Neighborhood Report
Grade A
Dover, DE Neighborhood Water Quality — Grade A
5 ZIP codes · 15 EPA violations
Data source: EPA SDWIS Last verified: 2026-06-03
Water quality varies significantly across Dover, DE. We analyzed 5 ZIP codes to help you compare neighborhoods by water safety, lead risk, and EPA compliance.
City Overview: Grade A (89/100)
| Grade | Neighborhoods | % |
|---|---|---|
| A | 4 | 80% |
| B | 1 | 20% |
| C | 0 | 0% |
| D | 0 | 0% |
| F | 0 | 0% |
Neighborhood Rankings
Every ZIP code in Dover ranked by Home Safety Score:
| Rank | ZIP Code | Score | Grade | Violations | Lead Risk |
|---|---|---|---|---|---|
| 1 | 19903 | 93 | A | 3 | 0.0007 mg/L |
| 2 | 19905 | 93 | A | 3 | 0.0007 mg/L |
| 3 | 19906 | 93 | A | 3 | 0.0007 mg/L |
| 4 | 19904 | 85 | A | 3 | 0.0007 mg/L |
| 5 | 19901 | 80 | B | 3 | 0.0007 mg/L |
How Neighborhoods Compare
Each ZIP code compared to county and state averages:
- 3 neighborhoods score better than county average
- 2 neighborhoods score worse than county average
EPA Violations
- 15 total violations across Dover
- 10 health-based violations
- 5 of 5 ZIP codes have violations
- 0 ZIP codes exceed EPA lead action level
Top Contaminants
| Contaminant | Violations | ZIPs |
|---|---|---|
| Consumer Confidence Report Rule | 10 | 5 |
| Contaminant 1032 | 5 | 5 |
Frequently Asked Questions
What is the safest neighborhood in Dover?
ZIP code 19903 has the highest safety score in Dover at 93/100 (grade A). Check the full report for details.
Is Dover water safe to drink?
Dover has an average water safety score of 89/100 (A). 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.