PlainWater

UNIVERSITY OF RHODE ISLAND

PWS ID: RI1858422 · KINGSTON, Rhode Island 02881

PFAS Detected

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

Population Served
19,354
Total Violations
198
Health-Based Violations
48
Water Source
Groundwater

System Details

System Type
Community
Owner Type
State
Connections
165
County
Washington
School/Daycare
Yes
MCL Violations
48
Monitoring Violations
150
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 48 2008
BHC-GAMMA MR 5 2017
Methoxychlor MR 5 2017
Di(2-ethylhexyl) adipate MR 5 2017
OXAMYL MR 5 2017
Simazine MR 5 2017
Dinoseb MR 5 2017
Aldicarb sulfoxide MR 5 2017
Carbofuran MR 5 2017
Atrazine MR 5 2017
LASSO MR 5 2017
Heptachlor epoxide MR 5 2017
Chlordane MR 5 2017
TTHM MR 5 2019
Benzo(a)pyrene MR 5 2017
ETHYLENE DIBROMIDE MR 5 2017
Heptachlor MR 5 2017
2,4,5-TP MR 5 2017
Pentachlorophenol MR 5 2017
Aldicarb sulfone MR 5 2017
Aldicarb MR 5 2017
2,4-D MR 5 2017
1,2-DIBROMO-3-CHLOROPROPANE MR 5 2017
Di(2-ethylhexyl) phthalate MR 5 2017
Picloram MR 5 2017
Dalapon MR 5 2017
Endrin MR 5 2017
Toxaphene MR 5 2017
HEXACHLOROBENZENE MR 5 2017
Total Haloacetic Acids (HAA5) MR 5 2019

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 18 of 60 samples detected PFAS.

Contaminant Date Result MRL Status
PFHxA 8/17/2023 0.0080 µg/L 0.003 µg/L Detected
PFUnA 8/17/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFDoA 8/17/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 8/17/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 8/17/2023 0.0160 µg/L 0.004 µg/L Detected
PFTA 8/17/2023 <0.008 µg/L 0.008 µg/L Not Detected
NEtFOSAA 8/17/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFPeS 8/17/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFTrDA 8/17/2023 <0.007 µg/L 0.007 µg/L Not Detected
NMeFOSAA 8/17/2023 <0.006 µg/L 0.006 µg/L Not Detected
4:2 FTS 8/17/2023 <0.003 µg/L 0.003 µg/L Not Detected
lithium 8/17/2023 9.9900 µg/L 9 µg/L Detected
PFHpS 8/17/2023 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 8/17/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFMBA 8/17/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 8/17/2023 0.0070 µg/L 0.003 µg/L Detected
PFEESA 8/17/2023 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 8/17/2023 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 8/17/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 8/17/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFHxS 8/17/2023 0.0030 µg/L 0.003 µg/L Detected
PFMPA 8/17/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFHpA 8/17/2023 0.0060 µg/L 0.003 µg/L Detected
HFPO-DA 8/17/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFNA 8/17/2023 0.0040 µg/L 0.004 µg/L Detected
PFOS 8/17/2023 0.0040 µg/L 0.004 µg/L Detected
11Cl-PF3OUdS 8/17/2023 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 8/17/2023 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 8/17/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 8/17/2023 0.0090 µg/L 0.003 µg/L Detected
PFTrDA 3/5/2024 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 3/5/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFTA 3/5/2024 <0.008 µg/L 0.008 µg/L Not Detected
NMeFOSAA 3/5/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFPeS 2/14/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFMPA 2/14/2024 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 2/14/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFEESA 2/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 2/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 2/14/2024 0.0070 µg/L 0.003 µg/L Detected
PFDoA 2/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 2/14/2024 0.0160 µg/L 0.004 µg/L Detected
PFOS 2/14/2024 0.0050 µg/L 0.004 µg/L Detected
PFNA 2/14/2024 0.0070 µg/L 0.004 µg/L Detected
PFHxS 2/14/2024 0.0040 µg/L 0.003 µg/L Detected
PFHpA 2/14/2024 0.0060 µg/L 0.003 µg/L Detected
PFBS 2/14/2024 0.0070 µg/L 0.003 µg/L Detected
PFHpS 2/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
lithium 2/14/2024 11.5000 µg/L 9 µg/L Detected
PFDA 2/14/2024 <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.