Mountrail County, ND
The federal environmental record for Mountrail County (population 9,383): 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
4
TRI facilities
2
open tank releases
Drinking water: PFAS testing
No public water system serving Mountrail 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)
4 facilities in Mountrail filed TRI reports for 2024, totalling 66k lb released.
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| ANDEAVOR FIELD SERVICES LLC - ROBINSON LAKE GAS PLANT | NEW TOWN | Ethylene glycol, n-Hexane | 48k lb |
| AUX SABLE MIDSTREAM | PALERMO | n-Hexane, Methanol | 15k lb |
| PALERMO PRODUCT TERMINAL | PALERMO | n-Hexane, Benzene | 3k lb |
| CICADA LOGISTICS | NEW TOWN | - | 0 lb |
Underground fuel tanks
EPA's UST Finder records 119 tank facilities in Mountrail: 120 tanks in service and 215 closed. 23 fuel releases are on record, of which 2 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps Mountrail 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