Peoria
AZ

Is Peoria, AZ Tap Water Safe to Drink?

Peoria tap water meets federal Safe Drinking Water Act standards but 4 of 5 ZIP codes show detections above EPA health guidelines, primarily for lithium. A certified filter is recommended for households that want an additional layer of protection.

6Water systems
5ZIP codes
80%ZIPs above EPA guideline
Metro areaPhoenix-Mesa-Chandler, AZ
Latest data2025-08-11

Where Does Peoria Get Its Water?

Water in Peoria, AZ is provided by 6 public water systems: PEORIA CITY OF, EPCOR WATER - TIERRA DEL RIO, GLENDALE CITY OF, KOHALA RANCH WATER CO., ROSE VALLEY WATER COMPANY and SUNRISE WATER COMPANY.

How Is Peoria Tap Water Treated?

Treated water is disinfected using free chlorine and chloramines and ozone. Treatment includes conventional treatment (coagulation, flocculation, and filtration), granular activated carbon filtration, groundwater disinfection, ion exchange and post-ozone biofiltration.

What's in Peoria Tap Water?

The following contaminants were detected most frequently in Peoria public water systems. 4 of 5 ZIP codes showed detections above EPA health guidelines.

ContaminantPeak detectedEPA guidelineZIPs detectedStatus
lithium 162 µg/L 10 µg/L 4 ZIPs Above guideline
PFBS 0.0122 µg/L — 4 ZIPs Within guideline
PFTrDA 0.007 µg/L — 0 ZIPs Within guideline
11Cl-PF3OUdS 0.005 µg/L — 0 ZIPs Within guideline
8:2 FTS 0.005 µg/L — 0 ZIPs Within guideline

Health Risk Profile for Peoria

Based on EPA monitoring data, 4 of 5 ZIP codes in Peoria have recorded detections above EPA health guidelines. Sensitive populations such as infants, pregnant individuals, and those with weakened immune systems may benefit from an additional layer of protection such as a certified point-of-use filter.

Best Broad-Spectrum Filters for This Water Profile

This city profile includes PFAS detections, chlorine disinfection, and other dissolved contaminants. Reverse osmosis (RO) systems certified under NSF/ANSI 58 provide broad reduction coverage; for PFAS specifically, confirm NSF/ANSI P473 or equivalent PFAS reduction certification.

Waterdrop G3P600 Reverse Osmosis System
Under-sink RO system

8-stage tankless RO system certified to NSF/ANSI 58, reduces 1,000+ contaminants including PFAS, lead, arsenic, fluoride, and nitrates.

See recommendations matched to your exact address: choose your ZIP code below.

Frequently Asked Questions about Peoria Tap Water

Is Peoria tap water safe to drink?

Peoria tap water meets Safe Drinking Water Act requirements but 4 of 5 ZIP codes show contaminant levels above EPA health-based guidelines. A certified point-of-use filter adds an extra layer of protection.

What contaminants are in Peoria tap water?

The most commonly detected contaminants in Peoria water systems include: lithium, PFBS, PFTrDA. See the ZIP-level reports for exact measurements and EPA guideline comparisons.

Where does Peoria get its drinking water?

Peoria receives water from 6 public water systems, including PEORIA CITY OF.

Do I need a water filter in Peoria?

If your ZIP code is among those with detections above EPA health guidelines, choose a filter certified for the specific contaminants shown in your ZIP report. Reverse osmosis is generally the broadest option for PFAS, lithium, and many other dissolved contaminants.

How often is Peoria tap water tested?

Public water systems in Peoria are required by the EPA to test for regulated contaminants on schedules ranging from daily (for microbials and disinfectants) to annual or triennial (for many chemical contaminants). Results are published in annual Consumer Confidence Reports (CCRs). The data on this page reflects the most recent available EPA monitoring results, with the latest sample date of 2025-08-11.

Tap water reports by ZIP in Peoria

Water utilities serving Peoria, AZ

Service area boundaries are approximate and based on state filings or modeled estimates. Contact your utility to confirm exact service at a specific address.

Modeled boundaries are shown with a dashed outline.

Also covers / overlaps with