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 Williams County, North Dakota, 2024

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 Williams County, North Dakota during 2024. 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 Williams County facility page.

Williams County, North Dakota, 2024

Air-emissions stack tests in Williams County, other years

Air-emissions stack tests recorded in Williams County, North Dakota, 2024

DateFacilityKindAgency
2024-12-10HESS TIOGA GAS PLANT LLC - TIOGA GAS PLANT - AQPassState
2024-10-31BASIN ELECTRIC POWER COOPERATIVE - PIONEER GENERATION STATION - AQFailState
2024-10-30BASIN ELECTRIC POWER COOPERATIVE - PIONEER GENERATION STATION - AQPassState
2024-09-18ONEOK ROCKIES MIDSTREAM, L.L.C. - STATELINE GAS PLANT - AQPassState
2024-08-141804 LTD. LLC - SPRINGBROOK GAS PLANT - AQPassState
2024-07-23HILAND PARTNERS HOLDINGS LLC - STONY CREEK COMPRESSOR STATIONPassState
2024-06-11HILAND PARTNERS HOLDINGS LLC - EPPING COMPRESSOR STATIONPassState
2024-05-15HILAND PARTNERS HOLDINGS LLC - 4RUNNER COMPRESSOR STATIONPassState
2024-04-16HESS TIOGA GAS PLANT LLC - TIOGA GAS PLANT - AQPassState
2024-04-11HILAND PARTNERS HOLDINGS LLC - BETHEL COMPRESSOR STATIONN/AState

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