WaterQ
PR State Report All States
Official Status: March 2026

Is Mayaguez tap water safe to drink?

✓ Generally Safe
B

Generally acceptable, but review local hotspots — score 77/100.

Safety Score
77
out of 100

Still not sure if you need a filter in Mayaguez?

Read Decision Guide →

Mayaguez

PR

View PR state report Data updated: Mar 2026

Is Mayaguez tap water safe to drink?

Generally acceptable, but review local hotspots — score 77/100. This report aggregates EPA drinking water data across 3 local systems in Mayaguez. We found 1429 total violations (238 unresolved).

Real-Time Environment

Live: 07:15 AM
0mm Precipitation

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

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 Mayaguez?

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 Mayaguez tap water needs filtering? We break it down.

Baby Formula Safety

Mixing baby formula with Mayaguez tap water? Read this first.

Homebuyer's Perspective

If you're house-hunting in Mayaguez, water quality belongs on your due-diligence checklist alongside schools and crime data. With a score of 77/100, we recommend budgeting for high-quality point-of-entry filtration systems to protect your home's value.

Property Impact: Positive / Stable

Health & Family Safety

Residents should monitor Lead (90th percentile) levels. Pregnant women and families with young children should consult the specific EPA health goals listed below.

View Health Risk Glossary →

Compliance Record for Mayaguez

1429
Violations (5yr)
238
Unresolved
1
Contaminants Tracked
0
Exceeding EPA Limit

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

Frequently Asked Questions

Is Mayaguez tap water safe to drink?

Generally acceptable, but review local hotspots — score 77/100.

How many water systems serve Mayaguez?

Mayaguez is served by 3 public water systems in our latest EPA-backed dataset.

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

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

What is the water quality score for Mayaguez?

The water quality score for Mayaguez is 77 out of 100, based on EPA contaminant data, violation history, and testing results across the 3 systems serving the city.

What are the top contaminants in Mayaguez?

The top contaminants detected in Mayaguez include Lead (90th percentile). View detailed information on our contaminants page.

Water Quality Score
77/100
Grade
B
Water Systems
3
Population
165,048

Mayaguez Water Quality Summary

Mayaguez, PR receives a water quality score of 77/100 (Grade B) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 3 public water systems serving the area.

Mayaguez's water quality is near the national average. While most systems meet EPA standards, some violations have been recorded. Residents may wish to review their specific water system's report for contaminant details.

and below the nationwide average of roughly 78/100 across all U.S. states.

Prospective homebuyers looking at the mid-size city of Mayaguez, Puerto Rico, will find a local infrastructure serviced by a few distinct water systems. Tap water quality in this United States region generally meets good standards, indicating a reliable supply for everyday household needs. While the overall performance of these systems is solid, residents should remain aware of local updates from their specific service providers.

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

Key Contaminants

Lead (90th percentile)
0.006 / 0.015 mg/L
0 mg/L MCL: 0.015 mg/L

Get notified if Mayaguez's water quality changes

Free email alert when the EPA reports a new violation or boil-water advisory for your water system. No spam — just the alerts you asked for.

By subscribing you agree to receive occasional water-quality alert emails. Unsubscribe anytime. See our Privacy Policy.

Water Systems Serving Mayaguez (3)

Related

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