CheckPFAS

PEORIA CITY OF

High Risk
PWSID: AZ0407096 Arizona Groundwater

1 PFAS compound(s) exceed EPA Maximum Contaminant Levels

This utility has until 2029 to install treatment under the EPA's April 2024 PFAS rule. In the meantime, a point-of-use filter certified NSF/ANSI 58 for PFOA/PFOS provides reliable interim protection.

4
PFAS Detected
1
Above EPA Limits
4
ZIPs Served
Groundwater
Water Source

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
PFOA
Perfluorooctanoic acid
5.60ppt
140% of limit
4 ppt⚠ Exceeds MCL
PFHxS
Perfluorohexane sulfonic acid
3.70ppt
37% of limit
10 pptBelow limit
lithium
162000.00pptNo federal limitUnregulated
PFBS
Perfluorobutane sulfonic acid
14.80pptNo federal limitUnregulated

ZIP Codes Served by This Utility

Click any ZIP to see the full result page for that area.

About this data
Source
EPA UCMR 5 — January 2026 release
Sampling period
January 2023 – December 2025
Water system ID (PWSID)
AZ0407096
Detection threshold (MRL)
~1.5–2 ppt — "Not detected" means below this floor