Janesville, WI Home Safety by Neighborhood - Water Issues Recorded
4 ZIP codes · 4 EPA violations on record for mapped water systems
Data source: ZipCheckup Home Safety Score registry; EPA SDWIS; EPA radon; EPA AirNow
ZipCheckup compares 4 ZIP codes across Janesville, WI. The area averages a grade C (66/100); water systems associated with 2 ZIP codes have recorded EPA violations.
Home-safety conditions vary across Janesville, WI. We compared 4 ZIP codes using the current versioned Home Safety Score. Water compliance remains one component alongside PFAS screening, radon, and annual air quality.
City Overview: Grade C (66/100)
| Grade | Neighborhoods | % |
|---|---|---|
| A | 0 | 0% |
| B | 0 | 0% |
| C | 3 | 100% |
| D | 0 | 0% |
| F | 0 | 0% |
Neighborhood Rankings
Mapped ZIP codes in Janesville ranked by Home Safety Score:
| Rank | ZIP Code | Score | Grade | Violations | Lead Risk |
|---|---|---|---|---|---|
| 1 | 53546 | 67 | C | 0 | 0.0100 mg/L |
| 2 | 53545 | 66 | C | 3 | 0.0101 mg/L |
| 3 | 53548 | 65 | C | 4 | 0.0101 mg/L |
| 4 | 53547 | — | — | — | No data |
How Neighborhoods Compare
Each ZIP code compared to county and state averages:
- 2 neighborhoods score better than county average
- 1 neighborhoods score worse than county average
EPA Violations
- 4 total violations since 2021 across the water systems mapped to Janesville ZIP codes (each system counted once; includes small systems beyond the city utility)
- 1 health-based violation records in the available EPA data
- 2 of 3 directly mapped ZIP records are mapped to water systems with recorded violations
- 0 of 3 ZIP records with known lead status are served by a system whose 90th-percentile lead result exceeded the EPA action level
Top Contaminants
| Contaminant | Violations | ZIPs |
|---|---|---|
| Consumer Confidence Rule | 4 | 2 |
| Lead and Copper Rule Revisions | 2 | 2 |
| Stage 1 Disinfectants and Disinfection Byproducts Rule | 1 | 1 |
Frequently Asked Questions
Which ZIP code in Janesville has the highest home safety score?
ZIP code 53546 has the highest safety score among scored ZIP codes in Janesville at 67/100 (grade C). Check the full report for details.
Is Janesville water safe to drink?
The Home Safety Score is not a drinking-water grade. Across 3 directly mapped ZIP records, 4 EPA violations are recorded; 0 of 3 records with known lead status exceed the action level. Check the specific ZIP and serving system before drawing a property-level conclusion.
Related Pages
Data Sources
- EPA SDWIS
- U.S. Census Bureau
Reporting periods vary by source; the page metadata identifies this materialization.