CheckPFAS

ZIP Code 85541

High Risk
High Risk PFAS Risk Level

PFAS above EPA limits detected

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

10
PFAS Detected
3
Above EPA Limits
1
Water System
1055%
Highest % of MCL

Compounds Exceeding EPA Limits

PFOS Exceeds EPA limit
0 ppt MCL: 4 ppt 1055% of limit
Detected: 42.20 ppt
PFOA Exceeds EPA limit
0 ppt MCL: 4 ppt 1023% of limit
Detected: 40.90 ppt
PFHxS Exceeds EPA limit
0 ppt MCL: 10 ppt 227% of limit
Detected: 22.70 ppt

PAYSON TOWN OF

AZ0404032 High Risk
Water Type
Groundwater
PFAS Detected
10
Above MCL
3
State
Arizona
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
PFOS
Perfluorooctane sulfonic acid
42.20ppt
1055% of limit
4 ppt⚠ Exceeds MCL
PFOA
Perfluorooctanoic acid
40.90ppt
1023% of limit
4 ppt⚠ Exceeds MCL
PFHxS
Perfluorohexane sulfonic acid
22.70ppt
227% of limit
10 ppt⚠ Exceeds MCL
lithium
57200.00pptNo federal limitUnregulated
PFBS
Perfluorobutane sulfonic acid
54.80pptNo federal limitUnregulated
PFPeA
Perfluoropentanoic acid
48.20pptNo federal limitUnregulated
PFHxA
Perfluorohexanoic acid
33.40pptNo federal limitUnregulated
PFBA
Perfluorobutanoic acid
32.00pptNo federal limitUnregulated
Show 2 more compounds detected at low levels
PFHpAPerfluoroheptanoic acid13.20 pptNo federal limit
PFDAPerfluorodecanoic acid3.50 pptNo federal limit

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 →