County page
Rock County
Rock County currently shows 2 Superfund sites, 92 imported facility profiles, and 207,053 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 Rock County.
The latest loaded TRI year is 2024, with 207,053 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
Janesville Ash Beds
Janesville Ash Beds is in EPA's Superfund layer for Janesville, WI. Live ingestion currently includes the official EPA detail links and geocoded site record.
Janesville Old Landfill
Janesville Old Landfill is in EPA's Superfund layer for Janesville, WI. Live ingestion currently includes the official EPA detail links and geocoded site record.
Facilities
Worst polluters and compliance pressure
Rathgibson Janesville Llc
Significant Violation across 12 of the last 12 quarters, with $300,712 in recorded penalties.
Iki Mfg Co Inc
Significant Violation across 12 of the last 12 quarters, with $2,000 in recorded penalties.
Evonik Industries
No Violation Identified across 3 of the last 12 quarters, with $80,000 in recorded penalties.
Midwest Biofuel, Llc
Significant Violation across 12 of the last 12 quarters in the imported ECHO record.
Birchwood Trailer Court
Violation Identified across 12 of the last 12 quarters in the imported ECHO record.
Caravilla Education and Rehab Center-ho404
Violation Identified across 12 of the last 12 quarters in the imported ECHO record.
Yahara Valley Elementary School
Violation Identified across 12 of the last 12 quarters in the imported ECHO record.
Evansville Wastewater Treatment Facility
Significant noncompliance across 10 of the last 12 quarters in the imported ECHO record.
Larson Acres, Inc.
Violation Identified across 10 of the last 12 quarters in the imported ECHO record.
Milton Waterworks
Violation Identified across 10 of the last 12 quarters in the imported ECHO record.
Springbrook Village Mhc
Violation Identified across 10 of the last 12 quarters in the imported ECHO record.
Wpl - Riverside Energy Center
Violation Identified across 10 of the last 12 quarters in the imported ECHO record.
Consolidated Koshkonong Sanitary District Site
Significant noncompliance across 9 of the last 12 quarters in the imported ECHO record.
Plymouth Town Sanitary District #1 Wwtf
Violation Identified across 9 of the last 12 quarters in the imported ECHO record.
Alliant Energy Company
Significant noncompliance across 8 of the last 12 quarters in the imported ECHO record.
Clinton Wastewater Treatment Facility
Violation Identified across 8 of the last 12 quarters in the imported ECHO record.
Orfordville Wastewater Treatment Facility
Violation Identified across 8 of the last 12 quarters in the imported ECHO record.
Rock County Christian School
Significant noncompliance across 8 of the last 12 quarters in the imported ECHO record.
Shady Hill Mobile Home Park
Violation Identified across 7 of the last 12 quarters in the imported ECHO record.
Edgerton Wastewater Treatment Facility
Significant noncompliance across 6 of the last 12 quarters in the imported ECHO record.
| Chemical | Group | Facilities | Total pounds |
|---|---|---|---|
| Ozone | TRI-listed chemical | 1 | 168,823 lbs |
| Formic acid | TRI-listed chemical | 1 | 16,659 lbs |
| Ammonia | TRI-listed chemical | 3 | 11,294 lbs |
| Chloromethane | TRI-listed chemical | 2 | 4,064 lbs |
| Acetaldehyde | TRI-listed chemical | 2 | 3,421 lbs |
| Toluene | Volatile organic compound | 2 | 906 lbs |
| Acrylonitrile | TRI-listed chemical | 1 | 471 lbs |
| Methanol | TRI-listed chemical | 2 | 417 lbs |
| Manganese | TRI-listed chemical | 4 | 202 lbs |
| Propylene oxide | TRI-listed chemical | 2 | 167 lbs |
| Ethylene oxide | TRI-listed chemical | 3 | 161 lbs |
| Dimethyl sulfate | TRI-listed chemical | 2 | 59 lbs |
| Copper | TRI-listed chemical | 3 | 43 lbs |
| Diethyl sulfate | TRI-listed chemical | 1 | 38 lbs |
| Chromium | Metals and metal compounds | 4 | 30 lbs |
| Nickel | Metals and metal compounds | 5 | 27 lbs |
| 1, 4-Dioxane | TRI-listed chemical | 1 | 25 lbs |
| Certain glycol ethers | TRI-listed chemical | 2 | 24 lbs |
| Benzyl chloride | TRI-listed chemical | 1 | 13 lbs |
| 1, 2-Butylene oxide | TRI-listed chemical | 1 | 11 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.