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States → Connecticut

NORWICH PUBLIC UTILITIES

PWS ID: CT1040011 · NORWICH, Connecticut 06360

PFAS Detected

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

Population Served
36,163
Total Violations
97
Health-Based Violations
59
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
12,846
County
New London
School/Daycare
No
MCL Violations
59
Monitoring Violations
24
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
TTHM MCL 56 2018
CARBON, TOTAL MR 24 2004
Consumer Confidence Rule Other 8 2020
Public Notice Other 3 2015
Total Haloacetic Acids (HAA5) MCL 3 2018

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 12 of 300 samples detected PFAS.

Contaminant Date Result MRL Status
PFBA 8/23/2023 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 8/23/2023 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 8/23/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 8/23/2023 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 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
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
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
PFTrDA 8/23/2023 <0.007 µg/L 0.007 µg/L Not Detected
PFTA 8/23/2023 <0.008 µg/L 0.008 µg/L Not Detected
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
PFPeS 8/23/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFHxA 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
PFHxS 8/23/2023 <0.003 µg/L 0.003 µg/L Not Detected
NEtFOSAA 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
11Cl-PF3OUdS 8/23/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFHpA 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
PFOS 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
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
NMeFOSAA 8/23/2023 <0.006 µg/L 0.006 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
PFTA 8/23/2023 <0.008 µg/L 0.008 µg/L Not Detected
PFHpA 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
PFNA 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
PFOA 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
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
NMeFOSAA 8/23/2023 <0.006 µg/L 0.006 µg/L Not Detected
PFTrDA 8/23/2023 <0.007 µg/L 0.007 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
PFBA 8/23/2023 <0.005 µg/L 0.005 µg/L Not Detected
lithium 8/23/2023 <9 µg/L 9 µg/L Not Detected
PFHpS 8/23/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 8/23/2023 <0.004 µg/L 0.004 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.