County page
Mountrail County
Mountrail County currently shows 0 Superfund sites, 33 imported facility profiles, and 33,396 lbs in loaded TRI releases.
Overview
What this county page is saying
This live county page is generated from the ingested EPA datasets. It merges ECHO facility compliance rows, TRI release totals, and any Superfund sites attached to Mountrail County.
The latest loaded TRI year is 2024, with 33,396 lbs in county-level on-site releases tied to the imported facility set.
Focus points
Design and product notes
County pages combine facility compliance history with chemical release totals.
TRI chemistry shows what is being reported, while ECHO shows who keeps drawing enforcement attention.
Superfund records add legacy cleanup context even when live contaminant detail is still sparse.
Superfund layer
Cleanup sites in this county
Facilities
Worst polluters and compliance pressure
Estvold Oilfield Services, Inc.
Violation across 12 of the last 12 quarters in the imported ECHO record.
Mha Interpretive Center
Significant Violation across 11 of the last 12 quarters in the imported ECHO record.
Riverview Estates Wastewater Treatment Facility
Significant Violation across 11 of the last 12 quarters in the imported ECHO record.
Twin Buttes Wastewater Treatment Lagoons
Significant Violation across 11 of the last 12 quarters in the imported ECHO record.
Plaza City of
Violation Identified across 11 of the last 12 quarters in the imported ECHO record.
Ross City of
Significant noncompliance across 7 of the last 12 quarters in the imported ECHO record.
Eagle Rock Timber Inc.
Significant noncompliance across 6 of the last 12 quarters in the imported ECHO record.
New Town Water Resource Recovery Facility
Significant noncompliance across 6 of the last 12 quarters in the imported ECHO record.
Plaza City of
Significant noncompliance across 6 of the last 12 quarters in the imported ECHO record.
Stanley Mud Plant - Innovative Solutions Ltd
Significant Violation across 5 of the last 12 quarters in the imported ECHO record.
Ross City of
Significant Violation across 4 of the last 12 quarters in the imported ECHO record.
Enviro Waste Solutions
Significant noncompliance across 3 of the last 12 quarters in the imported ECHO record.
Powers Lake Watershed Project
Significant noncompliance across 3 of the last 12 quarters in the imported ECHO record.
Eagles Landing Convenience Store
No Violation Identified with $2,199 in recorded penalties.
Andeavor Field Services Llc - Robinson Lake Gas Plant
No Violation Identified
Aux Sable Midstream
No Violation Identified
Aux Sable Midstream Llc
No Violation Identified across 3 of the last 12 quarters in the imported ECHO record.
Palermo Pipeline Station
Significant Violation across 3 of the last 12 quarters in the imported ECHO record.
New Town Water Treatment Plant
No Violation Identified across 1 of the last 12 quarters in the imported ECHO record.
Ruach Resources Llc - Portable Wash Plant I
Violation Identified across 1 of the last 12 quarters in the imported ECHO record.
| Chemical | Group | Facilities | Total pounds |
|---|---|---|---|
| n-Hexane | TRI-listed chemical | 3 | 24,316 lbs |
| Methanol | TRI-listed chemical | 2 | 9,080 lbs |
| Benzene | Volatile organic compound | 1 | 0 lbs |
| Ethylbenzene | Volatile organic compound | 1 | 0 lbs |
| Ethylene glycol | TRI-listed chemical | 1 | 0 lbs |
| 1, 2, 4-Trimethylbenzene | Volatile organic compound | 1 | 0 lbs |
Violation pages
State-level violation context tied to this county
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Clean Air Act violations in North Dakota
North Dakota facilities in the imported ECHO data show air-program oversight, inspections, or noncompliance signals.
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Clean Water Act violations in North Dakota
North Dakota facilities in the imported ECHO data show water-permit pressure, inspections, or noncompliance signals.
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RCRA violations in North Dakota
North Dakota facilities in the imported ECHO data show hazardous-waste or RCRA oversight signals.