Neighborhood Report Grade C

Huntsville, TX Neighborhood Water Quality — Grade C

8 ZIP codes · 120 EPA violations

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

Water quality varies significantly across Huntsville, TX. We analyzed 8 ZIP codes to help you compare neighborhoods by water safety, lead risk, and EPA compliance.

City Overview: Grade C (66/100)

Grade	Neighborhoods	%
A	0	0%
B	1	13%
C	7	88%
D	0	0%
F	0	0%

Neighborhood Rankings

Every ZIP code in Huntsville ranked by Home Safety Score:

Rank	ZIP Code	Score	Grade	Violations	Lead Risk
1	77342	71	B	15	0.0134 mg/L
2	77341	67	C	15	0.0134 mg/L
3	77343	67	C	15	0.0134 mg/L
4	77344	67	C	15	0.0134 mg/L
5	77348	67	C	15	0.0134 mg/L
6	77349	67	C	15	0.0134 mg/L
7	77320	61	C	15	0.0134 mg/L
8	77340	61	C	15	0.0134 mg/L

How Neighborhoods Compare

Each ZIP code compared to county and state averages:

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

EPA Violations

120 total violations across Huntsville
24 health-based violations
8 of 8 ZIP codes have violations
0 ZIP codes exceed EPA lead action level

Top Contaminants

Contaminant	Violations	ZIPs
Stage 1 DBP Rule	40	8
Stage 2 DBP Rule	32	8
Lead and Copper Rule	16	8
Consumer Confidence Report Rule	16	8
Revised Total Coliform Rule	16	8

Frequently Asked Questions

What is the safest neighborhood in Huntsville?

ZIP code 77342 has the highest safety score in Huntsville at 71/100 (grade B). Check the full report for details.

Is Huntsville water safe to drink?

Huntsville has an average water safety score of 66/100 (C). 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.