CheckPFAS

ARIZONA WATER CO - BISBEE

High Risk
PWSID: AZ0402001 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.

6
PFAS Detected
1
Above EPA Limits
1
ZIP Served
Groundwater
Water Source

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
PFOA
Perfluorooctanoic acid
9.70ppt
243% of limit
4 ppt⚠ Exceeds MCL
lithium
17000.00pptNo federal limitUnregulated
PFPeA
Perfluoropentanoic acid
17.00pptNo federal limitUnregulated
PFHxA
Perfluorohexanoic acid
10.00pptNo federal limitUnregulated
PFBS
Perfluorobutane sulfonic acid
10.00pptNo federal limitUnregulated
PFBA
Perfluorobutanoic acid
6.60pptNo federal limitUnregulated

ZIP Codes Served by This Utility

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About this data
Source
EPA UCMR 5 — January 2026 release
Sampling period
January 2023 – December 2025
Water system ID (PWSID)
AZ0402001
Detection threshold (MRL)
~1.5–2 ppt — "Not detected" means below this floor