AQUA PA MAIN SYSTEM
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
106
ZIPs Served
Surface
Water Source
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFOA Perfluorooctanoic acid | 12.60ppt | 315% of limit
| 4 ppt | ⚠ Exceeds MCL |
PFOS Perfluorooctane sulfonic acid | 9.20ppt | 230% of limit
| 4 ppt | ⚠ Exceeds MCL |
PFNA Perfluorononanoic acid | 12.00ppt | 120% of limit
| 10 ppt | ⚠ Exceeds MCL |
PFHxS Perfluorohexane sulfonic acid | 7.70ppt | 77% of limit
| 10 ppt | Below limit |
lithium | 15700.00ppt | No federal limit | — | Unregulated |
PFPeA Perfluoropentanoic acid | 21.80ppt | No federal limit | — | Unregulated |
PFHxA Perfluorohexanoic acid | 17.20ppt | No federal limit | — | Unregulated |
PFBA Perfluorobutanoic acid | 10.10ppt | No federal limit | — | Unregulated |
Show 2 more compounds detected at low levels
| PFBSPerfluorobutane sulfonic acid | 9.50 ppt | No federal limit |
| PFHpAPerfluoroheptanoic acid | 6.90 ppt | No federal limit |
ZIP Codes Served by This Utility
18929 18966 18974 18976 19001 19002 19003 19004 19006 19007 19008 19009 19012 19013 19014 19015 19017 19018 19020 19021 19022 19023 19025 19026 19027 19028 19029 19031 19032 19033 19034 19035 19036 19037 19038 19040 19041 19043 19044 19046 19047 19050 19052 19053 19059 19063 19064 19065 19066 19070 19072 19073 19074 19075 19076 19078 19079 19081 19082 19083 19085 19086 19087 19090 19094 19095 19096 19113 19131 19301 19312 19317 19319 19320 19333 19335 19340 19341 19342 19343 19345 19348 19350 19352 19355 19375 19380 19381 19382 19383 19395 19401 19403 19405 19406 19422 19428 19432 19444 19452 19460 19462 19479 19481 19482 19485
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)
PA1460073
Detection threshold (MRL)
~1.5–2 ppt — "Not detected" means below this floor