PlainWater

MANCHESTER WATER DISTRICT

PWS ID: NY1330550 · LAGRANGEVILLE, New York 12540

PFAS Detected

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

Population Served
1,180
Total Violations
59
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
851
County
Dutchess
School/Daycare
No
MCL Violations
0
Monitoring Violations
57
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
1,2,4-Trichlorobenzene MR 2 2022
DICHLOROMETHANE MR 2 2022
o-Dichlorobenzene MR 2 2022
1,1-Dichloroethylene MR 2 2022
trans-1,2-Dichloroethylene MR 2 2022
1,1,1-Trichloroethane MR 2 2022
Carbon tetrachloride MR 2 2022
1,2-Dichloropropane MR 2 2022
CHLOROBENZENE MR 2 2022
Ethylbenzene MR 2 2022
Styrene MR 2 2022
cis-1,2-Dichloroethylene MR 2 2022
p-Dichlorobenzene MR 2 2022
Vinyl chloride MR 2 2022
1,2-Dichloroethane MR 2 2022
Trichloroethylene MR 2 2022
Benzene MR 2 2022
1,1,2-Trichloroethane MR 2 2022
Tetrachloroethylene MR 2 2022
Toluene MR 2 2022
Lead and Copper Rule MR 2 2008
Barium MR 1 2020
Cadmium MR 1 2020
Chromium MR 1 2020
CYANIDE MR 1 2020
Nickel MR 1 2020
Beryllium, Total MR 1 2020
Asbestos MR 1 2014
TTHM MR 1 2022
Total Haloacetic Acids (HAA5) MR 1 2022

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 3 of 60 samples detected PFAS.

Contaminant Date Result MRL Status
NMeFOSAA 7/24/2024 <0.006 µg/L 0.006 µg/L Not Detected
4:2 FTS 7/24/2024 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 7/24/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 7/24/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 7/24/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 7/24/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 7/24/2024 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 7/24/2024 <0.02 µg/L 0.02 µg/L Not Detected
6:2 FTS 7/24/2024 <0.005 µg/L 0.005 µg/L Not Detected
lithium 7/24/2024 <9 µg/L 9 µg/L Not Detected
PFTrDA 7/24/2024 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 7/24/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFTA 7/24/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFHpS 7/24/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 7/24/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 7/24/2024 0.0043 µg/L 0.004 µg/L Detected
PFBA 7/24/2024 0.0059 µg/L 0.005 µg/L Detected
PFHxS 7/24/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 7/24/2024 0.0030 µg/L 0.003 µg/L Detected
PFOS 7/24/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHpA 7/24/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 7/24/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 7/24/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 7/24/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 7/24/2024 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 7/24/2024 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 7/24/2024 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 7/24/2024 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 7/24/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFNA 7/24/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFUnA 1/22/2024 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 1/22/2024 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 1/22/2024 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 1/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 1/22/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 1/22/2024 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 1/22/2024 <0.005 µg/L 0.005 µg/L Not Detected
8:2 FTS 1/22/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFHxA 1/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 1/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
NMeFOSAA 1/22/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFPeA 1/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 1/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 1/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 1/22/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 1/22/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 1/22/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 1/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 1/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
NEtFOSAA 1/22/2024 <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.