PlainWater
States → Pennsylvania

SWT MAIN SYSTEM

PWS ID: PA3390065 · ALLENTOWN, Pennsylvania 18104

PFAS Detected

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

Population Served
14,500
Total Violations
536
Health-Based Violations
94
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
6,284
County
Lehigh
School/Daycare
No
MCL Violations
88
Monitoring Violations
429
Treatment Tech Violations
6

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 88 2015
Coliform (TCR) MR 23 2015
Total Haloacetic Acids (HAA5) MR 14 2015
Endothall MR 14 2014
Nitrate MR 12 2008
TTHM MR 12 2015
Endrin MR 10 2012
BHC-GAMMA MR 10 2012
Toxaphene MR 10 2012
Methoxychlor MR 10 2012
2,4-D MR 10 2012
2,4,5-TP MR 10 2012
2,3,7,8-TCDD MR 9 2017
Public Notice Other 8 2005
Groundwater Rule MR 8 2017
Chlorine MR 8 2024
Surface Water Treatment Rule MR 8 2024
1,2-DIBROMO-3-CHLOROPROPANE MR 6 2012
p-Dichlorobenzene MR 6 2012
1,1-Dichloroethylene MR 6 2012
Surface Water Treatment Rule TT 6 2016
1,2-Dichloroethane MR 6 2012
1,1,1-Trichloroethane MR 6 2012
Trichloroethylene MR 6 2012
Carbon tetrachloride MR 6 2012
Benzene MR 6 2012
ETHYLENE DIBROMIDE MR 6 2012
Glyphosate MR 5 2012
Di(2-ethylhexyl) adipate MR 5 2012
Simazine MR 5 2012

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 25 of 660 samples detected PFAS.

Contaminant Date Result MRL Status
PFBA 9/17/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFHxS 9/17/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 9/17/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 9/17/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 9/17/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 9/17/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 9/17/2024 0.0052 µg/L 0.003 µg/L Detected
PFUnA 9/17/2024 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 9/17/2024 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 9/17/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFBS 9/17/2024 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 9/17/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFHpA 9/17/2024 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 9/17/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 9/17/2024 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 9/17/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 9/17/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 9/17/2024 0.0086 µg/L 0.003 µg/L Detected
PFMBA 9/17/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 9/17/2024 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 9/17/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 9/17/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 9/17/2024 <0.003 µg/L 0.003 µg/L Not Detected
ADONA 9/17/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 9/17/2024 <0.004 µg/L 0.004 µg/L Not Detected
NMeFOSAA 9/17/2024 <0.006 µg/L 0.006 µg/L Not Detected
NEtFOSAA 9/17/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 9/17/2024 <0.007 µg/L 0.007 µg/L Not Detected
PFTA 9/17/2024 <0.008 µg/L 0.008 µg/L Not Detected
lithium 9/17/2024 <9 µg/L 9 µg/L Not Detected
PFPeA 9/17/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 9/17/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 9/17/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 9/17/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 9/17/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 9/17/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFDoA 9/17/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 9/17/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 9/17/2024 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 9/17/2024 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 9/17/2024 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 9/17/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 9/17/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 9/17/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 9/17/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFMBA 9/17/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 9/17/2024 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 9/17/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 9/17/2024 <0.004 µg/L 0.004 µg/L Not Detected
HFPO-DA 9/17/2024 <0.005 µg/L 0.005 µg/L Not 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.