CheckPFAS

City overview · Maricopa County

PFAS in Phoenix, AZ

Low Level

EPA UCMR 5 tested 4 public water systems serving the Phoenix area across 45 ZIP codes. Only trace PFAS were detected across Phoenix's tested systems.

Water systems tested
4
Systems above EPA limits
0
ZIP codes covered
45
County
Maricopa County, Arizona

Plain English

01What this means for Phoenix

The water systems serving the Phoenix area measured only low, trace concentrations of PFAS — well below the EPA's Maximum Contaminant Levels. For most residents this represents minimal risk from drinking water. Review your specific ZIP below, and check your utility's annual Consumer Confidence Report for year-over-year trends.

By utility

02Water systems serving Phoenix

  1. PHOENIX CITY OF

    3 detected · 0 above limit · PWSID AZ0407025

    Low Level

  2. SCOTTSDALE CITY OF

    2 detected · 0 above limit · PWSID AZ0407098

    Low Level

  3. DESERT HILLS WATER

    1 detected · 0 above limit · PWSID AZ0407026

    Low Level

  4. EPCOR WATER - ANTHEM

    1 detected · 0 above limit · PWSID AZ0407504

    Low Level

By ZIP code

03Find your exact result

Contamination can differ block to block. Select your ZIP code for the precise reading at the utility that serves your address.

850018500385004850058500685007850088500985012850138501485015850168501785018850198502085021850228502385024850278502885029850318503285033850348503585036850378504085041850428504385044850458504885050850518505385054850858508685098

Source & Methodology

About this data

Source
EPA UCMR 5
Sampling period
January 2023 – December 2025
Aggregation
4 utilities across 45 ZIP codes
Detection threshold (MRL)
~1.5–2 ppt

City-level figures aggregate the individual public water systems tested under EPA UCMR 5 whose service area falls within the Phoenix area. Values reflect water quality at the treatment plant; your home's plumbing can affect what reaches your tap. Select your ZIP above for the utility-specific reading.