PlainWater
States → Pennsylvania

WEST MANCHESTER TWP AUTH

PWS ID: PA7670101 · YORK, Pennsylvania 17408

PFAS Detected

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

Population Served
9,960
Total Violations
1,200
Health-Based Violations
3
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
3,851
County
York
School/Daycare
No
MCL Violations
3
Monitoring Violations
1,188
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Styrene MR 47 2000
o-Dichlorobenzene MR 46 2000
p-Dichlorobenzene MR 46 2000
trans-1,2-Dichloroethylene MR 46 2000
Trichloroethylene MR 46 2000
1,1,2-Trichloroethane MR 46 2000
Toluene MR 46 2000
Xylenes, Total MR 46 2000
1,1-Dichloroethylene MR 46 2000
1,1,1-Trichloroethane MR 46 2000
1,2-Dichloropropane MR 46 2000
Tetrachloroethylene MR 46 2000
Benzene MR 46 2000
DICHLOROMETHANE MR 46 2000
CHLOROBENZENE MR 46 2000
Ethylbenzene MR 46 2000
1,2-Dichloroethane MR 46 2000
Carbon tetrachloride MR 46 2000
1,2,4-Trichlorobenzene MR 45 2000
cis-1,2-Dichloroethylene MR 45 2000
Nitrate MR 39 2023
Chlorine MR 30 2024
Coliform (TCR) MR 20 2006
Gross Alpha, Excl. Radon and U MR 18 2020
Radium-226 MR 15 2020
Radium-228 MR 15 2020
Combined Uranium MR 14 2020
Nitrite MR 13 2023
Di(2-ethylhexyl) phthalate MR 12 2017
TTHM MR 11 2022

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 6 of 90 samples detected PFAS.

Contaminant Date Result MRL Status
PFDoA 4/7/2025 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 4/7/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 4/7/2025 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 4/7/2025 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 4/7/2025 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 4/7/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 4/7/2025 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 4/7/2025 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 4/7/2025 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 4/7/2025 <0.005 µg/L 0.005 µg/L Not Detected
NFDHA 4/7/2025 <0.02 µg/L 0.02 µg/L Not Detected
PFHpS 4/7/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 4/7/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 4/7/2025 <0.004 µg/L 0.004 µg/L Not Detected
NMeFOSAA 4/7/2025 <0.006 µg/L 0.006 µg/L Not Detected
PFHxA 4/7/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 4/7/2025 <0.008 µg/L 0.008 µg/L Not Detected
PFOA 4/7/2025 <0.004 µg/L 0.004 µg/L Not Detected
NEtFOSAA 4/7/2025 <0.005 µg/L 0.005 µg/L Not Detected
lithium 4/7/2025 <9 µg/L 9 µg/L Not Detected
PFNA 4/7/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFBS 4/7/2025 0.0036 µg/L 0.003 µg/L Detected
PFHpA 4/7/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 4/7/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 4/7/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 4/7/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 4/7/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 4/7/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 4/7/2025 0.0062 µg/L 0.004 µg/L Detected
PFTrDA 4/7/2025 <0.007 µg/L 0.007 µg/L Not Detected
PFBS 4/7/2025 0.0048 µg/L 0.003 µg/L Detected
PFHpA 4/7/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 4/7/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 4/7/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 4/7/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 4/7/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFDoA 4/7/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 4/7/2025 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 4/7/2025 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 4/7/2025 <0.002 µg/L 0.002 µg/L Not Detected
PFPeS 4/7/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 4/7/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 4/7/2025 <0.003 µg/L 0.003 µg/L Not Detected
4:2 FTS 4/7/2025 <0.003 µg/L 0.003 µg/L Not Detected
NMeFOSAA 4/7/2025 <0.006 µg/L 0.006 µg/L Not Detected
PFHxA 4/7/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 4/7/2025 <0.008 µg/L 0.008 µg/L Not Detected
NFDHA 4/7/2025 <0.02 µg/L 0.02 µg/L Not Detected
NEtFOSAA 4/7/2025 <0.005 µg/L 0.005 µg/L Not Detected
lithium 4/7/2025 16.4000 µg/L 9 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.