PlainWater

NEWPORT-CITY OF

PWS ID: RI1592010 · NEWPORT, Rhode Island 02840

PFAS Detected

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

Population Served
42,155
Total Violations
134
Health-Based Violations
60
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
15,709
County
Newport
School/Daycare
No
MCL Violations
50
Monitoring Violations
68
Treatment Tech Violations
10

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
TTHM MCL 40 2013
Coliform (TCR) MCL 10 1995
Turbidity MR 10 2018
E. COLI MR 10 2018
Cryptosporidium MR 10 2018
Fluoride MR 9 1990
Atrazine MR 8 1995
CARBON, TOTAL TT 6 2002
Coliform (TCR) MR 5 2002
Chlorine dioxide MR 5 2007
Chlorite MR 5 2024
Public Notice Other 4 2010
Interim Enhanced Surface Water Treatment Rule TT 4 2002
Chlorine MR 3 2024
CARBON, TOTAL MR 3 2024

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 5 of 240 samples detected PFAS.

Contaminant Date Result MRL Status
lithium 8/23/2023 <9 µg/L 9 µg/L Not Detected
9Cl-PF3ONS 8/23/2023 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 8/23/2023 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 8/23/2023 <0.005 µg/L 0.005 µg/L Not Detected
NFDHA 8/23/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFBA 8/23/2023 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 8/23/2023 <0.005 µg/L 0.005 µg/L Not Detected
8:2 FTS 8/23/2023 <0.005 µg/L 0.005 µg/L Not Detected
11Cl-PF3OUdS 8/23/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFHxS 8/23/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 8/23/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 8/23/2023 0.0037 µg/L 0.003 µg/L Detected
PFMBA 8/23/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 8/23/2023 <0.003 µg/L 0.003 µg/L Not Detected
4:2 FTS 8/23/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 8/23/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFPeS 8/23/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 8/23/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFUnA 8/23/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFBS 8/23/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 8/23/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 8/23/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 8/23/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 8/23/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 8/23/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 8/23/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 8/23/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 8/23/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 8/23/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 8/23/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFDoA 8/23/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 8/23/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 8/23/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 8/23/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 8/23/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 8/23/2023 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 8/23/2023 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 8/23/2023 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 8/23/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 8/23/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFHpS 8/23/2023 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 8/23/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 8/23/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 8/23/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 8/23/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 8/23/2023 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 8/23/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 8/23/2023 <0.004 µg/L 0.004 µg/L Not Detected
HFPO-DA 8/23/2023 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 8/23/2023 <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.