Galveston, TX: 6 Violations — 79/100 (2026)
6 ZIP codes · 2 water systems · Updated 2026-06-03
For households in Galveston, TX water data shows a consistently above-average safety picture.
How Galveston Compares
Data: EPA SDWIS Last verified: 2026-06-03
Water Quality Map: Galveston, TX
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Score Distribution
Safety grade breakdown for Galveston's 6 ZIP codes.
Key Facts for Galveston Residents
- Your city's water systems recorded 6 violations in the past 5 years.
- Average lead level: 0.0013 mg/L.
- Estimated remediation: $2,333 per household.
- CDC health risk index: 12.31 — above typical levels.
Galveston's Water Providers
Across Galveston, TX, residential water comes from 2 primary utilities rather than a single consolidated provider. Each system operates independently — managing its own distribution infrastructure, rate schedules, and EPA compliance filings. Federal records track 2 water systems in the area, with these top providers accounting for the majority of residential connections.
Overview
We track water quality and home safety data for 6 ZIP codes in Galveston, Texas, covering 2 community water systems serving approximately 55,548 people.
6 of 6 ZIP codes (100%) have recorded EPA violations. All violations are monitoring/reporting type.
Home Safety Score
Average Home Safety Score for Galveston: B (79/100)
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
Galveston water systems draw from: Surface water.
Lead & Copper
- Average lead level (90th percentile): 0.0013 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): 6 ZIP codes
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Revised Total Coliform Rule | Microbiological | 7 | 6 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 77550 | B | 1 | 0 | City of Galveston |
| 77551 | B | 1 | 0 | City of Galveston |
| 77552 | B | 1 | 0 | City of Galveston |
| 77553 | B | 1 | 0 | City of Galveston |
| 77554 | B | 1 | 0 | City of Galveston |
| 77555 | A | 1 | 0 | City of Galveston |
All ZIP Codes in Galveston
- 77550 [B] — 1 violation
- 77551 [B] — 1 violation
- 77552 [B] — 1 violation
- 77553 [B] — 1 violation
- 77554 [B] — 1 violation
- 77555 [A] — 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.
Galveston 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 Galveston's Water?
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
How Remediation Costs Compare in Galveston
While no remediation project is entirely without cost, the relationship between estimated remediation and property values in Galveston is notably favorable — the equity share is small enough that the household financial perspective is one of proportionality rather than pressure, and most homeowners can treat it as routine planning rather than a significant financial event.
Remediation costs in Galveston are relatively low compared to home values. The $1,567–$3,567 estimated range is a small fraction of median property value. Home values are 24% above the Texas average.
Galveston: 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 Galveston 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.
Galveston: Flood History & Water Damage Risk
The National Flood Insurance Program builds its dataset one claim at a time — each filed claim represents a property where flood damage was severe enough to trigger an insurance payout. For Galveston, that dataset has accumulated 21777 such events across the program's multi-decade history. 100% of ZIP codes here carry official FEMA flood zone designations, reflecting federal assessments of where flood risk is concentrated. Together, those data points describe a community with a documented, substantial flood exposure — the kind that shapes not just property risk but also the periodic reliability of water supply infrastructure. When flood events reach that scale, treatment systems face peak-load contamination stress, private wells become vulnerable to surface water intrusion, and the distribution network can experience backflow conditions that allow untreated water to re-enter the system.
Galveston has a significant flood history with 21,777 FEMA flood insurance claims on record, averaging $52,060 per claim. With 100% 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>$2,333</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.
Deep Dive Reports
Detailed analysis for Galveston, TX