County page
Jefferson County
Jefferson County currently shows 0 Superfund sites, 86 imported facility profiles, and 170,327 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 Jefferson County.
The latest loaded TRI year is 2024, with 170,327 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
Generac Power Systems
Violation across 8 of the last 12 quarters in the imported ECHO record.
Pond Hill Dairy, Llc
Violation Identified across 12 of the last 12 quarters in the imported ECHO record.
Jefferson Waterworks-abo850
Violation Identified across 12 of the last 12 quarters in the imported ECHO record.
Johnson Creek Waterworks
Violation Identified across 12 of the last 12 quarters in the imported ECHO record.
Lake Mills Waterworks-bg010
Violation Identified across 12 of the last 12 quarters in the imported ECHO record.
Parkview Apartments
Violation Identified across 12 of the last 12 quarters in the imported ECHO record.
Fort Atkinson Wastewater Treat
Violation Identified across 11 of the last 12 quarters in the imported ECHO record.
Whitewater City Wwtf
Violation Identified across 11 of the last 12 quarters in the imported ECHO record.
Blue Spring Lake Management District
Violation Identified across 10 of the last 12 quarters in the imported ECHO record.
Lake Mills Wastewater Treatment Facility
Violation Identified across 10 of the last 12 quarters in the imported ECHO record.
Palmyra Wastewater Treatment Facility
Violation Identified across 10 of the last 12 quarters in the imported ECHO record.
Spacious Acres Wi Mhc Wwtf
Violation Identified across 10 of the last 12 quarters in the imported ECHO record.
Sullivan Joint Treatment Facility
Violation Identified across 10 of the last 12 quarters in the imported ECHO record.
Watertown Wastewater Treatment
Violation Identified across 9 of the last 12 quarters in the imported ECHO record.
United Parcel Service, Inc. - Watertown
No Violation Identified with $5,300,000 in recorded penalties.
Aztalan Bio Llc
Significant noncompliance across 8 of the last 12 quarters in the imported ECHO record.
Ixonia Sanitary District # 1
Violation Identified across 8 of the last 12 quarters in the imported ECHO record.
Rock River Mobile Home Park
Violation Identified across 7 of the last 12 quarters in the imported ECHO record.
Mastermold Llc
No Violation Identified across 2 of the last 12 quarters in the imported ECHO record.
Nestle Purina Petcare Co
Significant noncompliance across 6 of the last 12 quarters in the imported ECHO record.
| Chemical | Group | Facilities | Total pounds |
|---|---|---|---|
| Certain glycol ethers | TRI-listed chemical | 2 | 46,089 lbs |
| Styrene | Volatile organic compound | 2 | 40,692 lbs |
| n-Butyl alcohol | TRI-listed chemical | 3 | 39,259 lbs |
| Acetaldehyde | TRI-listed chemical | 2 | 12,663 lbs |
| Sodium nitrite | TRI-listed chemical | 2 | 8,110 lbs |
| Formic acid | TRI-listed chemical | 1 | 5,937 lbs |
| Formaldehyde | TRI-listed chemical | 3 | 5,144 lbs |
| n-Hexane | TRI-listed chemical | 1 | 4,055 lbs |
| Acrolein | TRI-listed chemical | 1 | 2,508 lbs |
| Methanol | TRI-listed chemical | 2 | 2,266 lbs |
| Methyl methacrylate | TRI-listed chemical | 1 | 1,903 lbs |
| Ammonia | TRI-listed chemical | 3 | 1,500 lbs |
| Nickel | Metals and metal compounds | 4 | 110 lbs |
| Chromium | Metals and metal compounds | 4 | 82 lbs |
| Phthalic anhydride | TRI-listed chemical | 1 | 5 lbs |
| Zinc compounds | TRI-listed chemical | 1 | 4 lbs |
| Diisocyanates | TRI-listed chemical | 1 | 1 lbs |
| Toluene | Volatile organic compound | 2 | 0 lbs |
| 1, 4-Dioxane | TRI-listed chemical | 1 | 0 lbs |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | TRI-listed chemical | 1 | 0 lbs |
Violation pages
State-level violation context tied to this county
-
Clean Air Act violations in Wisconsin
Wisconsin facilities in the imported ECHO data show air-program oversight, inspections, or noncompliance signals.
-
Clean Water Act violations in Wisconsin
Wisconsin facilities in the imported ECHO data show water-permit pressure, inspections, or noncompliance signals.
-
RCRA violations in Wisconsin
Wisconsin facilities in the imported ECHO data show hazardous-waste or RCRA oversight signals.