County page
Hughes County
Hughes County currently shows 0 Superfund sites, 26 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 Hughes 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
Pierre Wwtp
Violation Identified across 4 of the last 12 quarters in the imported ECHO record.
Oahe
No Violation Identified across 1 of the last 12 quarters in the imported ECHO record.
Blunt, City of
No Violation Identified across 1 of the last 12 quarters in the imported ECHO record.
Pierre Regional Landfill
No Violation Identified. Last recorded ECHO inspection: 2025-06-12.
2020 Rural Hughes County Fttp
Under review. Last recorded ECHO inspection: 2022-08-03.
Aj's Repair
No Violation Identified. Last recorded ECHO inspection: 2022-09-13.
Blunt- City of
Under review. Last recorded ECHO inspection: 2022-05-24.
Brookstone Addition
Under review. Last recorded ECHO inspection: 2023-07-24.
Capital City Ford Lincoln Toyota
No Violation Identified. Last recorded ECHO inspection: 2022-08-11.
Capital One Carwash
Under review. Last recorded ECHO inspection: 2023-06-14.
Chapelle Investments Site Preparation
No Violation Identified. Last recorded ECHO inspection: 2023-07-24.
Codgers Castaway Development
No Violation Identified. Last recorded ECHO inspection: 2023-07-12.
Cow Creek Substation Grading
Under review. Last recorded ECHO inspection: 2023-06-14.
Denali Ridge Apartments
Under review. Last recorded ECHO inspection: 2023-06-14.
Farm Island Recreation Area
No Violation Identified. Last recorded ECHO inspection: 2025-07-14.
Harrold, Town of
No Violation Identified. Last recorded ECHO inspection: 2022-06-23.
Pierre Sports Center, Inc.
No Violation Identified. Last recorded ECHO inspection: 2023-09-21.
Pierre Wtp & Intake Improvements
Under review. Last recorded ECHO inspection: 2023-06-29.
Pierre, City of (biosolids)
No Violation Identified. Last recorded ECHO inspection: 2024-09-24.
River Watch Estates Subdivision
Under review. Last recorded ECHO inspection: 2023-06-14.
| Chemical | Group | Facilities | Total pounds |
|---|
Violation pages
State-level violation context tied to this county
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Clean Air Act violations in South Dakota
South Dakota facilities in the imported ECHO data show air-program oversight, inspections, or noncompliance signals.
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Clean Water Act violations in South Dakota
South Dakota facilities in the imported ECHO data show water-permit pressure, inspections, or noncompliance signals.
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RCRA violations in South Dakota
South Dakota facilities in the imported ECHO data show hazardous-waste or RCRA oversight signals.