McKenzie County, other years

Air-emissions stack tests recorded in McKenzie County, North Dakota, 2026

Date	Facility	Kind	Agency
2026-07-20	TARGA BADLANDS JUNCTION COMPRESSOR STATION	Pass	U.S. EPA
2026-07-20	TARGA BADLANDS JUNCTION COMPRESSOR STATION	Pass	U.S. EPA
2026-07-20	TARGA BADLANDS JUNCTION COMPRESSOR STATION	Pass	U.S. EPA
2026-07-20	BLUE BUTTES COMPRESSOR STATION AND PUMP STATION	Pass	U.S. EPA
2026-07-20	BLUE BUTTES COMPRESSOR STATION AND PUMP STATION	Pass	U.S. EPA
2026-07-20	BLUE BUTTES COMPRESSOR STATION AND PUMP STATION	Pass	U.S. EPA
2026-07-20	TAT-BLUE BUTTES COMPRESSOR STATION	Pass	U.S. EPA
2026-07-20	TAT-BLUE BUTTES COMPRESSOR STATION	Pass	U.S. EPA
2026-07-20	TAT-BLUE BUTTES COMPRESSOR STATION	Pass	U.S. EPA
2026-07-20	TAT-BLUE BUTTES COMPRESSOR STATION	Pass	U.S. EPA
2026-07-20	TAT-BLUE BUTTES COMPRESSOR STATION	Pass	U.S. EPA
2026-06-03	TARGA- CLARK'S CREEK COMPRESSOR STATION	Pass	U.S. EPA
2026-06-03	TARGA- CLARK'S CREEK COMPRESSOR STATION	Pass	U.S. EPA
2026-06-03	TARGA- CLARK'S CREEK COMPRESSOR STATION	Pass	U.S. EPA
2026-05-27	JOHNSON COMPRESSOR STATION	Pass	U.S. EPA
2026-05-18	ONEOK ROCKIES MIDSTREAM, L.L.C. - ANTELOPE COMPRESSOR STATION - AQ	N/A	State
2026-05-08	TARGA BADLANDS, LLC - LITTLE MISSOURI GAS PLANT (LMGP) AND SMOKEY COMPRESSOR STA	N/A	State
2026-04-08	JOHNSON COMPRESSOR STATION	Pass	U.S. EPA
2026-04-08	JOHNSON COMPRESSOR STATION	Pass	U.S. EPA
2026-04-08	ROUGH RIDER BAKKEN G&P LLC, A SUBSIDIARY OF ENERGY TRANSFER, LP - WILD BASIN GAS	N/A	State
2026-04-08	ROUGH RIDER BAKKEN G&P LLC, A SUBSIDIARY OF ENERGY TRANSFER, LP - WILD BASIN GAS	N/A	State
2026-04-07	ROUGH RIDER BAKKEN G&P LLC, A SUBSIDIARY OF ENERGY TRANSFER, LP - WILD BASIN GAS	N/A	State
2026-04-07	ROUGH RIDER BAKKEN G&P LLC, A SUBSIDIARY OF ENERGY TRANSFER, LP - WILD BASIN GAS	N/A	State
2026-04-07	ROUGH RIDER BAKKEN G&P LLC, A SUBSIDIARY OF ENERGY TRANSFER, LP - WILD BASIN GAS	N/A	State
2026-04-06	ROUGH RIDER BAKKEN G&P LLC, A SUBSIDIARY OF ENERGY TRANSFER, LP - WILD BASIN GAS	N/A	State
2026-04-06	ROUGH RIDER BAKKEN G&P LLC, A SUBSIDIARY OF ENERGY TRANSFER, LP - WILD BASIN GAS	N/A	State
2026-04-06	TARGA BADLANDS, LLC - HAWKEYE COMPRESSOR STATION - AQ	N/A	State
2026-03-31	ONEOK ROCKIES MIDSTREAM, L.L.C. - GARDEN CREEK GAS PLANT - AQ	Pass	State
2026-03-02	TARGA BADLANDS, LLC - LITTLE MISSOURI GAS PLANT (LMGP) AND SMOKEY COMPRESSOR STA	N/A	State
2026-01-15	TARGA BADLANDS, LLC - LITTLE MISSOURI GAS PLANT (LMGP) AND SMOKEY COMPRESSOR STA	N/A	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 McKenzie county, ND, in 2026. Stack tests recorded in 2026: 30.