County page
Dewey County
Dewey County currently shows 0 Superfund sites, 17 imported facility profiles, and 0 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 Dewey County.
The latest loaded TRI year is 2024, with 0 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
Cherry Creek Wastewater Treatment Facility
Significant Violation across 11 of the last 12 quarters in the imported ECHO record.
Eagle Butte Wwtf
Violation Identified across 10 of the last 12 quarters in the imported ECHO record.
Eagle Butte Water Supply
Significant noncompliance across 7 of the last 12 quarters in the imported ECHO record.
Timber Lake Wastewater Treatment Facility
Significant Violation across 4 of the last 12 quarters in the imported ECHO record.
Nh-8 0212(184)143, Dewey County, Pcn 04xg
Under review with $2,100 in recorded penalties.
Timber Lake Service Company
No Violation Identified with $2,445 in recorded penalties.
Eagle Stop
No Violation Identified with $2,009 in recorded penalties.
White Horse Community of
No Violation Identified across 2 of the last 12 quarters in the imported ECHO record.
Habitat For Humanity
Under review. Last recorded ECHO inspection: 2023-06-26.
La Plant Wastewater Treatment Facility
No Violation Identified. Last recorded ECHO inspection: 2023-06-26.
Maher Cattle
Under review. Last recorded ECHO inspection: 2023-06-27.
Mni Waste Elk Pasture Wwtf
No Violation Identified. Last recorded ECHO inspection: 2023-06-26.
Ridgeview Wastewater Treatment Facility
No Violation Identified. Last recorded ECHO inspection: 2023-06-26.
Ted's Service
No Violation Identified. Last recorded ECHO inspection: 2024-09-18.
Whitehorse Wastewater Facility
No Violation Identified. Last recorded ECHO inspection: 2023-06-26.
Harold Locken
No Violation Identified. Last recorded ECHO inspection: 2024-05-15.
Jack's Service (formerly D & D Oil)
No Violation Identified. Last recorded ECHO inspection: 2024-05-15.
| Chemical | Group | Facilities | Total pounds |
|---|
Violation pages
State-level violation context tied to this county
-
Clean Air Act violations in South Dakota
South Dakota facilities in the imported ECHO data show air-program oversight, inspections, or noncompliance signals.
-
Clean Water Act violations in South Dakota
South Dakota facilities in the imported ECHO data show water-permit pressure, inspections, or noncompliance signals.
-
RCRA violations in South Dakota
South Dakota facilities in the imported ECHO data show hazardous-waste or RCRA oversight signals.