PlainWater

POTSDAM VILLAGE

PWS ID: NY4404397 · POTSDAM, New York 13676

Population Served
8,312
Total Violations
199
Health-Based Violations
48
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
1,702
County
St. Lawrence
School/Daycare
No
MCL Violations
47
Monitoring Violations
140
Treatment Tech Violations
1

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Total Haloacetic Acids (HAA5) MCL 35 2014
TTHM MCL 12 2017
Coliform (TCR) MR 6 2014
o-Dichlorobenzene MR 4 2008
p-Dichlorobenzene MR 4 2008
Vinyl chloride MR 4 2008
trans-1,2-Dichloroethylene MR 4 2008
1,2-Dichloroethane MR 4 2008
CHLOROBENZENE MR 4 2008
Benzene MR 4 2008
Toluene MR 4 2008
Ethylbenzene MR 4 2008
1,2,4-Trichlorobenzene MR 4 2008
cis-1,2-Dichloroethylene MR 4 2008
DICHLOROMETHANE MR 4 2008
Cadmium MR 4 1990
Nitrate MR 4 1990
Carbon tetrachloride MR 4 2008
Barium MR 4 1990
1,1-Dichloroethylene MR 4 2008
Mercury MR 4 1990
Styrene MR 4 2008
Chromium MR 4 1990
Tetrachloroethylene MR 4 2008
Arsenic MR 4 1990
Fluoride MR 4 1990
1,2-Dichloropropane MR 4 2008
Trichloroethylene MR 4 2008
1,1,2-Trichloroethane MR 4 2008
1,1,1-Trichloroethane MR 4 2008

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 120 samples detected PFAS.

Contaminant Date Result MRL Status
lithium 9/20/2023 <9 µg/L 9 µg/L Not Detected
4:2 FTS 9/20/2023 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 9/20/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFBS 9/20/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 9/20/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 9/20/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 9/20/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 9/20/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 9/20/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 9/20/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 9/20/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 9/20/2023 <0.002 µg/L 0.002 µg/L Not Detected
9Cl-PF3ONS 9/20/2023 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 9/20/2023 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 9/20/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 9/20/2023 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 9/20/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFHpS 9/20/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 9/20/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFHxA 9/20/2023 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 9/20/2023 <0.005 µg/L 0.005 µg/L Not Detected
NEtFOSAA 9/20/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFTA 9/20/2023 <0.008 µg/L 0.008 µg/L Not Detected
NMeFOSAA 9/20/2023 <0.006 µg/L 0.006 µg/L Not Detected
PFPeS 9/20/2023 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 9/20/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFEESA 9/20/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 9/20/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 9/20/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFTrDA 9/20/2023 <0.007 µg/L 0.007 µg/L Not Detected
PFEESA 7/12/2023 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 7/12/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFBS 7/12/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 7/12/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 7/12/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 7/12/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 7/12/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 7/12/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 7/12/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 7/12/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 7/12/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFUnA 7/12/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFHpS 7/12/2023 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 7/12/2023 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 7/12/2023 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 7/12/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 7/12/2023 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 7/12/2023 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 7/12/2023 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 7/12/2023 <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.