WaterQ
Texas State Report All States
Official Status: March 2026

Is Seguin tap water safe to drink?

⚠ Caution Advised
D

Use extra caution — Seguin scores 39/100.

Safety Score
39
out of 100

Still not sure if you need a filter in Seguin?

Read Decision Guide →

Seguin

Texas

View Texas state report Data updated: Mar 2026

Is Seguin tap water safe to drink?

Use extra caution — Seguin scores 39/100. This report aggregates EPA drinking water data across 0 local systems in Seguin. We found 0 total violations (0 unresolved).

Real-Time Environment

Live: 01:30 AM
0mm Precipitation

☀️ No active precipitation. Rainfall can impact surface water turbidity and pollutant runoff in Seguin.

Water Quality Impact

✅ Minimal Impact Localized weather conditions may influence test result variability.

🛡️ Home Water Treatment Needs

Should you invest in filtration or softening for your home in Seguin?

Requirement Status
Recommended
🟡
💡

Expert Advice

Given the safety margin, a Carbon Block or sediment filter is recommended to improve taste and remove trace particulates.

Buying a Filter?

Should you buy a water purifier in Seguin? See our analysis.

Baby Formula Safety

Is Seguin tap water safe for infants? Critical safety guide.

Homebuyer's Perspective

For those looking to relocate to Seguin, water quality is a key factor in long-term property maintenance. With a score of 39/100, we recommend budgeting for high-quality point-of-entry filtration systems to protect your home's value.

Property Impact: Requires Mitigation

Health & Family Safety

Current records show no major contaminant spikes, making Seguin a preferred choice for health-conscious families.

View Health Risk Glossary →

Compliance Record for Seguin

0
Violations (5yr)
0
Unresolved
0
Contaminants Tracked
0
Exceeding EPA Limit

Based on EPA SDWIS violation records and contaminant test results for all water systems serving Seguin.

Frequently Asked Questions

Is Seguin tap water safe to drink?

Use extra caution — Seguin scores 39/100.

How many water systems serve Seguin?

Seguin is served by 0 public water systems in our latest EPA-backed dataset.

How can I check water quality for my exact address in Seguin?

Use the WaterQ search tool to look up your ZIP code and view nearby systems, contaminant levels, and recent violations for Seguin.

What is the water quality score for Seguin?

The water quality score for Seguin is 39 out of 100, based on EPA contaminant data, violation history, and testing results for all serving water systems.

What are the top contaminants in Seguin?

Current contaminant data for Seguin is being updated. Check back soon or search your specific address for the latest results.

Water Quality Score
39/100
Grade
F
Water Systems
2
Population
68,208

Seguin Water Quality Summary

Seguin, TX receives a water quality score of 39/100 (Grade F) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 2 public water systems serving the area.

Seguin's water quality score is below the national average, indicating a history of EPA violations or elevated contaminant levels. Residents are encouraged to check their specific water system report and consider additional filtration.

Seguin's score of 39 is 39 points below the Texas state average of 78, and below the nationwide average of roughly 78/100 across all U.S. states.

Situated in a South-central Texas region characterized by large urban centers, the oil and gas industry, and varied geology, the mid-size city of Seguin faces notable challenges with its municipal water systems. These local systems have received a failing evaluation, suggesting that tap water quality is significantly compromised. For current residents and prospective homebuyers, this means relying on municipal water may require extra caution and the consideration of household treatment systems. Prospective residents are encouraged to look closely at local water system reports when evaluating properties in the area.

Water quality data is sourced from the U.S. EPA SDWIS database and updated quarterly. Learn about our scoring methodology → Read our Texas water quality rankings report →

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Water Systems Serving Seguin (0)

Water system data coming soon for Seguin.

Related

Compare Seguin water quality: View all states · Contaminant library · How we score water quality