PFAS in 01 water

The EPA tested public water systems across 01 for 29 PFAS. In 1 of them, at least one came back above a federal limit. Find your system below — you'll get the actual levels, our plain verdict on each compound, and the filter that genuinely removes it. We sell nothing.

Not listed? Your system may not have been sampled, or nothing exceeded a limit — see the national picture.

• Mashantucket Pequot Water System 1 over the limit

Source: US EPA UCMR 5 occurrence data, 2023–2025. · All states