Tap Water Results

Vermont tap water quality

404 community water systems serving 465,050 people.

Data: U.S. EPA · How we read the data · How we check it

0
systems with PFAS above a federal limit
0
people served by them
34
systems EPA tested for PFAS
7
systems above the lead action level

PFAS: EPA's 2023–2025 testing. Lead: results from the last five years. 2 more systems have no recent lead results in EPA's database.

Vermont's own PFAS limits

Vermont enforces its own drinking water limits for PFAS (effective: 2026-01-01): PFOA 4 ppt, PFOS 4 ppt, PFHxS 10 ppt, PFNA 10 ppt, HFPO-DA 10 ppt. The federal limits are 4 ppt for PFOA and PFOS.

State Water Supply Rule. It adds Hazard Index MCL of 1 (PFHxS, PFNA, HFPO-DA, PFBS). Replaced 2020 VT MCL of 20 ppt sum of PFOA, PFOS, PFHxS, PFHpA, PFNA.

Source: Vermont DEC: 2026 Water Supply Rule PFAS operator training (March 2026). See also https://dec.vermont.gov/water/drinking-water/water-quality-monitoring/pfas, checked 2026-11-14. Utility pages compare each system's EPA results with these limits. State compliance is judged on the state's own sampling.

Largest water systems in Vermont

Vermont cities and towns

Most health-based violations since 2016

Questions

Does Vermont tap water have PFAS?

EPA tested 34 community water systems in Vermont for 29 PFAS between 2023 and 2025. 0 had at least one regulated PFAS detected, and 0 had an entry-point average above a 2024 federal limit. Those 0 systems serve about 0 people. Systems have until 2029 to meet the limits.

How many Vermont water systems have violations?

81 systems in Vermont had at least one health-based violation since 2016 (236 violations in total). 195 violations are currently listed as unaddressed.

Which Vermont water systems are over the lead action level?

7 systems had a lead 90th percentile above the 15 ppb action level in their most recent results from the last five years. Another 2 systems have no lead results in EPA's database from the last five years. Lead depends on each home's pipes, so a test of your own tap is the only way to know your level.

Source: U.S. EPA drinking water records and PFAS testing (UCMR 5). How we read the data.