Neighborhood Report Grade A

Wilmington, NC Neighborhood Water Quality — Grade A

12 ZIP codes · 204 EPA violations

Data source: EPA SDWIS Last verified: 2026-06-04

Water quality varies significantly across Wilmington, NC. We analyzed 12 ZIP codes to help you compare neighborhoods by water safety, lead risk, and EPA compliance.

City Overview: Grade A (86/100)

Grade	Neighborhoods	%
A	6	50%
B	6	50%
C	0	0%
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	28407	97	A	17	0.0030 mg/L
2	28408	97	A	17	0.0030 mg/L
3	28410	97	A	17	0.0030 mg/L
4	28404	93	A	17	0.0030 mg/L
5	28406	93	A	17	0.0030 mg/L
6	28402	88	A	17	0.0030 mg/L
7	28401	83	B	17	0.0030 mg/L
8	28403	78	B	17	0.0030 mg/L
9	28405	78	B	17	0.0030 mg/L
10	28412	78	B	17	0.0030 mg/L
11	28409	73	B	17	0.0030 mg/L
12	28411	73	B	17	0.0030 mg/L

How Neighborhoods Compare

Each ZIP code compared to county and state averages:

7 neighborhoods score better than county average
5 neighborhoods score worse than county average

EPA Violations

204 total violations across Wilmington
24 health-based violations
12 of 12 ZIP codes have violations
0 ZIP codes exceed EPA lead action level

Top Contaminants

Contaminant	Violations	ZIPs
Surface Water Treatment Rule	72	12
Stage 2 DBP Rule	48	12
Stage 1 DBP Rule	24	12
Consumer Confidence Report Rule	24	12
Revised Total Coliform Rule	24	12

Frequently Asked Questions

What is the safest neighborhood in Wilmington?

ZIP code 28407 has the highest safety score in Wilmington at 97/100 (grade A). Check the full report for details.

Is Wilmington water safe to drink?

Wilmington has an average water safety score of 86/100 (A). Water quality varies by neighborhood — no ZIP codes currently exceed EPA lead limits. Always check your specific ZIP code.

Data Sources

EPA SDWIS
U.S. Census Bureau

Updated daily.