Waterbury, CT Neighborhood Water Quality — Grade C
16 ZIP codes · 352 EPA violations
Data source: EPA SDWIS Last verified: 2026-06-04
Water quality varies significantly across Waterbury, CT. We analyzed 16 ZIP codes to help you compare neighborhoods by water safety, lead risk, and EPA compliance.
City Overview: Grade C (62/100)
| Grade | Neighborhoods | % |
|---|---|---|
| A | 0 | 0% |
| B | 0 | 0% |
| C | 16 | 100% |
| D | 0 | 0% |
| F | 0 | 0% |
Neighborhood Rankings
Every ZIP code in Waterbury ranked by Home Safety Score:
| Rank | ZIP Code | Score | Grade | Violations | Lead Risk |
|---|---|---|---|---|---|
| 1 | 06701 | 65 | C | 22 | 0.0000 mg/L |
| 2 | 06702 | 65 | C | 22 | 0.0000 mg/L |
| 3 | 06706 | 65 | C | 22 | 0.0000 mg/L |
| 4 | 06710 | 65 | C | 22 | 0.0000 mg/L |
| 5 | 06721 | 65 | C | 22 | 0.0000 mg/L |
| 6 | 06703 | 60 | C | 22 | 0.0000 mg/L |
| 7 | 06704 | 60 | C | 22 | 0.0000 mg/L |
| 8 | 06705 | 60 | C | 22 | 0.0000 mg/L |
| 9 | 06708 | 60 | C | 22 | 0.0000 mg/L |
| 10 | 06720 | 60 | C | 22 | 0.0000 mg/L |
| 11 | 06722 | 60 | C | 22 | 0.0000 mg/L |
| 12 | 06723 | 60 | C | 22 | 0.0000 mg/L |
| 13 | 06724 | 60 | C | 22 | 0.0000 mg/L |
| 14 | 06725 | 60 | C | 22 | 0.0000 mg/L |
| 15 | 06726 | 60 | C | 22 | 0.0000 mg/L |
| 16 | 06749 | 60 | C | 22 | 0.0000 mg/L |
How Neighborhoods Compare
Each ZIP code compared to county and state averages:
- 16 neighborhoods score better than county average
- 0 neighborhoods score worse than county average
EPA Violations
- 352 total violations across Waterbury
- 32 health-based violations
- 16 of 16 ZIP codes have violations
- 0 ZIP codes exceed EPA lead action level
Top Contaminants
| Contaminant | Violations | ZIPs |
|---|---|---|
| Stage 1 DBP Rule | 144 | 16 |
| Surface Water Treatment Rule | 64 | 16 |
| Consumer Confidence Report Rule | 48 | 16 |
| Stage 2 DBP Rule | 32 | 16 |
| Lead and Copper Rule | 32 | 16 |
Frequently Asked Questions
What is the safest neighborhood in Waterbury?
ZIP code 06701 has the highest safety score in Waterbury at 65/100 (grade C). Check the full report for details.
Is Waterbury water safe to drink?
Waterbury has an average water safety score of 62/100 (C). Water quality varies by neighborhood — no ZIP codes currently exceed EPA lead limits. Always check your specific ZIP code.
Related Pages
Data Sources
- EPA SDWIS
- U.S. Census Bureau
Updated daily.