AQUARION-RIDGEFIELD

PWSID: CT1180011 · SHELTON, CT · Serving 7,476 people

Type: CWSOwner: PSource: SW

Settlement eligible

May qualify for 3M/DuPont settlement funds

Exceeds MCL

One or more PFAS compounds exceed EPA Maximum Contaminant Levels. Corrective action required by 2031.

PFOA10.6 ppt(MCL: 4 ppt)

PFOS6.1 ppt(MCL: 4 ppt)

EPA MCL: 4 ppt (parts per trillion) for PFOA and PFOS individually. Compliance deadline: 2031-12-31

Exact contamination levels

Upgrade to Pro to see PFOA/PFOS ppt values and MCL comparison charts.

PFAS compounds detected

9.17 ppt

Highest single detection

Highest detection

Pro feature

2024-09-04

Latest sample date

complete

Data completeness

All PFAS detection results

Source: EPA UCMR5 (UCMR5) · 290 compounds tested

Contaminant	Result (ppt)	MCL (ppt)	Status	Sample date
9Cl-PF3ONS	ND	—	Below MRL	2024-12-03
11Cl-PF3OUdS	ND	—	Below MRL	2024-03-07

288 more results hidden