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
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
- Burlington Dept Public Works Water Division42,000 people · Surface water · VermontNo PFAS above limits
- South Burlington City Water System19,500 people · Purchased surface water · VermontNo PFAS above limits
- Rutland City Water Dept18,500 people · Surface water · VermontNo PFAS above limits
- Barre City Water System14,000 people · Surface water · VermontNo PFAS above limits
- Bennington Water Dept13,250 people · Surface water · VermontNo PFAS above limits
- Brattleboro Water Dept12,200 people · Surface water · VermontNo PFAS above limits
- Colchester Water System11,299 people · Purchased surface water · VermontNot in EPA's PFAS sample
- St Albans Water Dept10,200 people · Surface water · VermontNo PFAS above limitsAlso: 1 health-based violation since 2016
- Springfield Water Dept9,800 people · Groundwater · VermontNo PFAS above limits
- Essex Town Water System9,734 people · Purchased surface water · VermontNo PFAS above limits
- Essex Jct Water Dept9,500 people · Purchased surface water · VermontNo PFAS above limits
- Middlebury Water Dept9,379 people · Groundwater · VermontNo PFAS above limits
- Montpelier Water System8,912 people · Surface water · VermontNo PFAS above limits
- Winooski Water Dept8,500 people · Purchased surface water · VermontNo PFAS above limits
- Colchester Fire District 28,300 people · Purchased surface water · VermontNo PFAS above limits
Vermont cities and towns
Most health-based violations since 2016
- Okemo Village Condominiums Water System180 people · Groundwater · VermontUranium violations
- Christmas Tree – Sundown Condominium Water System110 people · Groundwater · VermontLead above action levelAlso: Radium (combined 226/228) violations
- Battleground Condominium Water System166 people · Groundwater · VermontRadium (combined 226/228) violations
- Hemlock Ridge Condominium Water System63 people · Groundwater · VermontRadium (combined 226/228) violations
- Killington Gateway I Condo Association68 people · Groundwater · VermontLead above action levelAlso: Radium (combined 226/228) violations
- Telemark Village Water System82 people · Groundwater · VermontRadium (combined 226/228) violations
- Meadows – Gables I Water System310 people · Purchased surface water · VermontHaloacetic acids (HAA5) violations
- Alburgh Fire District 187 people · Surface water · VermontHaloacetic acids (HAA5) violations
- Heritage Hill Association102 people · Purchased surface water · VermontHaloacetic acids (HAA5) violations
- Vernon Hall Water System50 people · Groundwater · VermontUranium violations
- South Hero Fire District 4760 people · Surface water · VermontHaloacetic acids (HAA5) violationsAlso: Total trihalomethanes (TTHM) violations
- Whiffletree Condominium Water System189 people · Groundwater · VermontRadium (combined 226/228) violations
- Gables II Water System22 people · Purchased surface water · VermontHaloacetic acids (HAA5) violations
- Rutland Town Fire District 1129 people · Purchased surface water · VermontHaloacetic acids (HAA5) violationsAlso: Lead near 2027 level
- Huntington Fire District 1120 people · Groundwater · VermontColiform bacteria violation
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.