County page
Plymouth County
Plymouth County currently shows 1 Superfund site, 33 imported facility profiles, and 17,577 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 Plymouth County.
The latest loaded TRI year is 2024, with 17,577 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
Highway 3 Pce
Highway 3 Pce is in EPA's Superfund layer for Le Mars, IA. Live ingestion currently includes the official EPA detail links and geocoded site record.
Facilities
Worst polluters and compliance pressure
Smithco Manufacturing Incorporated
Significant Violation across 12 of the last 12 quarters, with $236,000 in recorded penalties.
Plymouth Energy Llc
Violation Identified across 8 of the last 12 quarters in the imported ECHO record.
Craig Water Works
Violation Identified across 11 of the last 12 quarters in the imported ECHO record.
Westfield City of Stp
Violation Identified across 10 of the last 12 quarters in the imported ECHO record.
South Ice Cream Plant
Violation Identified across 8 of the last 12 quarters in the imported ECHO record.
Akron, City Of-plant #1
Violation Identified across 9 of the last 12 quarters in the imported ECHO record.
Country Celebrations Event Center
Violation Identified across 9 of the last 12 quarters in the imported ECHO record.
Hinton City of Stp
Violation Identified across 6 of the last 12 quarters in the imported ECHO record.
Wells Enterprises Inc North Ice Cream Plant
Violation Identified across 5 of the last 12 quarters in the imported ECHO record.
Kingsley City of Stp
Violation Identified across 5 of the last 12 quarters in the imported ECHO record.
Merrill City of Stp
Significant noncompliance across 5 of the last 12 quarters in the imported ECHO record.
Akron City of Stp
Significant noncompliance across 4 of the last 12 quarters in the imported ECHO record.
Oyens City of Stp
Significant noncompliance across 4 of the last 12 quarters in the imported ECHO record.
Remsen City of Stp
Significant noncompliance across 3 of the last 12 quarters in the imported ECHO record.
Dfa Dairy Brands Fluid , Llc Dba Kemps
No Violation Identified across 1 of the last 12 quarters in the imported ECHO record.
Le Mars City of Stp
No Violation Identified across 2 of the last 12 quarters in the imported ECHO record.
Hinton Water Supply-plant #1, Well #4
No Violation Identified across 1 of the last 12 quarters in the imported ECHO record.
Hole N the Wall Lodge
No Violation Identified across 1 of the last 12 quarters in the imported ECHO record.
Oyens Water Supply-plant #1
No Violation Identified across 1 of the last 12 quarters in the imported ECHO record.
Prairie Sun Foods, Llc.
No Violation Identified. Last recorded ECHO inspection: 2025-08-25.
| Chemical | Group | Facilities | Total pounds |
|---|---|---|---|
| Acetaldehyde | TRI-listed chemical | 1 | 9,279 lbs |
| n-Hexane | TRI-listed chemical | 1 | 5,984 lbs |
| Methanol | TRI-listed chemical | 1 | 2,304 lbs |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | TRI-listed chemical | 4 | 5 lbs |
| Nitric acid | TRI-listed chemical | 3 | 5 lbs |
| Ethylbenzene | Volatile organic compound | 1 | 0 lbs |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | Metals and metal compounds | 1 | 0 lbs |
| Nickel compounds | Metals and metal compounds | 1 | 0 lbs |
| Benzene | Volatile organic compound | 1 | 0 lbs |
| Toluene | Volatile organic compound | 1 | 0 lbs |
| Xylene (mixed isomers) | Volatile organic compound | 1 | 0 lbs |
| Ammonia | 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 Iowa
Iowa facilities in the imported ECHO data show air-program oversight, inspections, or noncompliance signals.
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Clean Water Act violations in Iowa
Iowa facilities in the imported ECHO data show water-permit pressure, inspections, or noncompliance signals.
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RCRA violations in Iowa
Iowa facilities in the imported ECHO data show hazardous-waste or RCRA oversight signals.