Velarion Records

The 340B register and hospital finances — joined, watched daily, delivered.

EPA Air · stack tests by county and year

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

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

DateFacilityKindAgency
2026-07-20TARGA BADLANDS JUNCTION COMPRESSOR STATIONPassU.S. EPA
2026-07-20TARGA BADLANDS JUNCTION COMPRESSOR STATIONPassU.S. EPA
2026-07-20TARGA BADLANDS JUNCTION COMPRESSOR STATIONPassU.S. EPA
2026-07-20BLUE BUTTES COMPRESSOR STATION AND PUMP STATIONPassU.S. EPA
2026-07-20BLUE BUTTES COMPRESSOR STATION AND PUMP STATIONPassU.S. EPA
2026-07-20BLUE BUTTES COMPRESSOR STATION AND PUMP STATIONPassU.S. EPA
2026-07-20TAT-BLUE BUTTES COMPRESSOR STATIONPassU.S. EPA
2026-07-20TAT-BLUE BUTTES COMPRESSOR STATIONPassU.S. EPA
2026-07-20TAT-BLUE BUTTES COMPRESSOR STATIONPassU.S. EPA
2026-07-20TAT-BLUE BUTTES COMPRESSOR STATIONPassU.S. EPA
2026-07-20TAT-BLUE BUTTES COMPRESSOR STATIONPassU.S. EPA
2026-06-03TARGA- CLARK'S CREEK COMPRESSOR STATIONPassU.S. EPA
2026-06-03TARGA- CLARK'S CREEK COMPRESSOR STATIONPassU.S. EPA
2026-06-03TARGA- CLARK'S CREEK COMPRESSOR STATIONPassU.S. EPA
2026-05-27JOHNSON COMPRESSOR STATIONPassU.S. EPA
2026-05-18ONEOK ROCKIES MIDSTREAM, L.L.C. - ANTELOPE COMPRESSOR STATION - AQN/AState
2026-05-08TARGA BADLANDS, LLC - LITTLE MISSOURI GAS PLANT (LMGP) AND SMOKEY COMPRESSOR STAN/AState
2026-04-08JOHNSON COMPRESSOR STATIONPassU.S. EPA
2026-04-08JOHNSON COMPRESSOR STATIONPassU.S. EPA
2026-04-08ROUGH RIDER BAKKEN G&P LLC, A SUBSIDIARY OF ENERGY TRANSFER, LP - WILD BASIN GASN/AState
2026-04-08ROUGH RIDER BAKKEN G&P LLC, A SUBSIDIARY OF ENERGY TRANSFER, LP - WILD BASIN GASN/AState
2026-04-07ROUGH RIDER BAKKEN G&P LLC, A SUBSIDIARY OF ENERGY TRANSFER, LP - WILD BASIN GASN/AState
2026-04-07ROUGH RIDER BAKKEN G&P LLC, A SUBSIDIARY OF ENERGY TRANSFER, LP - WILD BASIN GASN/AState
2026-04-07ROUGH RIDER BAKKEN G&P LLC, A SUBSIDIARY OF ENERGY TRANSFER, LP - WILD BASIN GASN/AState
2026-04-06ROUGH RIDER BAKKEN G&P LLC, A SUBSIDIARY OF ENERGY TRANSFER, LP - WILD BASIN GASN/AState
2026-04-06ROUGH RIDER BAKKEN G&P LLC, A SUBSIDIARY OF ENERGY TRANSFER, LP - WILD BASIN GASN/AState
2026-04-06TARGA BADLANDS, LLC - HAWKEYE COMPRESSOR STATION - AQN/AState
2026-03-31ONEOK ROCKIES MIDSTREAM, L.L.C. - GARDEN CREEK GAS PLANT - AQPassState
2026-03-02TARGA BADLANDS, LLC - LITTLE MISSOURI GAS PLANT (LMGP) AND SMOKEY COMPRESSOR STAN/AState
2026-01-15TARGA BADLANDS, LLC - LITTLE MISSOURI GAS PLANT (LMGP) AND SMOKEY COMPRESSOR STAN/AState

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