County page
Union County
Union County currently shows 0 Superfund sites, 24 imported facility profiles, and 15 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 Union County.
The latest loaded TRI year is 2024, with 15 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
Beresford, City of
Violation Identified across 11 of the last 12 quarters in the imported ECHO record.
Alcester
Significant noncompliance across 9 of the last 12 quarters in the imported ECHO record.
Alkota Cleaning Systems Inc
Significant Violation across 5 of the last 12 quarters in the imported ECHO record.
North Sioux City, City of
Significant noncompliance across 4 of the last 12 quarters in the imported ECHO record.
Alcester, City of
No Violation Identified across 2 of the last 12 quarters in the imported ECHO record.
Royal Canin Usa Inc
No Violation Identified. Last recorded ECHO inspection: 2015-06-17.
Clay Rural Water System - Wynstone
No Violation Identified across 1 of the last 12 quarters in the imported ECHO record.
Elk Point, City of
Violation Identified across 1 of the last 12 quarters in the imported ECHO record.
Terex Load King Div
No Violation Identified. Last recorded ECHO inspection: 2024-01-18.
Alkota Cleaning Systems, Inc. Research and Development
No Violation Identified. Last recorded ECHO inspection: 2024-01-18.
Berg's Auto Mall, Inc.
No Violation Identified. Last recorded ECHO inspection: 2025-04-23.
Coffee Cup Fuel Stops
No Violation Identified. Last recorded ECHO inspection: 2024-04-30.
Custom Coils Inc
No Violation Identified. Last recorded ECHO inspection: 2024-12-05.
Dakota Plains Dairy-site #2 East
No Violation Identified. Last recorded ECHO inspection: 2025-09-18.
Empirical Technology
No Violation Identified. Last recorded ECHO inspection: 2022-09-21.
Farmers Union Coop Assn
No Violation Identified. Last recorded ECHO inspection: 2024-04-30.
Jefferson, City of
No Violation Identified. Last recorded ECHO inspection: 2026-02-05.
K & K Mobile Storage
No Violation Identified. Last recorded ECHO inspection: 2021-05-27.
Lanast Llc Dba Arctic Ice
No Violation Identified. Last recorded ECHO inspection: 2022-09-21.
Mccook Lake Rehabilitation
No Violation Identified. Last recorded ECHO inspection: 2025-06-30.
| Chemical | Group | Facilities | Total pounds |
|---|---|---|---|
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | TRI-listed chemical | 1 | 15 lbs |
| Zinc (fume or dust) | TRI-listed chemical | 1 | 0 lbs |
| Chromium | Metals and metal compounds | 1 | 0 lbs |
| Cobalt | TRI-listed chemical | 1 | 0 lbs |
| Copper | TRI-listed chemical | 1 | 0 lbs |
| Lead | Metals and metal compounds | 1 | 0 lbs |
| Manganese | TRI-listed chemical | 1 | 0 lbs |
| Nickel | Metals and metal compounds | 1 | 0 lbs |
| Copper compounds | TRI-listed chemical | 1 | 0 lbs |
| Manganese compounds | TRI-listed chemical | 1 | 0 lbs |
| Zinc compounds | 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.