['Water Programs']

['Water Analysis', 'Water Monitoring', 'Maximum Contaminant Levels', 'Water Programs', 'Water Reporting', 'Toxic Water Pollutants']

11/25/2025

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Water Programs - Water Analysis
State Info

State Info

Drinking Water MCLs for PFAS Chemicals — Vermont

RegSense State Info Water Analysis Toxic Water Pollutants Water Programs Water Reporting Maximum Contaminant Levels Vermont Best Results Environmental Water Monitoring Water Programs English Focus Area CWA Compliance

Vermont has a state-specific interim Maximum Contaminant Level (MCL) of 20 parts per trillion (ppt) for the sum of five PFAS: PFOA, PFOS, PFHpA, PFHxS, and PFNA. 

If PFAS exceed the MCL, water systems are required to give public notice and develop short- and a long-term plans to address PFAS contamination. 

Vermont must adopt MCLs at least as stringent as the federal MCLs.

PFOA: 4 parts per trillion (ppt) 
PFOS: 4 ppt

Vermont House Bill 286, introduced February 20, 2025, was referred to the Committee on Environment. It would set MCLs for PFOA and PFOS at 0 ppt and 20 ppt for any other testable PFAS not specifically listed.

Related information

Safe Drinking Water Act ezExplanation 
Drinking water (SDWA) ezExplanation 
Vermont DEC PFAS in Drinking Water  
House Bill 286

Citations

Code of Vermont Rules Section 6.12  
Federal regulation 40 CFR Part 141 
Federal regulation 40 CFR Part 142 
Federal regulation 40 CFR Part 143

['Water Programs']

['Water Analysis', 'Water Monitoring', 'Maximum Contaminant Levels', 'Water Programs', 'Water Reporting', 'Toxic Water Pollutants']

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