Mesa
Is Mesa tap water safe to drink?
Use extra caution — Mesa scores 58/100. This report aggregates EPA drinking water data across 1 local system in Mesa. We found 1740 total violations (40 unresolved).
Real-Time Environment
Live: 10:30 AM☀️ No active precipitation. Rainfall can impact surface water turbidity and pollutant runoff in Mesa.
Water Quality Impact
🛡️ Home Water Treatment Needs
Should you invest in filtration or softening for your home in Mesa?
Expert Advice
Given the safety margin, a Carbon Block or sediment filter is recommended to improve taste and remove trace particulates.
Buying a Filter?
Filtration technologies matched to Mesa contaminant records.
Baby Formula Safety
Guidance on preparing infant formula using municipal tap water in Mesa.
Homebuyer's Perspective
Municipal water quality in Mesa directly influences pipe corrosion rates and home filtration needs. With a score of 58/100, we recommend budgeting for high-quality point-of-entry filtration systems to protect your home's value.
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 Mesa
Based on EPA SDWIS violation records and contaminant test results for all water systems serving Mesa.
Frequently Asked Questions
Is Mesa tap water safe to drink?
Use extra caution — Mesa scores 58/100.
How many water systems serve Mesa?
Mesa is served by 1 public water system in our latest EPA-backed dataset.
How can I check water quality for my exact address in Mesa?
Use the WaterQ search tool to look up your ZIP code and view nearby systems, contaminant levels, and recent violations for Mesa.
What is the water quality score for Mesa?
The water quality score for Mesa is 58 out of 100, based on EPA contaminant data, violation history, and testing results across the 1 system serving the city.
What are the top contaminants in Mesa?
The top contaminants detected in Mesa include Lead (90th percentile). View detailed information on our contaminants page.
Mesa Water Quality Summary
Mesa, AZ receives a water quality score of 58/100 (Grade D) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 1 public water system serving the area.
Mesa'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.
Mesa's score of 58 is 3 points above the Arizona state average of 55, and below the nationwide average of roughly 78/100 across all U.S. states.
For families looking to buy a home in this large Arizona city, the municipal supply's poor quality rating highlights the environmental pressures facing Mesa. Situated in the fast-growing and arid Desert Southwest, the community relies heavily on groundwater managed by its municipal system. These regional dynamics directly affect tap water quality, meaning residents may want to research home filtration options to ensure their household's regulatory reliability.
Water quality data is sourced from the U.S. EPA SDWIS database and updated quarterly. Learn about our scoring methodology → Read our Arizona water quality rankings report →
Key Contaminants
Join the Mesa updates waitlist
We are developing email updates. This form records your interest; automated violation and boil-water advisory emails are not active.
We will use your address to contact you if updates become available. See our Privacy Policy.
Water Systems Serving Mesa (1)
Check Your Specific Address
Water quality can vary by neighborhood in Mesa.
Related
Quick compare in Arizona
Compare Mesa water quality: View all states · Contaminant library · How we score water quality