County page
Mitchell County
Mitchell County currently shows 0 Superfund sites, 29 imported facility profiles, and 35,566 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 Mitchell County.
The latest loaded TRI year is 2024, with 35,566 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
Valent Biosciences Corp
Violation across 12 of the last 12 quarters, with $107,214 in recorded penalties.
Riceville City of Stp
Significant noncompliance across 8 of the last 12 quarters, with $5,000 in recorded penalties.
Mitchell County Ww Pretreatment Plant
Violation Identified across 7 of the last 12 quarters, with $1,600 in recorded penalties.
Orchard Water Works-plant #1
Violation Identified across 11 of the last 12 quarters in the imported ECHO record.
Osage Motel-plant #1
Violation Identified across 11 of the last 12 quarters in the imported ECHO record.
Osage City of Stp
Significant Violation across 10 of the last 12 quarters in the imported ECHO record.
Saint Ansgar Wwtp
Violation Identified across 10 of the last 12 quarters in the imported ECHO record.
Absolute Energy Llc
Violation Identified across 1 of the last 12 quarters in the imported ECHO record.
Carpenter City of Stp
Violation Identified across 3 of the last 12 quarters in the imported ECHO record.
Grain Millers Inc
No Violation Identified across 1 of the last 12 quarters in the imported ECHO record.
Orchard City of Stp
Violation Identified across 1 of the last 12 quarters in the imported ECHO record.
Carpenter Bar/grill-plant #1
No Violation Identified across 1 of the last 12 quarters in the imported ECHO record.
Deer Creek Lutheran Church-treatment Plant
No Violation Identified across 1 of the last 12 quarters in the imported ECHO record.
Sunny Brae Golf & Country Club-plant #1
No Violation Identified across 1 of the last 12 quarters in the imported ECHO record.
Osage
No Violation Identified. Last recorded ECHO inspection: 2023-05-05.
Rr Donnelley Inc - Osage
No Violation Identified. Last recorded ECHO inspection: 2022-05-17.
Tops Products Osage
No Violation Identified. Last recorded ECHO inspection: 2022-05-17.
A To Z Drying Inc-north & South Plants
No Violation Identified. Last recorded ECHO inspection: 2025-02-06.
Osage Wwtp
No Violation Identified. Last recorded ECHO inspection: 2024-12-31.
Stacyville, City of Stp
No Violation Identified. Last recorded ECHO inspection: 2024-07-30.
| Chemical | Group | Facilities | Total pounds |
|---|---|---|---|
| Ammonia | TRI-listed chemical | 2 | 9,410 lbs |
| Methanol | TRI-listed chemical | 1 | 9,000 lbs |
| Acetaldehyde | TRI-listed chemical | 1 | 6,586 lbs |
| n-Hexane | TRI-listed chemical | 1 | 4,429 lbs |
| Acrolein | TRI-listed chemical | 1 | 2,888 lbs |
| Formaldehyde | TRI-listed chemical | 1 | 2,563 lbs |
| Hydrogen sulfide | TRI-listed chemical | 1 | 690 lbs |
| Benzene | Volatile organic compound | 1 | 0 lbs |
| Piperonyl butoxide | TRI-listed chemical | 1 | 0 lbs |
| Cyclohexane | TRI-listed chemical | 1 | 0 lbs |
| Lead | Metals and metal compounds | 1 | 0 lbs |
| Manganese | TRI-listed chemical | 1 | 0 lbs |
| Permethrin | TRI-listed chemical | 1 | 0 lbs |
| Nickel | Metals and metal compounds | 1 | 0 lbs |
| Nitric acid | TRI-listed chemical | 2 | 0 lbs |
| Chromium | Metals and metal compounds | 1 | 0 lbs |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | TRI-listed chemical | 1 | 0 lbs |
| Toluene | 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 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.