WaterQ
New Mexico State Report All States
Official Status: March 2026

Is San Antonio tap water safe to drink?

✓ Generally Safe
B

Mostly yes — San Antonio scores 80/100.

Safety Score
80
out of 100

Still not sure if you need a filter in San Antonio?

Read Decision Guide →

San Antonio

New Mexico

View New Mexico state report Data updated: Mar 2026

Is San Antonio tap water safe to drink?

Mostly yes — San Antonio scores 80/100. This report aggregates EPA drinking water data across 0 local systems in San Antonio. We found 0 total violations (0 unresolved).

Real-Time Environment

Live: 06:00 PM
0mm Precipitation

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

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 San Antonio?

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?

Wondering if San Antonio tap water needs filtering? We break it down.

Baby Formula Safety

Mixing baby formula with San Antonio tap water? Read this first.

Homebuyer's Perspective

If you're house-hunting in San Antonio, water quality belongs on your due-diligence checklist alongside schools and crime data. The high safety score (80/100) suggests lower risk for plumbing corrosion and appliance scaling.

Property Impact: Positive / Stable

Health & Family Safety

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

View Health Risk Glossary →

Compliance Record for San Antonio

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 San Antonio.

Frequently Asked Questions

Is San Antonio tap water safe to drink?

Mostly yes — San Antonio scores 80/100.

How many water systems serve San Antonio?

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

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

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

What is the water quality score for San Antonio?

The water quality score for San Antonio is 80 out of 100, based on EPA contaminant data, violation history, and testing results for all serving water systems.

What are the top contaminants in San Antonio?

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

Water Quality Score
80/100
Grade
B
Water Systems
1
Population
1,344

San Antonio Water Quality Summary

San Antonio, NM receives a water quality score of 80/100 (Grade B) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 1 public water system serving the area.

San Antonio's water quality is above the national average, with strong compliance records and low contaminant levels. Residents generally receive clean, safe tap water that meets EPA standards.

San Antonio's score of 80 is 17 points above the New Mexico state average of 63, and above the nationwide average of roughly 78/100 across all U.S. states.

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

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Water Systems Serving San Antonio (0)

Water system data coming soon for San Antonio.

Related

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