| 2024-11-20 | BLUE BUTTES COMPRESSOR STATION AND PUMP STATION | Pass | U.S. EPA |
| 2024-11-20 | BLUE BUTTES COMPRESSOR STATION AND PUMP STATION | Pass | U.S. EPA |
| 2024-11-20 | BLUE BUTTES COMPRESSOR STATION AND PUMP STATION | Pass | U.S. EPA |
| 2024-11-15 | TARGA BADLANDS JUNCTION COMPRESSOR STATION | Pass | U.S. EPA |
| 2024-11-15 | TARGA BADLANDS JUNCTION COMPRESSOR STATION | Pass | U.S. EPA |
| 2024-11-14 | TARGA BADLANDS JUNCTION COMPRESSOR STATION | Pass | U.S. EPA |
| 2024-11-14 | TARGA BADLANDS JUNCTION COMPRESSOR STATION | Pass | U.S. EPA |
| 2024-11-13 | JOHNSON COMPRESSOR STATION | Pass | U.S. EPA |
| 2024-11-13 | JOHNSON COMPRESSOR STATION | Pass | U.S. EPA |
| 2024-11-12 | TARGA BADLANDS, LLC - LITTLE MISSOURI GAS PLANT (LMGP) AND SMOKEY COMPRESSOR STA | Pass | State |
| 2024-10-29 | EOG- CLARKS CREEK CENTRAL FACILITY | Pass | U.S. EPA |
| 2024-10-29 | EOG- CLARKS CREEK CENTRAL FACILITY | Pass | U.S. EPA |
| 2024-10-29 | EOG- CLARKS CREEK CENTRAL FACILITY | Pass | U.S. EPA |
| 2024-10-29 | EOG- CLARKS CREEK CENTRAL FACILITY | Pass | U.S. EPA |
| 2024-10-29 | EOG- CLARKS CREEK CENTRAL FACILITY | Pass | U.S. EPA |
| 2024-10-10 | ONEOK ROCKIES MIDSTREAM, L.L.C. - BEAVERTAIL COMPRESSOR STATION - AQ | N/A | State |
| 2024-09-23 | TARGA- CLARK'S CREEK COMPRESSOR STATION | Pass | U.S. EPA |
| 2024-09-17 | ONEOK ROCKIES MIDSTREAM, L.L.C. - ALEXANDER COMPRESSOR STATION | Pass | State |
| 2024-08-21 | HILAND PARTNERS HOLDINGS LLC - RIVERS EDGE COMPRESSOR STATION | N/A | State |
| 2024-08-13 | TARGA- CLARK'S CREEK COMPRESSOR STATION | Pass | U.S. EPA |
| 2024-07-30 | WBI ENERGY TRANSMISSION, INC. - CHARBONNEAU COMPRESSOR STATION - AQ | Pass | State |
| 2024-07-18 | TARGA BADLANDS JUNCTION COMPRESSOR STATION | Pass | U.S. EPA |
| 2024-07-18 | TARGA BADLANDS JUNCTION COMPRESSOR STATION | Pass | U.S. EPA |
| 2024-07-18 | TARGA BADLANDS JUNCTION COMPRESSOR STATION | Pass | U.S. EPA |
| 2024-07-17 | NORTHERN BORDER PIPELINE COMPANY - ARNEGARD COMPRESSOR STATION - AQ | Pass | State |
| 2024-07-01 | ONEOK ROCKIES MIDSTREAM, L.L.C. - ANTELOPE COMPRESSOR STATION - AQ | Pass | State |
| 2024-06-24 | TARGA BADLANDS, LLC - LITTLE MISSOURI GAS PLANT (LMGP) AND SMOKEY COMPRESSOR STA | Pass | State |
| 2024-06-11 | BASIN ELECTRIC POWER COOPERATIVE - LONESOME CREEK STATION - AQ | Pass | State |
| 2024-05-23 | ROUGH RIDER BAKKEN G&P LLC, A SUBSIDIARY OF ENERGY TRANSFER, LP - WILD BASIN GAS | Pass | State |
| 2024-05-23 | ROUGH RIDER BAKKEN G&P LLC, A SUBSIDIARY OF ENERGY TRANSFER, LP - WILD BASIN GAS | Pass | State |
| 2024-05-23 | ROUGH RIDER BAKKEN G&P LLC, A SUBSIDIARY OF ENERGY TRANSFER, LP - WILD BASIN GAS | Pass | State |
| 2024-05-23 | ROUGH RIDER BAKKEN G&P LLC, A SUBSIDIARY OF ENERGY TRANSFER, LP - WILD BASIN GAS | Pass | State |
| 2024-05-15 | ONEOK ROCKIES MIDSTREAM, L.L.C. - DEMICKS LAKE GAS PLANT - AQ | Pass | State |
| 2024-05-07 | HILAND PARTNERS HOLDINGS LLC - RIVERS EDGE COMPRESSOR STATION | N/A | State |
| 2024-04-30 | HESS NORTH DAKOTA PIPELINES LLC - HAWKEYE GAS FACILITY - AQ | Pass | State |
| 2024-04-26 | EOG- CLARKS CREEK CENTRAL FACILITY | Pass | U.S. EPA |
| 2024-04-23 | EOG- CLARKS CREEK CENTRAL FACILITY | Pass | U.S. EPA |
| 2024-04-23 | HILAND PARTNERS HOLDINGS LLC - WATFORD CITY GAS PLANT - AQ | Pass | State |
| 2024-04-19 | TARGA BADLANDS, LLC - LITTLE MISSOURI GAS PLANT (LMGP) AND SMOKEY COMPRESSOR STA | Pass | State |
| 2024-04-16 | ROUGH RIDER BAKKEN G&P LLC, A SUBSIDIARY OF ENERGY TRANSFER, LP - WILD BASIN GAS | Pass | State |
| 2024-04-16 | ROUGH RIDER BAKKEN G&P LLC, A SUBSIDIARY OF ENERGY TRANSFER, LP - WILD BASIN GAS | Pass | State |
| 2024-04-16 | ROUGH RIDER BAKKEN G&P LLC, A SUBSIDIARY OF ENERGY TRANSFER, LP - WILD BASIN GAS | Pass | State |
| 2024-04-08 | TARGA BADLANDS, LLC - LITTLE MISSOURI GAS PLANT (LMGP) AND SMOKEY COMPRESSOR STA | Pass | State |
| 2024-04-08 | TARGA BADLANDS, LLC - LITTLE MISSOURI GAS PLANT (LMGP) AND SMOKEY COMPRESSOR STA | Pass | State |
| 2024-04-03 | TARGA BADLANDS, LLC - LITTLE MISSOURI GAS PLANT (LMGP) AND SMOKEY COMPRESSOR STA | Pass | State |
| 2024-04-03 | TARGA BADLANDS, LLC - LITTLE MISSOURI GAS PLANT (LMGP) AND SMOKEY COMPRESSOR STA | Pass | State |
| 2024-04-03 | TARGA BADLANDS, LLC - LITTLE MISSOURI GAS PLANT (LMGP) AND SMOKEY COMPRESSOR STA | Pass | State |
| 2024-04-03 | TARGA BADLANDS, LLC - LITTLE MISSOURI GAS PLANT (LMGP) AND SMOKEY COMPRESSOR STA | Pass | State |
| 2024-04-03 | TARGA BADLANDS, LLC - LITTLE MISSOURI GAS PLANT (LMGP) AND SMOKEY COMPRESSOR STA | Pass | State |
| 2024-04-03 | TARGA BADLANDS, LLC - LITTLE MISSOURI GAS PLANT (LMGP) AND SMOKEY COMPRESSOR STA | Pass | State |
| 2024-04-01 | ONEOK ROCKIES MIDSTREAM, L.L.C. - BEAVERTAIL COMPRESSOR STATION - AQ | Pass | State |
| 2024-04-01 | TARGA BADLANDS, LLC - HAWKEYE COMPRESSOR STATION - AQ | Pass | State |
| 2024-03-26 | ROUGH RIDER BAKKEN G&P LLC, A SUBSIDIARY OF ENERGY TRANSFER, LP - WILD BASIN GAS | Pass | State |
| 2024-03-26 | ROUGH RIDER BAKKEN G&P LLC, A SUBSIDIARY OF ENERGY TRANSFER, LP - WILD BASIN GAS | N/A | State |
| 2024-03-22 | EOG- CLARKS CREEK CENTRAL FACILITY | Pass | U.S. EPA |
| 2024-03-22 | EOG- CLARKS CREEK CENTRAL FACILITY | Pass | U.S. EPA |
| 2024-03-22 | EOG- CLARKS CREEK CENTRAL FACILITY | Pass | U.S. EPA |
| 2024-03-22 | TARGA BADLANDS, LLC - HAWKEYE COMPRESSOR STATION - AQ | Pass | State |
| 2024-03-20 | TARGA BADLANDS, LLC - LITTLE MISSOURI GAS PLANT (LMGP) AND SMOKEY COMPRESSOR STA | Pass | State |
| 2024-03-20 | TARGA BADLANDS, LLC - LITTLE MISSOURI GAS PLANT (LMGP) AND SMOKEY COMPRESSOR STA | Pass | State |
| 2024-03-12 | BLUE BUTTES COMPRESSOR STATION AND PUMP STATION | Pass | U.S. EPA |
| 2024-02-27 | HILAND PARTNERS HOLDINGS LLC - ALEX COMPRESSOR STATION | Pass | State |
| 2024-02-07 | BLUE BUTTES COMPRESSOR STATION AND PUMP STATION | Pass | U.S. EPA |
| 2024-01-04 | JOHNSON COMPRESSOR STATION | Pass | U.S. EPA |
