PAYSON TOWN OF
High Risk3 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.
10
PFAS Detected
3
Above EPA Limits
1
ZIP Served
Groundwater
Water Source
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
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 | 57200.00ppt | No federal limit | — | Unregulated |
PFBS Perfluorobutane sulfonic acid | 54.80ppt | No federal limit | — | Unregulated |
PFPeA Perfluoropentanoic acid | 48.20ppt | No federal limit | — | Unregulated |
PFHxA Perfluorohexanoic acid | 33.40ppt | No federal limit | — | Unregulated |
PFBA Perfluorobutanoic acid | 32.00ppt | No federal limit | — | Unregulated |
Show 2 more compounds detected at low levels
| PFHpAPerfluoroheptanoic acid | 13.20 ppt | No federal limit |
| PFDAPerfluorodecanoic acid | 3.50 ppt | No federal limit |
About this data
Source
EPA UCMR 5 — January 2026 release
Sampling period
January 2023 – December 2025
Water system ID (PWSID)
AZ0404032
Detection threshold (MRL)
~1.5–2 ppt — "Not detected" means below this floor