Monitoring Violations

Water Quality in 85201 — Mesa, AZ

EPA data for MESA CITY OF

Data source: U.S. Environmental Protection Agency (EPA) SDWIS Last verified: March 16, 2026

2
Water Systems
466,000
People Served
0
Health Violations (5yr)
Surface water
Water Source
No data
Lead Level

Your Water System

ZIP code 85201 in Mesa, Arizona is served by MESA CITY OF (EPA ID: AZ0407095). This system provides water to approximately 466,000 people from surface water sources.

There are 2 community water systems serving this area.

Lead & Copper in Your Water

No Lead & Copper Rule sampling data available for systems serving this ZIP code.

Violation Summary

38 monitoring/reporting violations recorded. These are procedural violations (missed tests or late reports), not necessarily water safety issues.

Recent Violations

DateContaminantTypeStatus
August 1, 2025Consumer Confidence Report RuleMonitoringUnresolved
March 1, 2025Contaminant 1011MonitoringUnresolved
March 1, 2025Contaminant 1011MonitoringResolved
February 1, 2025Contaminant 1011MonitoringUnresolved
February 1, 2025Contaminant 1011MonitoringResolved
January 1, 2023PFOAMonitoringResolved
January 1, 2023PFNAMonitoringResolved
January 1, 2023Monochloroacetic AcidMonitoringResolved
January 1, 2023Dichloroacetic AcidMonitoringResolved
January 1, 2023BromodichloromethaneMonitoringResolved
January 1, 2023DibromochloromethaneMonitoringResolved
January 1, 2023BromoformMonitoringResolved
January 1, 2023ChlorodibromomethaneMonitoringResolved
January 1, 2023Trichloroacetic AcidMonitoringResolved
January 1, 2023Monobromoacetic AcidMonitoringResolved
January 1, 2023Dibromoacetic AcidMonitoringResolved
January 1, 2023Bromochloroacetic AcidMonitoringResolved
January 1, 2023Bromodichloroacetic AcidMonitoringResolved
January 1, 2023Chlorodibromoacetic AcidMonitoringResolved
January 1, 2023Tribromoacetic AcidMonitoringResolved

Contaminants Detected

The following contaminants have been flagged in EPA records for water systems serving this ZIP code:

ContaminantCategoryViolationsHealth-Based
Contaminant 1052Other4No
Contaminant 1011Other4No
AtrazineOrganic3No
ChloriteDisinfection Byproducts2No
E. coliMicrobiological1No
Contaminant 1008Other1No
Contaminant 1009Other1No
PFOAPFAS1No
PFNAPFAS1No
Monochloroacetic AcidDisinfection Byproducts1No
Dichloroacetic AcidDisinfection Byproducts1No
BromodichloromethaneDisinfection Byproducts1No
DibromochloromethaneDisinfection Byproducts1No
BromoformDisinfection Byproducts1No
ChlorodibromomethaneDisinfection Byproducts1No

Need help with your water quality?

Call to get connected with a local professional in your area.

Call (855) 384-4856

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Water Systems Serving This Area

System NameEPA IDPopulationSource
MESA CITY OFAZ0407095466,000Surface water
PEEKABOO WATER COOPAZ0407671100Groundwater

What You Can Do

  1. Review your annual Consumer Confidence Report (CCR) — Your utility publishes this each July
  2. Test your home’s water — Especially if you have older plumbing (pre-1986) that may contain lead
  3. Stay informed — Bookmark this page to check for updates on your water quality

Need help with water testing or filtration?

Call to get connected with a local professional in your area.

Call (855) 384-4856

This is a free service. You will be connected with an independent service provider.

Other Water Quality Reports in Arizona

Nearby Water Quality Reports

Data Sources

This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for MESA CITY OF (AZ0407095) on EPA.gov.

Frequently Asked Questions

Is the tap water in 85201 safe to drink?

Based on EPA records, the water system serving ZIP code 85201 has only monitoring/reporting violations, which are procedural in nature. However, individual home conditions (old pipes, well water) can affect quality.

Where does 85201’s water come from?

The primary water source for this area is surface water. MESA CITY OF serves approximately 466,000 people.

How can I get my water tested?

Contact your local water utility for a free water quality report, or hire a certified lab for independent home water testing. The EPA recommends testing annually if you use a private well.

Does 85201 have lead in the water?

No Lead and Copper Rule sampling data is currently available in EPA records for water systems serving ZIP code 85201. If you are concerned about lead, contact your water utility or have your tap water independently tested.

What is the radon risk in 85201?

Radon zone data is not available for ZIP code 85201. The EPA recommends testing all homes for radon regardless of location, as radon levels can vary significantly even within the same neighborhood.

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