County page
Union County
Union County currently shows 0 Superfund sites, 19 imported facility profiles, and 94,455 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 94,455 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
Creston City of Stp
Violation Identified across 12 of the last 12 quarters in the imported ECHO record.
Ups
No Violation Identified with $5,300,000 in recorded penalties.
Green Valley Chemical Corp
Significant Violation across 8 of the last 12 quarters in the imported ECHO record.
Arispe City of Stp
Violation Identified across 5 of the last 12 quarters in the imported ECHO record.
Sirwa Water Treatment Plant
Significant noncompliance across 5 of the last 12 quarters in the imported ECHO record.
Zfs - Creston
No Violation Identified. Last recorded ECHO inspection: 2025-06-24.
Wdc Acquisition Llc
No Violation Identified. Last recorded ECHO inspection: 2025-06-19.
Cromwell, City-stp -sirwa
Violation Identified across 4 of the last 12 quarters in the imported ECHO record.
American Concrete Products
No Violation Identified. Last recorded ECHO inspection: 2008-07-17.
Farmers Coop Co. - Afton Branch
No Violation Identified
Farmers Coop Co
No violation identified
Afton City Park Splashpad
No Violation Identified across 1 of the last 12 quarters in the imported ECHO record.
Three Mile Lake Campground-stp
No Violation Identified across 1 of the last 12 quarters in the imported ECHO record.
Afton City of Stp
No Violation Identified. Last recorded ECHO inspection: 2021-06-08.
Central Iowa Power Coop - Summit Lake
No Violation Identified. Last recorded ECHO inspection: 2024-04-24.
Creston City Water Treatment Plant
No Violation Identified. Last recorded ECHO inspection: 2022-03-31.
Lorimor City of Stp
No Violation Identified. Last recorded ECHO inspection: 2024-06-20.
Thayer City of Stp
No Violation Identified. Last recorded ECHO inspection: 2021-11-04.
Scci - Thayer Quarry
Under review. Last recorded ECHO inspection: 2023-08-08.
| Chemical | Group | Facilities | Total pounds |
|---|---|---|---|
| n-Hexane | TRI-listed chemical | 1 | 75,649 lbs |
| 1, 2, 4-Trimethylbenzene | Volatile organic compound | 1 | 14,508 lbs |
| Methanol | TRI-listed chemical | 2 | 3,267 lbs |
| Diisocyanates | TRI-listed chemical | 1 | 551 lbs |
| Formaldehyde | TRI-listed chemical | 2 | 254 lbs |
| Lead | Metals and metal compounds | 1 | 226 lbs |
Violation pages
State-level violation context tied to this county
-
Clean Air Act violations in Iowa
Iowa facilities in the imported ECHO data show air-program oversight, inspections, or noncompliance signals.
-
Clean Water Act violations in Iowa
Iowa facilities in the imported ECHO data show water-permit pressure, inspections, or noncompliance signals.
-
RCRA violations in Iowa
Iowa facilities in the imported ECHO data show hazardous-waste or RCRA oversight signals.