CheckPFAS

City overview · Maricopa County

PFAS in Surprise, AZ

Moderate

EPA UCMR 5 tested 6 public water systems serving the Surprise area across 4 ZIP codes. PFAS were detected in Surprise's water, but below EPA limits.

Water systems tested
6
Systems above EPA limits
0
ZIP codes covered
4
County
Maricopa County, Arizona

Plain English

01What this means for Surprise

Testing under EPA UCMR 5 found PFAS in the Surprise area at concentrations below the federal Maximum Contaminant Level. "Below the limit" is not the same as "none" — levels vary by utility. Check your specific ZIP code below for the system serving your home. A certified point-of-use filter is a low-cost way to reduce exposure further if you'd like.

By utility

02Water systems serving Surprise

  1. EL MIRAGE CITY OF

    5 detected · 0 above limit · PWSID AZ0407091

    Moderate
  2. SURPRISE CITY OF - MOUNTAIN VISTA

    1 detected · 0 above limit · PWSID AZ0407500

    Low Level
  3. EPCOR WATER - AGUA FRIA

    1 detected · 0 above limit · PWSID AZ0407695

    Low Level
  4. ADOC TUCSON

    1 detected · 0 above limit · PWSID AZ0420557

    Low Level
  5. BEARDSLEY WATER COMPANY 1

    1 detected · 0 above limit · PWSID AZ0407007

    Low Level
  6. DESERT OASIS

    1 detected · 0 above limit · PWSID AZ0407523

    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.

Source & Methodology

About this data

Source
EPA UCMR 5
Sampling period
January 2023 – December 2025
Aggregation
6 utilities across 4 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 Surprise 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.