McKenzie County, ND
The federal environmental record for McKenzie County (population 14,252): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.
0
Superfund NPL sites
0
federal cleanup sites
0
PFAS-detecting water systems
10
TRI facilities
3
open tank releases
Drinking water: PFAS testing
No public water system serving McKenzie reported a PFAS detection in the UCMR5 national testing round. Systems serving under 3,300 people were only sampled in part, so absence from this table is not proof of absence in the water.
Facilities reporting toxic releases (2024)
10 facilities in McKenzie filed TRI reports for 2024, totalling 12.3M lb released.
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| ONEOK ROCKIES MIDSTREAM LLC - GRASSLANDS GAS PLANT | ALEXANDER | Hydrogen sulfide, Diethanolamine | 12.2M lb |
| DEMICKS LAKE GAS PLANT | WATFORD CITY | n-Hexane, Benzene | 38k lb |
| LITTLE MISSOURI GAS PLANT | WATFORD CITY | n-Hexane, Benzene | 29k lb |
| WATFORD CITY PLANT | ALEXANDER | n-Hexane, Xylene (mixed isomers) | 18k lb |
| RED WING CREEK II GAS PLANT | ARNEGARD | n-Hexane, Cyclohexane | 8k lb |
| WILD BASIN GAS PROCESSING &CRUDE HANDLING FACILITY | WATFORD CITY | n-Hexane, Benzene | 8k lb |
| GARDEN CREEK GAS PLANT | WATFORD CITY | n-Hexane, Benzene | 6k lb |
| LONESOME CREEK GAS PLANT | ALEXANDER | n-Hexane, Benzene | 4k lb |
| BEAR DEN GAS PLANT | WATFORD CITY | n-Hexane, Cyclohexane | 3k lb |
| ROOSEVELT GAS PLANT | WATFORD CITY | Methanol, n-Hexane | 2k lb |
Underground fuel tanks
EPA's UST Finder records 76 tank facilities in McKenzie: 54 tanks in service and 165 closed. 19 fuel releases are on record, of which 3 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps McKenzie as Zone 1, the highest predicted indoor radon levels (over 4 pCi/L average). Radon and air quality are covered in depth on lung.com.
The record for one specific address
County figures blur what matters: distance. The Address Environmental Report runs these same federal datasets against one address and reports every site, tank, polluter and water result around it, with distances, in about a minute.
Get the report - $39