County page
Yankton County
Yankton County currently shows 0 Superfund sites, 45 imported facility profiles, and 28,694 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 Yankton County.
The latest loaded TRI year is 2024, with 28,694 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
United Parcel Service - Yankton
No Violation Identified with $5,300,000 in recorded penalties.
Hydro Extrusions Llc
No Violation Identified across 3 of the last 12 quarters in the imported ECHO record.
Lesterville, Town of
Significant noncompliance across 4 of the last 12 quarters in the imported ECHO record.
Lesterville
Significant noncompliance across 4 of the last 12 quarters in the imported ECHO record.
Manitou Americas Inc
No Violation Identified across 1 of the last 12 quarters in the imported ECHO record.
Kolberg-pioneer Inc
No Violation Identified. Last recorded ECHO inspection: 2025-07-16.
Wilson Trailer Company
No Violation Identified. Last recorded ECHO inspection: 2015-08-12.
Wastewater Treatment Plant
Violation Identified across 2 of the last 12 quarters in the imported ECHO record.
Mission Hill, Town of
No Violation Identified across 2 of the last 12 quarters in the imported ECHO record.
L & M Radiator, Inc.
No Violation Identified across 1 of the last 12 quarters in the imported ECHO record.
Timberland Park
No Violation Identified across 2 of the last 12 quarters in the imported ECHO record.
Cimpl's Inc
No Violation Identified across 1 of the last 12 quarters in the imported ECHO record.
Northern Lights Mobile Home Park
Inactive across 1 of the last 12 quarters in the imported ECHO record.
Utica
No Violation Identified across 1 of the last 12 quarters in the imported ECHO record.
Baldwin Filters Inc.
No Violation Identified. Last recorded ECHO inspection: 2023-07-13.
Vishay-dale Electronics
No Violation Identified. Last recorded ECHO inspection: 2025-09-23.
Concrete Materials Company
No Violation Identified. Last recorded ECHO inspection: 2016-07-01.
Applied Engineering
No Violation Identified. Last recorded ECHO inspection: 2025-07-02.
Fair Manufacturing, Inc.
No Violation Identified. Last recorded ECHO inspection: 2025-09-25.
Mount Marty University
No Violation Identified. Last recorded ECHO inspection: 2025-09-25.
| Chemical | Group | Facilities | Total pounds |
|---|---|---|---|
| Hydrogen fluoride | TRI-listed chemical | 1 | 16,453 lbs |
| Certain glycol ethers | TRI-listed chemical | 1 | 6,657 lbs |
| Xylene (mixed isomers) | Volatile organic compound | 1 | 3,696 lbs |
| n-Butyl alcohol | TRI-listed chemical | 1 | 839 lbs |
| Toluene | Volatile organic compound | 1 | 547 lbs |
| Manganese | TRI-listed chemical | 3 | 465 lbs |
| Copper | TRI-listed chemical | 3 | 17 lbs |
| Chromium | Metals and metal compounds | 1 | 8 lbs |
| Dioxin and dioxin-like compounds | TRI-listed chemical | 1 | 7 lbs |
| Lead | Metals and metal compounds | 4 | 4 lbs |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | Metals and metal compounds | 1 | 1 lbs |
| Polycyclic aromatic compounds | TRI-listed chemical | 1 | 0 lbs |
| Diisocyanates | TRI-listed chemical | 1 | 0 lbs |
| Mercury | TRI-listed chemical | 1 | 0 lbs |
| Peracetic acid | TRI-listed chemical | 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.