Lead Exceeds EPA Action Level at 1 ZIP - Joliet, IL
6 ZIP codes · 161 EPA violations on record for mapped water systems
Data source: ZipCheckup Home Safety Score registry; EPA SDWIS; EPA radon; EPA AirNow
ZipCheckup compares 6 ZIP codes across Joliet, IL. The area averages a grade B (70/100); water systems associated with 5 ZIP codes have recorded EPA violations.
Home-safety conditions vary across Joliet, IL. We compared 6 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 B (70/100)
| Grade | Neighborhoods | % |
|---|---|---|
| A | 0 | 0% |
| B | 2 | 40% |
| C | 3 | 60% |
| D | 0 | 0% |
| F | 0 | 0% |
Neighborhood Rankings
Mapped ZIP codes in Joliet ranked by Home Safety Score:
| Rank | ZIP Code | Score | Grade | Violations | Lead Risk |
|---|---|---|---|---|---|
| 1 | 60432 | 79 | B | 47 | Above EPA action level |
| 2 | 60435 | 70 | B | 45 | 0.0065 mg/L |
| 3 | 60431 | 68 | C | 53 | 0.0065 mg/L |
| 4 | 60433 | 67 | C | 61 | 0.0065 mg/L |
| 5 | 60436 | 67 | C | 53 | 0.0065 mg/L |
| 6 | 60434 | — | — | — | No data |
How Neighborhoods Compare
Each ZIP code compared to county and state averages:
- 1 neighborhoods score better than county average
- 4 neighborhoods score worse than county average
EPA Violations
- 161 total violations since 2021 across the water systems mapped to Joliet ZIP codes (each system counted once; includes small systems beyond the city utility)
- 4 health-based violation records in the available EPA data
- 5 of 5 directly mapped ZIP records are mapped to water systems with recorded violations
- 1 of 5 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 |
|---|---|---|
| Public Notice Rule | 35 | 4 |
| Revised Total Coliform Rule | 28 | 5 |
| Chlorine | 28 | 5 |
| Polychlorinated biphenyls (PCBs) | 21 | 5 |
| Lead and Copper Rule Revisions | 19 | 5 |
Frequently Asked Questions
Which ZIP code in Joliet has the highest home safety score?
ZIP code 60432 has the highest safety score among scored ZIP codes in Joliet at 79/100 (grade B). Check the full report for details.
Is Joliet water safe to drink?
The Home Safety Score is not a drinking-water grade. Across 5 directly mapped ZIP records, 161 EPA violations are recorded; 1 of 5 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.