Norwalk, CT Home Safety by Neighborhood - Water Issues Recorded
11 ZIP codes · 134 EPA violations
Data source: ZipCheckup Home Safety Score registry; EPA SDWIS; EPA radon; EPA AirNow
ZipCheckup compares 11 ZIP codes across Norwalk, CT. The area averages a grade C (56/100); 5 ZIP codes carry recorded EPA violations.
Home-safety conditions vary across Norwalk, CT. We compared 11 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 (56/100)
| Grade | Neighborhoods | % |
|---|---|---|
| A | 0 | 0% |
| B | 0 | 0% |
| C | 2 | 40% |
| D | 3 | 60% |
| F | 0 | 0% |
Neighborhood Rankings
Every ZIP code in Norwalk ranked by Home Safety Score:
| Rank | ZIP Code | Score | Grade | Violations | Lead Risk |
|---|---|---|---|---|---|
| 1 | 06853 | 66 | C | 26 | No data |
| 2 | 06854 | 66 | C | 27 | 0.0020 mg/L |
| 3 | 06850 | 49 | D | 27 | 0.0020 mg/L |
| 4 | 06851 | 49 | D | 27 | No data |
| 5 | 06855 | 49 | D | 27 | No data |
| 6 | 06852 | — | — | — | No data |
| 7 | 06856 | — | — | — | No data |
| 8 | 06857 | — | — | — | No data |
| 9 | 06858 | — | — | — | No data |
| 10 | 06859 | — | — | — | No data |
| 11 | 06860 | — | — | — | No data |
How Neighborhoods Compare
Each ZIP code compared to county and state averages:
- 5 neighborhoods score better than county average
- 0 neighborhoods score worse than county average
EPA Violations
- 134 total violations across Norwalk
- 0 health-based violations
- 5 of 5 directly mapped ZIP records have violations
- 0 of 5 ZIP records with known lead status exceed the EPA action level
Top Contaminants
| Contaminant | Violations | ZIPs |
|---|---|---|
| Barium | 10 | 5 |
| Cadmium | 10 | 5 |
| Chromium | 10 | 5 |
| Fluoride | 10 | 5 |
| Selenium | 10 | 5 |
Frequently Asked Questions
What is the safest neighborhood in Norwalk?
ZIP code 06853 has the highest safety score in Norwalk at 66/100 (grade C). Check the full report for details.
Is Norwalk water safe to drink?
The Home Safety Score is not a drinking-water grade. Across 5 directly mapped ZIP records, 134 EPA violations are recorded; 0 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.