CheckPFAS

ZIP Code 85603

High Risk
High Risk PFAS Risk Level

PFAS above EPA limits detected

1 compound exceed EPA Maximum Contaminant Levels in water serving this ZIP code. Standard pitcher filters like Brita do not remove PFAS. See filter recommendations below.

5
PFAS Detected
1
Above EPA Limits
1
Water System
243%
Highest % of MCL

Compounds Exceeding EPA Limits

PFOA Exceeds EPA limit
0 ppt MCL: 4 ppt 243% of limit
Detected: 9.70 ppt
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ARIZONA WATER CO - BISBEE

AZ0402001 High Risk
Water Type
Groundwater
PFAS Detected
5
Above MCL
1
State
Arizona
Data Period
2023–2025

PFAS Test Results

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

Data source: EPA Unregulated Contaminant Monitoring Rule, 5th cycle (UCMR 5) — January 2026 release.

UCMR 5 tested ~10,000 public water systems serving more than 25 people between 2023-2025 for 29 PFAS compounds.

Detection values represent the highest single-sample result measured at entry points to the distribution system.

View raw EPA data →