Huntsville, TX: 24 Health Violations — 66/100 (2026)
8 ZIP codes · 9 water systems · Updated 2026-06-03
Huntsville's water quality grade in TX reflects a middle-ground assessment — service areas range from fully compliant to violation-flagged in current EPA records.
How Huntsville Compares
Data: EPA SDWIS Last verified: 2026-06-03
Water Quality Map: Huntsville, TX
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Score Distribution
Safety grade breakdown for Huntsville's 8 ZIP codes.
Key Facts for Huntsville Residents
- Your city's water systems recorded 120 violations in the past 5 years.
- Average lead level: 0.0134 mg/L.
- Estimated remediation: $1,425 per household.
- CDC health risk index: 13.47 — above typical levels.
Huntsville's Water Providers
Water service in Huntsville, TX is split across 3 utilities out of 9 tracked federally, each operating its own infrastructure and compliance record.
Overview
We track water quality and home safety data for 8 ZIP codes in Huntsville, Texas, covering 9 community water systems serving approximately 72,897 people.
8 of 8 ZIP codes (100%) have recorded EPA violations. 24 health-based violations documented.
Home Safety Score
Average Home Safety Score for Huntsville: C (66/100)
The score combines three factors:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| Lead Levels | 90th percentile lead concentration vs EPA action level |
| Radon Risk | EPA radon zone classification |
Water Sources
Huntsville water systems draw from: Groundwater, Surface water.
Lead & Copper
- Average lead level (90th percentile): 0.0134 mg/L (EPA action level: 0.015 mg/L)
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 3 (Low Risk)
- Zone 1 (High): 0 ZIP codes
- Zone 2 (Moderate): 0 ZIP codes
- Zone 3 (Low): 8 ZIP codes
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Stage 1 DBP Rule | Treatment Technique | 45 | 8 |
| Stage 2 DBP Rule | Treatment Technique | 36 | 8 |
| Lead and Copper Rule | Treatment Technique | 18 | 8 |
| Consumer Confidence Report Rule | Reporting | 18 | 8 |
| Revised Total Coliform Rule | Microbiological | 18 | 8 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 77320 | C | 15 | 3 | City of Huntsville |
| 77340 | C | 15 | 3 | City of Huntsville |
| 77341 | C | 15 | 3 | City of Huntsville |
| 77342 | B | 15 | 3 | City of Huntsville |
| 77343 | C | 15 | 3 | City of Huntsville |
| 77344 | C | 15 | 3 | City of Huntsville |
| 77348 | C | 15 | 3 | City of Huntsville |
| 77349 | C | 15 | 3 | City of Huntsville |
All ZIP Codes in Huntsville
- 77320 [C] — 15 violations ⚠
- 77340 [C] — 15 violations ⚠
- 77341 [C] — 15 violations ⚠
- 77342 [B] — 15 violations ⚠
- 77343 [C] — 15 violations ⚠
- 77344 [C] — 15 violations ⚠
- 77348 [C] — 15 violations ⚠
- 77349 [C] — 15 violations ⚠
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Lead/copper: EPA Lead and Copper Rule sampling data
- Radon: EPA Map of Radon Zones
Updated daily.
Huntsville Community Health Snapshot
Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
What's in Huntsville's Water?
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
How Remediation Costs Compare in Huntsville
Property equity in Huntsville runs well ahead of estimated remediation costs — a cost-to-value ratio that sits in the low tier, meaning documented water and safety issues here are the kind homeowners can plan to address without treating the expense as a significant budget event relative to what their homes are worth.
Remediation costs in Huntsville are relatively low compared to home values. The $850–$2,638 estimated range is a small fraction of median property value. Home values are 0% above the Texas average.
Huntsville: Lead Risk & Vulnerable Populations
Why children are most at risk: The CDC states there is no safe level of lead exposure for children. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.
Lead risk in Huntsville appears low overall, but individual homes may differ. Testing is the only way to confirm your water's lead content.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Huntsville: Flood History & Water Damage Risk
A moderate NFIP record for Huntsville — 302 insurance claims paired with 38% of ZIP codes in FEMA flood zones — points to a flood history where water-quality pathways have likely been periodically relevant.
Huntsville has a moderate flood history with 302 FEMA claims averaging $41,472 per payout. 38% of ZIP codes fall within FEMA flood zones. Flood events can contaminate drinking water and overwhelm treatment systems.
How flooding affects water quality: Flood events can introduce sewage, agricultural runoff, and industrial chemicals into water supplies. Even after floodwaters recede, contamination can persist in wells and aging infrastructure. Flood damage can add significantly to the estimated <strong>$1,425</strong> remediation cost per household.
Residents in flood-prone areas should consider flood insurance even outside FEMA zones — over 25% of flood claims come from low-to-moderate risk areas. After any flood event, test your water before drinking.
Source: FEMA National Flood Insurance Program (NFIP) claims data, FEMA flood zone designations.
What You Can Do in Huntsville
- Test your water at home. City-level data shows averages — your tap may differ. Lead testing is especially recommended given the area's lead levels.
- Install a certified water filter. Filters rated for Stage 1 DBP Rule can reduce the most common contaminant found in Huntsville's water.
- Check your home's plumbing. Homes built before 1986 may have lead solder in pipes. A licensed plumber can assess your risk.
Deep Dive Reports
Detailed analysis for Huntsville, TX