Wilmington, DE Neighborhood Water Quality - Grade B
26 ZIP codes · 26 EPA violations
Data source: EPA SDWIS Last verified: 2026-07-19
ZipCheckup compares 26 ZIP codes across Wilmington, DE. The area averages a grade B (80/100); 26 ZIP codes carry recorded EPA violations.
Water quality varies significantly across Wilmington, DE. We analyzed 26 ZIP codes to help you compare neighborhoods by water safety, lead risk, and EPA compliance.
City Overview: Grade B (80/100)
| Grade | Neighborhoods | % |
|---|---|---|
| A | 1 | 4% |
| B | 24 | 92% |
| C | 1 | 4% |
| D | 0 | 0% |
| F | 0 | 0% |
Neighborhood Rankings
Every ZIP code in Wilmington ranked by Home Safety Score:
| Rank | ZIP Code | Score | Grade | Violations | Lead Risk |
|---|---|---|---|---|---|
| 1 | 19807 | 90 | A | 1 | 0.0022 mg/L |
| 2 | 19850 | 83 | B | 1 | 0.0022 mg/L |
| 3 | 19880 | 83 | B | 1 | 0.0022 mg/L |
| 4 | 19884 | 83 | B | 1 | 0.0022 mg/L |
| 5 | 19885 | 83 | B | 1 | 0.0022 mg/L |
| 6 | 19886 | 83 | B | 1 | 0.0022 mg/L |
| 7 | 19887 | 83 | B | 1 | 0.0022 mg/L |
| 8 | 19890 | 83 | B | 1 | 0.0022 mg/L |
| 9 | 19891 | 83 | B | 1 | 0.0022 mg/L |
| 10 | 19892 | 83 | B | 1 | 0.0022 mg/L |
| 11 | 19893 | 83 | B | 1 | 0.0022 mg/L |
| 12 | 19894 | 83 | B | 1 | 0.0022 mg/L |
| 13 | 19895 | 83 | B | 1 | 0.0022 mg/L |
| 14 | 19896 | 83 | B | 1 | 0.0022 mg/L |
| 15 | 19897 | 83 | B | 1 | 0.0022 mg/L |
| 16 | 19898 | 83 | B | 1 | 0.0022 mg/L |
| 17 | 19899 | 83 | B | 1 | 0.0022 mg/L |
| 18 | 19806 | 78 | B | 1 | 0.0022 mg/L |
| 19 | 19809 | 78 | B | 1 | 0.0022 mg/L |
| 20 | 19801 | 73 | B | 1 | 0.0022 mg/L |
| 21 | 19802 | 73 | B | 1 | 0.0022 mg/L |
| 22 | 19803 | 73 | B | 1 | 0.0022 mg/L |
| 23 | 19805 | 73 | B | 1 | 0.0022 mg/L |
| 24 | 19808 | 73 | B | 1 | 0.0022 mg/L |
| 25 | 19810 | 73 | B | 1 | 0.0022 mg/L |
| 26 | 19804 | 68 | C | 1 | 0.0022 mg/L |
How Neighborhoods Compare
Each ZIP code compared to county and state averages:
- 19 neighborhoods score better than county average
- 7 neighborhoods score worse than county average
EPA Violations
- 26 total violations across Wilmington
- 0 health-based violations
- 26 of 26 ZIP codes have violations
- 0 ZIP codes exceed EPA lead action level
Top Contaminants
| Contaminant | Violations | ZIPs |
|---|---|---|
| Consumer Confidence Report Rule | 26 | 26 |
Frequently Asked Questions
What is the safest neighborhood in Wilmington?
ZIP code 19807 has the highest safety score in Wilmington at 90/100 (grade A). Check the full report for details.
Is Wilmington water safe to drink?
Wilmington has an average water safety score of 80/100 (B). 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.