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States → Pennsylvania

AQUA PA PERKIOMEN TOWNSHIP

PWS ID: PA1460069 · BRYN MAWR, Pennsylvania 19010

PFAS Detected

8 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.

Population Served
3,600
Total Violations
136
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
1,420
County
Montgomery
School/Daycare
No
MCL Violations
0
Monitoring Violations
124
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Nitrate MR 20 1996
Xylenes, Total MR 5 1994
1,1-Dichloroethylene MR 5 1994
1,2-Dichloroethane MR 5 1994
1,1,1-Trichloroethane MR 5 1994
Carbon tetrachloride MR 5 1994
1,2-Dichloropropane MR 5 1994
Benzene MR 5 1994
DICHLOROMETHANE MR 5 1994
Ethylbenzene MR 5 1994
Styrene MR 5 1994
cis-1,2-Dichloroethylene MR 5 1994
Tetrachloroethylene MR 5 1994
CHLOROBENZENE MR 5 1994
p-Dichlorobenzene MR 5 1994
1,2,4-Trichlorobenzene MR 5 1994
1,1,2-Trichloroethane MR 5 1994
o-Dichlorobenzene MR 5 1994
trans-1,2-Dichloroethylene MR 5 1994
Trichloroethylene MR 5 1994
Toluene MR 5 1994
Coliform (TCR) MR 4 1994
Consumer Confidence Rule Other 1 2001

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 42 of 300 samples detected PFAS.

Contaminant Date Result MRL Status
4:2 FTS 7/8/2024 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 7/8/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 7/8/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 7/8/2024 0.0065 µg/L 0.003 µg/L Detected
PFMBA 7/8/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 7/8/2024 0.0133 µg/L 0.003 µg/L Detected
NFDHA 7/8/2024 <0.02 µg/L 0.02 µg/L Not Detected
NEtFOSAA 7/8/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFPeS 7/8/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 7/8/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 7/8/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 7/8/2024 <0.007 µg/L 0.007 µg/L Not Detected
NMeFOSAA 7/8/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFHpA 7/8/2024 0.0047 µg/L 0.003 µg/L Detected
PFEESA 7/8/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 7/8/2024 <0.003 µg/L 0.003 µg/L Not Detected
lithium 7/8/2024 12.7000 µg/L 9 µg/L Detected
PFHxS 7/8/2024 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 7/8/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFOA 7/8/2024 0.0108 µg/L 0.004 µg/L Detected
PFNA 7/8/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFDoA 7/8/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 7/8/2024 0.0069 µg/L 0.003 µg/L Detected
PFUnA 7/8/2024 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 7/8/2024 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 7/8/2024 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 7/8/2024 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 7/8/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 7/8/2024 0.0061 µg/L 0.005 µg/L Detected
PFOS 7/8/2024 0.0074 µg/L 0.004 µg/L Detected
PFOA 7/8/2024 0.0063 µg/L 0.004 µg/L Detected
PFEESA 7/8/2024 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 7/8/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 7/8/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 7/8/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 7/8/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 7/8/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 7/8/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 7/8/2024 0.0062 µg/L 0.004 µg/L Detected
PFDA 7/8/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 7/8/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 7/8/2024 0.0038 µg/L 0.003 µg/L Detected
NMeFOSAA 7/8/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFNA 7/8/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFUnA 7/8/2024 <0.002 µg/L 0.002 µg/L Not Detected
lithium 7/8/2024 23.4000 µg/L 9 µg/L Detected
NEtFOSAA 7/8/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFPeA 7/8/2024 0.0037 µg/L 0.003 µg/L Detected
PFTA 7/8/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFBS 7/8/2024 0.0048 µg/L 0.003 µg/L Detected
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. PFAS data from EPA UCMR5 monitoring program (2023-2025). This data is provided for informational purposes only.