Huntsville, AL: 24 Violations — 65/100 (2026)
24 ZIP codes · 4 water systems · Updated 2026-06-04
Huntsville's water quality grade in AL 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: 2026-06-04
Water Quality Map: Huntsville, AL
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Score Distribution
Safety grade breakdown for Huntsville's 24 ZIP codes.
Key Facts for Huntsville Residents
- Your city's water systems recorded 24 violations in the past 5 years.
- Average lead level: 0.001 mg/L.
- Estimated remediation: $2,425 per household.
- CDC health risk index: 12.86 — above typical levels.
Huntsville's Water Providers
Federal records list 4 water systems tied to Huntsville, AL. Of those, 3 are the primary providers, meaning service conditions, rate structures, and compliance histories can differ depending on where a property sits.
Overview
We track water quality and home safety data for 24 ZIP codes in Huntsville, Alabama (population ~214,900), covering 4 community water systems serving approximately 394,518 people region-wide.
24 of 24 ZIP codes (100%) have recorded EPA violations. All violations are monitoring/reporting type.
Home Safety Score
Average Home Safety Score for Huntsville: C (65/100)
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: Surface water.
Lead & Copper
- Average lead level (90th percentile): 0.0010 mg/L (EPA action level: 0.015 mg/L)
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 1 (High Risk)
- Zone 1 (High): 24 ZIP codes
- Zone 2 (Moderate): 0 ZIP codes
- Zone 3 (Low): 0 ZIP codes
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Contaminant 2959 | Other | 25 | 24 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 35801 | C | 1 | 0 | Huntsville Utilities |
| 35802 | C | 1 | 0 | Huntsville Utilities |
| 35803 | C | 1 | 0 | Huntsville Utilities |
| 35804 | C | 1 | 0 | Huntsville Utilities |
| 35805 | C | 1 | 0 | Huntsville Utilities |
| 35806 | C | 1 | 0 | Huntsville Utilities |
| 35807 | B | 1 | 0 | Huntsville Utilities |
| 35808 | C | 1 | 0 | Huntsville Utilities |
| 35809 | C | 1 | 0 | Huntsville Utilities |
| 35810 | C | 1 | 0 | Huntsville Utilities |
All ZIP Codes in Huntsville
- 35801 [C] — 1 violation
- 35802 [C] — 1 violation
- 35803 [C] — 1 violation
- 35804 [C] — 1 violation
- 35805 [C] — 1 violation
- 35806 [C] — 1 violation
- 35807 [B] — 1 violation
- 35808 [C] — 1 violation
- 35809 [C] — 1 violation
- 35810 [C] — 1 violation
- 35811 [C] — 1 violation
- 35812 [C] — 1 violation
- 35813 [C] — 1 violation
- 35814 [C] — 1 violation
- 35815 [C] — 1 violation
- 35816 [C] — 1 violation
- 35824 [B] — 1 violation
- 35893 [C] — 1 violation
- 35894 [C] — 1 violation
- 35895 [C] — 1 violation
- 35896 [B] — 1 violation
- 35897 [C] — 1 violation
- 35898 [C] — 1 violation
- 35899 [C] — 1 violation
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
What does remediation cost in financial context for Huntsville homeowners? Proportionally very little — the equity share here is low, and addressing documented issues is a manageable planning question rather than a material financial burden.
Remediation costs in Huntsville are relatively low compared to home values. The $1,621–$3,242 estimated range is a small fraction of median property value. Home values are 57% above the Alabama 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
Huntsville's flood profile — 539 NFIP claims over the program's multi-decade period and 38% of ZIP codes within FEMA-designated flood zones — reflects a community where flooding has shaped the local risk landscape in sustained ways. That sustained exposure has specific consequences for water quality that don't apply to lower-exposure areas. Treatment facilities handling intake from flood-saturated watersheds face contaminant loads that can exceed normal filtration capacity. Private wells in FEMA-designated zones face surface infiltration risk during every significant event. Distribution systems in areas that flood repeatedly accumulate backflow stress over time. None of these represent constant threats to water quality, but they are activated by the kinds of events that the NFIP record shows have occurred here, repeatedly, over many years.
Huntsville has a significant flood history with 539 FEMA flood insurance claims on record, averaging $17,042 per claim. With 38% of ZIP codes in FEMA-designated flood zones, flood risk is a major concern for homeowners and water quality.
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>$2,425</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. NSF-certified test kits cost $20-40 and give results in days.
- Install a certified water filter. Filters rated for Contaminant 2959 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, AL