County page
Marathon County
Marathon County currently shows 4 Superfund sites, 127 imported facility profiles, and 3,006,131 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 Marathon County.
The latest loaded TRI year is 2024, with 3,006,131 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
Mid State Disposal Inc Landfill
Mid State Disposal Inc Landfill is in EPA's Superfund layer for Cleveland Township, WI. Live ingestion currently includes the official EPA detail links and geocoded site record.
Spickler Landfill
Spickler Landfill is in EPA's Superfund layer for Spencer, WI. Live ingestion currently includes the official EPA detail links and geocoded site record.
Unity Auto Mart
Unity Auto Mart is in EPA's Superfund layer for Unity, WI. Live ingestion currently includes the official EPA detail links and geocoded site record.
Wausau Ground Water Contamination
Wausau Ground Water Contamination is in EPA's Superfund layer for Wausau, WI. Live ingestion currently includes the official EPA detail links and geocoded site record.
Facilities
Worst polluters and compliance pressure
Crystal Finishing Systems Inc
Significant Violation across 12 of the last 12 quarters, with $350,000 in recorded penalties.
Mullins Cheese Factory-300
Significant Violation across 12 of the last 12 quarters in the imported ECHO record.
Ahlstrom Mosinee Llc
Significant Violation across 12 of the last 12 quarters in the imported ECHO record.
3m Wausau - Greystone Plant
Significant Violation across 12 of the last 12 quarters in the imported ECHO record.
Mullins Cheese Inc
Violation Identified across 11 of the last 12 quarters in the imported ECHO record.
Domtar Corp
Violation Identified across 10 of the last 12 quarters in the imported ECHO record.
Borregaard Usa Inc
Violation Identified across 10 of the last 12 quarters in the imported ECHO record.
3m Co - Wausau Downtown
Significant Violation across 12 of the last 12 quarters in the imported ECHO record.
Weston
Significant noncompliance across 5 of the last 12 quarters in the imported ECHO record.
Gpi Corp
Violation Identified across 7 of the last 12 quarters in the imported ECHO record.
Linetec Anodize
Significant Violation across 12 of the last 12 quarters in the imported ECHO record.
We Energies Rothschild Biomass Cogeneration Facility
Significant Violation across 12 of the last 12 quarters in the imported ECHO record.
Crystal Finishing Systems Inc - Mosinee
Significant Violation across 12 of the last 12 quarters in the imported ECHO record.
Denyon Homes Site
Violation Identified across 12 of the last 12 quarters in the imported ECHO record.
Harmony Specialty Dairy Foods, Llc
Violation Identified across 12 of the last 12 quarters in the imported ECHO record.
Marth Wood Shavings Supply Inc
Significant Violation across 12 of the last 12 quarters in the imported ECHO record.
Mosinee Sewage Collection System
Violation Identified across 12 of the last 12 quarters in the imported ECHO record.
Spencer Waterworks-tq446
Violation Identified across 12 of the last 12 quarters in the imported ECHO record.
Kerry Rothschild
Significant Violation across 8 of the last 12 quarters in the imported ECHO record.
Abbotsford Waterworks
Violation Identified across 12 of the last 12 quarters in the imported ECHO record.
| Chemical | Group | Facilities | Total pounds |
|---|---|---|---|
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | TRI-listed chemical | 7 | 2,045,781 lbs |
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | TRI-listed chemical | 3 | 448,450 lbs |
| Methanol | TRI-listed chemical | 6 | 165,614 lbs |
| Ammonia | TRI-listed chemical | 4 | 56,383 lbs |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | TRI-listed chemical | 3 | 47,472 lbs |
| Zinc compounds | TRI-listed chemical | 5 | 46,531 lbs |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | TRI-listed chemical | 2 | 43,325 lbs |
| Manganese compounds | TRI-listed chemical | 6 | 39,583 lbs |
| Lead compounds | Metals and metal compounds | 5 | 17,410 lbs |
| Hydrogen sulfide | TRI-listed chemical | 1 | 14,197 lbs |
| Vanadium compounds | TRI-listed chemical | 1 | 14,181 lbs |
| Copper compounds | TRI-listed chemical | 5 | 11,757 lbs |
| Xylene (mixed isomers) | Volatile organic compound | 4 | 10,304 lbs |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | Metals and metal compounds | 5 | 9,431 lbs |
| Acetaldehyde | TRI-listed chemical | 1 | 6,924 lbs |
| Ethylbenzene | Volatile organic compound | 3 | 4,931 lbs |
| Toluene | Volatile organic compound | 5 | 4,396 lbs |
| Certain glycol ethers | TRI-listed chemical | 3 | 4,186 lbs |
| Styrene | Volatile organic compound | 1 | 3,925 lbs |
| Formaldehyde | TRI-listed chemical | 2 | 2,370 lbs |
Violation pages
State-level violation context tied to this county
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Clean Air Act violations in Wisconsin
Wisconsin facilities in the imported ECHO data show air-program oversight, inspections, or noncompliance signals.
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Clean Water Act violations in Wisconsin
Wisconsin facilities in the imported ECHO data show water-permit pressure, inspections, or noncompliance signals.
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RCRA violations in Wisconsin
Wisconsin facilities in the imported ECHO data show hazardous-waste or RCRA oversight signals.