Neighborhood Report Grade B

Manchester, NH Neighborhood Water Quality — Grade B

9 ZIP codes · 81 EPA violations

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

Water quality varies significantly across Manchester, NH. We analyzed 9 ZIP codes to help you compare neighborhoods by water safety, lead risk, and EPA compliance.

City Overview: Grade B (78/100)

Grade	Neighborhoods	%
A	0	0%
B	9	100%
C	0	0%
D	0	0%
F	0	0%

Neighborhood Rankings

Every ZIP code in Manchester ranked by Home Safety Score:

Rank	ZIP Code	Score	Grade	Violations	Lead Risk
1	03101	80	B	9	0.0010 mg/L
2	03109	80	B	9	0.0010 mg/L
3	03105	79	B	9	0.0010 mg/L
4	03107	79	B	9	0.0010 mg/L
5	03108	79	B	9	0.0010 mg/L
6	03111	79	B	9	0.0010 mg/L
7	03102	75	B	9	0.0010 mg/L
8	03103	75	B	9	0.0010 mg/L
9	03104	75	B	9	0.0010 mg/L

How Neighborhoods Compare

Each ZIP code compared to county and state averages:

9 neighborhoods score better than county average
0 neighborhoods score worse than county average

EPA Violations

81 total violations across Manchester
27 health-based violations
9 of 9 ZIP codes have violations
0 ZIP codes exceed EPA lead action level

Top Contaminants

Contaminant	Violations	ZIPs
Lead and Copper Rule	18	9
Consumer Confidence Report Rule	18	9
Barium	9	9
Total Trihalomethanes (TTHM)	9	9
Stage 1 DBP Rule	9	9

Frequently Asked Questions

What is the safest neighborhood in Manchester?

ZIP code 03101 has the highest safety score in Manchester at 80/100 (grade B). Check the full report for details.

Is Manchester water safe to drink?

Manchester has an average water safety score of 78/100 (B). 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.