EPA Air · stack tests by state and year
Air-emissions stack tests in North Dakota, 2025
- 143Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit. Every stack test below was recorded against a source in North Dakota during 2025; one facility can appear more than once, because this is a record of what happened rather than a list of places.
Counties in North Dakota, 2025
- McKenzie County 79
- Dunn County 23
- Williams County 14
- Morton County 4
- Pembina County 4
- Cass County 3
- Divide County 3
North Dakota, other years
Air-emissions stack tests recorded in North Dakota, 2025
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2025-04-24 | TAT-BLUE BUTTES COMPRESSOR STATION | MCKENZIE COUNTY, McKenzie, ND | Pass | U.S. EPA |
| 2025-04-24 | TAT-BLUE BUTTES COMPRESSOR STATION | MCKENZIE COUNTY, McKenzie, ND | Pass | U.S. EPA |
| 2025-04-24 | TAT-BLUE BUTTES COMPRESSOR STATION | MCKENZIE COUNTY, McKenzie, ND | Pass | U.S. EPA |
| 2025-04-24 | TAT-BLUE BUTTES COMPRESSOR STATION | MCKENZIE COUNTY, McKenzie, ND | Pass | U.S. EPA |
| 2025-04-24 | TAT-BLUE BUTTES COMPRESSOR STATION | MCKENZIE COUNTY, McKenzie, ND | Pass | U.S. EPA |
| 2025-04-24 | TAT-BLUE BUTTES COMPRESSOR STATION | MCKENZIE COUNTY, McKenzie, ND | Pass | U.S. EPA |
| 2025-04-24 | BUFFALO COMPRESSOR STATION | MANDAREE SEGMENT, Dunn, ND | Pass | U.S. EPA |
| 2025-04-24 | BUFFALO COMPRESSOR STATION | MANDAREE SEGMENT, Dunn, ND | Pass | U.S. EPA |
| 2025-04-24 | BUFFALO COMPRESSOR STATION | MANDAREE SEGMENT, Dunn, ND | Pass | U.S. EPA |
| 2025-04-24 | ROUGH RIDER BAKKEN G&P LLC, A SUBSIDIARY OF ENERGY TRANSFER, LP - WILD BASIN GAS | WATFORD CITY, McKenzie, ND | Pass | State |
| 2025-04-24 | ROUGH RIDER BAKKEN G&P LLC, A SUBSIDIARY OF ENERGY TRANSFER, LP - WILD BASIN GAS | WATFORD CITY, McKenzie, ND | Pass | State |
| 2025-04-24 | ROUGH RIDER BAKKEN G&P LLC, A SUBSIDIARY OF ENERGY TRANSFER, LP - WILD BASIN GAS | WATFORD CITY, McKenzie, ND | Pass | State |
| 2025-04-16 | HESS TIOGA GAS PLANT LLC - TIOGA GAS PLANT - AQ | TIOGA, Williams, ND | Pass | State |
| 2025-04-10 | TARGA BADLANDS, LLC - LITTLE MISSOURI GAS PLANT (LMGP) AND SMOKEY COMPRESSOR STA | WATFORD CITY, McKenzie, ND | N/A | State |
| 2025-04-09 | HILAND PARTNERS HOLDINGS LLC - EDGEWATER COMPRESSOR STATION | WILLISTON, Mountrail, ND | Pass | State |
| 2025-04-07 | TARGA BADLANDS, LLC - LITTLE MISSOURI GAS PLANT (LMGP) AND SMOKEY COMPRESSOR STA | WATFORD CITY, McKenzie, ND | N/A | State |
| 2025-04-02 | EOG- CLARKS CREEK CENTRAL FACILITY | MANDAREE, McKenzie, ND | Pass | U.S. EPA |
| 2025-04-02 | EOG- CLARKS CREEK CENTRAL FACILITY | MANDAREE, McKenzie, ND | Pass | U.S. EPA |
| 2025-04-02 | EOG- CLARKS CREEK CENTRAL FACILITY | MANDAREE, McKenzie, ND | Pass | U.S. EPA |
| 2025-04-02 | EOG- CLARKS CREEK CENTRAL FACILITY | MANDAREE, McKenzie, ND | Pass | U.S. EPA |
| 2025-04-02 | EOG- CLARKS CREEK CENTRAL FACILITY | MANDAREE, McKenzie, ND | Pass | U.S. EPA |
| 2025-03-31 | TARGA BADLANDS JUNCTION COMPRESSOR STATION | MCKENZIE COUNTY, McKenzie, ND | Pass | U.S. EPA |
| 2025-03-31 | TARGA BADLANDS JUNCTION COMPRESSOR STATION | MCKENZIE COUNTY, McKenzie, ND | Pass | U.S. EPA |
| 2025-03-31 | TARGA BADLANDS JUNCTION COMPRESSOR STATION | MCKENZIE COUNTY, McKenzie, ND | Pass | U.S. EPA |
| 2025-03-31 | TARGA BADLANDS JUNCTION COMPRESSOR STATION | MCKENZIE COUNTY, McKenzie, ND | Pass | U.S. EPA |
| 2025-03-31 | BLUE BUTTES COMPRESSOR STATION AND PUMP STATION | MCKENZIE COUNTY, McKenzie, ND | Pass | U.S. EPA |
| 2025-03-31 | BLUE BUTTES COMPRESSOR STATION AND PUMP STATION | MCKENZIE COUNTY, McKenzie, ND | Pass | U.S. EPA |
| 2025-03-31 | BLUE BUTTES COMPRESSOR STATION AND PUMP STATION | MCKENZIE COUNTY, McKenzie, ND | Pass | U.S. EPA |
| 2025-03-14 | TARGA BADLANDS, LLC - LITTLE MISSOURI GAS PLANT (LMGP) AND SMOKEY COMPRESSOR STA | WATFORD CITY, McKenzie, ND | N/A | State |
| 2025-03-10 | TARGA BADLANDS, LLC - LITTLE MISSOURI GAS PLANT (LMGP) AND SMOKEY COMPRESSOR STA | WATFORD CITY, McKenzie, ND | N/A | State |
| 2025-03-04 | NORTH DAKOTA STATE UNIVERSITY (NDSU) - HEATING PLANT - AQ | FARGO, Cass, ND | N/A | State |
| 2025-03-04 | THARALDSON ETHANOL PLANT I, LLC - AQ | CASSELTON, Cass, ND | Pass | State |
| 2025-02-26 | ONEOK ROCKIES MIDSTREAM, L.L.C. - TREE TOP COMPRESSOR STATION | MEDORA, Billings, ND | Pass | State |
| 2025-02-26 | HILAND PARTNERS HOLDINGS LLC - ALEX COMPRESSOR STATION | WATFORD CITY, McKenzie, ND | Pass | State |
| 2025-02-24 | MINN-DAK FARMERS COOPERATIVE (MDFC) - WAHPETON PLANT - AQ | WAHPETON, Richland, ND | Pending | State |
| 2025-02-17 | TARGA BADLANDS, LLC - LITTLE MISSOURI GAS PLANT (LMGP) AND SMOKEY COMPRESSOR STA | WATFORD CITY, McKenzie, ND | N/A | State |
| 2025-02-07 | JOHNSON COMPRESSOR STATION | MANDAREE, McKenzie, ND | Pass | U.S. EPA |
| 2025-02-07 | JOHNSON COMPRESSOR STATION | MANDAREE, McKenzie, ND | Pass | U.S. EPA |
| 2025-02-06 | JOHNSON COMPRESSOR STATION | MANDAREE, McKenzie, ND | Pass | U.S. EPA |
| 2025-01-31 | AMERICAN CRYSTAL SUGAR COMPANY (ACS) - DRAYTON PLANT - AQ | DRAYTON, Pembina, ND | Fail | State |
| 2025-01-21 | HESS TIOGA GAS PLANT LLC - TIOGA GAS PLANT - AQ | TIOGA, Williams, ND | Pass | State |
| 2025-01-15 | AMERICAN CRYSTAL SUGAR COMPANY (ACS) - DRAYTON PLANT - AQ | DRAYTON, Pembina, ND | Pass | State |
| 2025-01-03 | TARGA BADLANDS, LLC - LITTLE MISSOURI GAS PLANT (LMGP) AND SMOKEY COMPRESSOR STA | WATFORD CITY, McKenzie, ND | N/A | State |
PreviousPage 1Page 2 of 2
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.