DTMA MAIN SYSTEM
High Risk2 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.
9
PFAS Detected
2
Above EPA Limits
8
ZIPs Served
Groundwater
Water Source
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFOA Perfluorooctanoic acid | 14.20ppt | 355% of limit
| 4 ppt | ⚠ Exceeds MCL |
PFOS Perfluorooctane sulfonic acid | 13.40ppt | 335% of limit
| 4 ppt | ⚠ Exceeds MCL |
PFNA Perfluorononanoic acid | 7.40ppt | 74% of limit
| 10 ppt | Below limit |
lithium | 15100.00ppt | No federal limit | — | Unregulated |
PFPeA Perfluoropentanoic acid | 10.40ppt | No federal limit | — | Unregulated |
PFBS Perfluorobutane sulfonic acid | 9.80ppt | No federal limit | — | Unregulated |
PFHxA Perfluorohexanoic acid | 8.40ppt | No federal limit | — | Unregulated |
PFHpA Perfluoroheptanoic acid | 7.20ppt | No federal limit | — | Unregulated |
Show 1 more compound detected at low levels
| PFBAPerfluorobutanoic acid | 6.30 ppt | No federal limit |
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)
PA1090128
Detection threshold (MRL)
~1.5–2 ppt — "Not detected" means below this floor