PlainWater

KINGSTON WATER DISTRICT

PWS ID: RI1858421 · WEST KINGSTON, Rhode Island 02892

PFAS Detected

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

Population Served
3,968
Total Violations
317
Health-Based Violations
5
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
1,092
County
Washington
School/Daycare
No
MCL Violations
5
Monitoring Violations
305
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Atrazine MR 13 2023
Arsenic MR 8 2023
Cadmium MR 8 2023
Mercury MR 8 2023
Beryllium, Total MR 8 2023
Selenium MR 8 2023
Chromium MR 8 2023
CYANIDE MR 8 2023
Nickel MR 8 2023
Antimony, Total MR 8 2023
Thallium, Total MR 8 2023
Barium MR 8 2023
Consumer Confidence Rule Other 7 2017
Nitrate MR 6 2018
Coliform (TCR) MCL 5 2013
Endrin MR 5 2023
Methoxychlor MR 5 2023
Toxaphene MR 5 2023
Dalapon MR 5 2023
Simazine MR 5 2023
Picloram MR 5 2023
Dinoseb MR 5 2023
Aldicarb sulfone MR 5 2023
Aldicarb MR 5 2023
Heptachlor MR 5 2023
2,4,5-TP MR 5 2023
HEXACHLOROBENZENE MR 5 2023
Pentachlorophenol MR 5 2023
1,2-DIBROMO-3-CHLOROPROPANE MR 5 2023
ETHYLENE DIBROMIDE MR 5 2023

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 21 of 180 samples detected PFAS.

Contaminant Date Result MRL Status
PFMPA 6/4/2024 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 6/4/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFPeS 6/4/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 6/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 6/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 6/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 6/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
4:2 FTS 6/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 6/4/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFDoA 6/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 6/4/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFBS 6/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 6/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 6/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 6/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 6/4/2024 <0.004 µg/L 0.004 µg/L Not Detected
6:2 FTS 6/4/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFHxA 6/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 6/4/2024 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 6/4/2024 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 6/4/2024 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 6/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 6/4/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 6/4/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFNA 6/4/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFMBA 6/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 6/4/2024 0.0077 µg/L 0.003 µg/L Detected
PFHpS 6/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 6/4/2024 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 6/4/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFEESA 6/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 6/4/2024 0.0055 µg/L 0.003 µg/L Detected
8:2 FTS 6/4/2024 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 6/4/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 6/4/2024 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 6/4/2024 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 6/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 6/4/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFMPA 6/4/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFUnA 6/4/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFHpA 6/4/2024 0.0042 µg/L 0.003 µg/L Detected
11Cl-PF3OUdS 6/4/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBS 6/4/2024 0.0290 µg/L 0.003 µg/L Detected
PFHxS 6/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 6/4/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 6/4/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 6/4/2024 0.0043 µg/L 0.004 µg/L Detected
PFDA 6/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 6/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
4:2 FTS 6/4/2024 <0.003 µg/L 0.003 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.