County page
Lake County
Lake County currently shows 0 Superfund sites, 17 imported facility profiles, and 33,491 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 Lake County.
The latest loaded TRI year is 2024, with 33,491 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
Dakota Ethanol
Significant noncompliance across 5 of the last 12 quarters in the imported ECHO record.
Ramona, Town of
No Violation Identified across 2 of the last 12 quarters, with $200 in recorded penalties.
Manitou Equipment America, Llc. - Madison
No Violation Identified. Last recorded ECHO inspection: 2025-09-16.
Madison-treatment Plant
No Violation Identified across 1 of the last 12 quarters in the imported ECHO record.
Lake Madison Sanitary District
No Violation Identified across 1 of the last 12 quarters in the imported ECHO record.
Persona, Inc.
No Violation Identified. Last recorded ECHO inspection: 2022-07-06.
Arctic Cat Inc.
No Violation Identified. Last recorded ECHO inspection: 2022-11-02.
Blucabana Campground
No Violation Identified. Last recorded ECHO inspection: 2021-05-11.
Chester Sanitary District
No Violation Identified. Last recorded ECHO inspection: 2024-07-18.
Gulbranson Addition
No Violation Identified. Last recorded ECHO inspection: 2021-05-11.
Infotech - New Office Building
No Violation Identified. Last recorded ECHO inspection: 2021-05-11.
Madison, City of (biosolids)
No Violation Identified. Last recorded ECHO inspection: 2025-08-19.
Runnings Retail Store - Madison Sd
Under review. Last recorded ECHO inspection: 2022-08-24.
Sd Gfp - Lake Herman
No Violation Identified. Last recorded ECHO inspection: 2023-08-30.
Smiths Cove Development
Under review. Last recorded ECHO inspection: 2022-08-24.
Water System Improvements
Under review. Last recorded ECHO inspection: 2021-05-11.
Wentworth, Town of
No Violation Identified. Last recorded ECHO inspection: 2024-07-19.
| Chemical | Group | Facilities | Total pounds |
|---|---|---|---|
| Acetaldehyde | TRI-listed chemical | 1 | 14,004 lbs |
| Methanol | TRI-listed chemical | 1 | 10,005 lbs |
| Ammonia | TRI-listed chemical | 1 | 5,904 lbs |
| Formaldehyde | TRI-listed chemical | 1 | 3,511 lbs |
| Manganese | TRI-listed chemical | 1 | 66 lbs |
| Chromium | Metals and metal compounds | 1 | 1 lbs |
| Toluene | Volatile organic compound | 1 | 0 lbs |
| Benzene | Volatile organic compound | 1 | 0 lbs |
| Ethylbenzene | Volatile organic compound | 1 | 0 lbs |
| Xylene (mixed isomers) | 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 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.