Walworth, WI
A PlainEnviro-computed score from reported facility/violation counts, not an official EPA rating, health forecast, or population-adjusted rate. See methodology.
Environmental data for Walworth in Wisconsin · Population: 105,447
Walworth, WI is tracked across three EPA datasets covering 22 Toxics Release Inventory (TRI) facilities, 26 Safe Drinking Water Act systems, and 0 Superfund National Priorities List sites. Together these generate an environmental burden score of 44/100 (Moderate Risk), calibrated against national distributions for facility density, chemical release volume, Superfund concentration, and water-system health violations.
Industrial disclosures inside the county total 186.2K lbs of reported toxic releases under EPCRA Section 313, while 12 water systems carry an active health-based violation in the SDWIS record. EPA Air Quality System monitors logged a median AQI of 42 and a peak AQI of 100 in 2024, with 82% of observed days rated "Good" (0–50).
All figures below draw directly from federal EPA records, TRI self-reported emissions, SDWIS compliance history, NPL Hazard Ranking System scores, and AQS daily AQI summaries, and are not adjusted, weighted, or forecast. A past violation or elevated score does not itself indicate current unsafe conditions; it documents the regulatory and disclosure history publicly filed with the U.S. Environmental Protection Agency through the most recent reporting cycle.
Air Quality History (2020–2024)
EPA Air Quality Index (AQI) data showing how many days per year fall into each air quality category.
| Year | Good | Moderate | Unhealthy (SG) | Max AQI |
|---|---|---|---|---|
| 2024 | 169 (82%) | 37 | 0 | 100 |
| 2023 | 138 (68%) | 48 | 17 | 143 |
| 2022 | 181 (91%) | 16 | 3 | 105 |
| 2021 | 184 (83%) | 36 | 1 | 101 |
| 2020 | 180 (91%) | 14 | 4 | 136 |
Source: EPA Air Quality System (AQS) Annual AQI by County EPA Air Quality System (AQS) Annual AQI by County AQI categories: Good (0-50), Moderate (51-100), Unhealthy for Sensitive Groups (101-150), Unhealthy (151-200), Very Unhealthy (201-300), Hazardous (301+)
For real-time air quality readings and pollutant breakdowns in Wisconsin, see the EPA's AirNow.gov.
Water Systems (26)
| System | Population | Violations |
|---|---|---|
| WHITEWATER WATERWORKS | 14,000 | 0 |
| ELKHORN WATERWORKS | 10,317 | 26 |
| DELAVAN WATERWORKS | 8,451 | 0 |
| LAKE GENEVA UTILITY COMMISSION | 7,107 | 1 |
| EAST TROY WATERWORKS | 5,054 | 0 |
| BLOOMFIELD, VILLAGE OF | 4,071 | 6 |
| LAKE COMO SANITARY DIST 1 | 3,038 | 0 |
| GENOA CITY WATERWORKS | 2,766 | 9 |
| WILLIAMS BAY WATERWORKS | 2,601 | 1 |
| WALWORTH WATERWORKS | 2,304 | 1 |
| GENEVA NATIONAL COMMUNITY SERVICES | 2,250 | 0 |
| FONTANA WATER UTILITY | 1,839 | 1 |
| DARIEN WATERWORKS | 1,573 | 0 |
| SHARON WATERWORKS | 1,549 | 6 |
| INTERLAKEN RESORT AND VILLAGE | 500 | 2 |
| WRIGHTS MOBILE HOME PARK | 240 | 2 |
| TROY CENTER SANITARY DISTRICT | 170 | 0 |
| LUDWELL ESTATES | 100 | 1 |
| CAPRON MHP | 90 | 0 |
| TOWN HALL APTS | 90 | 0 |
| INSPIRATION MINISTRIES & MEADOWS APTS | 80 | 0 |
| VINTAGE ON THE PONDS | 60 | 0 |
| WOLFS MOBILE HOMES | 40 | 0 |
| EAST TROY S D 3 | 40 | 1 |
| ELIZABETH MANOR APTS | 30 | 0 |
| SNUG HARBOR INN MHP | 30 | 0 |
TRI Facilities (22)
| # | Facility | Total Releases |
|---|---|---|
| 1 | Plymouth Tube Trent Plant | 89.1K lbs |
| 2 | Brunk Industries Inc. | 31.0K lbs |
| 3 | Getzen Co Inc. | 22.6K lbs |
| 4 | Hudapack Metal Treating Inc | 18.9K lbs |
| 5 | Conagra Foods Packaged Foods LLC | 16.4K lbs |
| 6 | Hexpol - Whitewater | 3.4K lbs |
| 7 | Stellana US | 1.4K lbs |
| 8 | Usg Interiors LLC | 1.3K lbs |
| 9 | R&l Spring Co | 1.1K lbs |
| 10 | Usg Structural Technologies LLC | 460 lbs |
| 11 | Wisconsin Precision Casting Corp | 113 lbs |
| 12 | Precision Plus Inc. | 102 lbs |
| 13 | Wisconsin Precision Casting Corp | 93 lbs |
| 14 | Applied Material Solutions Inc | 40 lbs |
| 15 | Coperion Process Solutions LLC | 18 lbs |
| 16 | Spx Flow US LLC | 13 lbs |
| 17 | Pentair Flow Technologies | 5 lbs |
| 18 | Exacto LLC | 5 lbs |
| 19 | Spx Flow US LLC | 4 lbs |
| 20 | Professional Power Products Inc | 0 lbs |
| 21 | Intertractor America Corp | 0 lbs |
| 22 | Iseli Precision LLC | 0 lbs |
Cities in Walworth (7)
Frequently Asked Questions
What is the environmental risk level in Walworth, Wisconsin? ▼
Are there Superfund sites in Walworth? ▼
How many toxic release facilities are in Walworth? ▼
What is the air quality in Walworth? ▼
Is the drinking water safe in Walworth? ▼
What environmental agencies cover Walworth? ▼
What does this county environmental profile show?
This county environmental profile rolls up EPA Toxics Release Inventory facility reports, Safe Drinking Water Information System public-water-system filings, and Superfund National Priorities List sites for the county boundary defined by the U.S. Census Bureau. Facility counts reflect facilities with a reporting address inside the county, not where downstream environmental effects may be observed. Population figures are from the most recent Census ACS 5-year estimate. The county detail page is updated whenever the upstream EPA programs publish revised data; see the methodology page for the documented ingest cadence and the editorial choices governing how aggregations are computed.
Read our methodology - how this data is sourced, computed, and verified.