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Water Quality Standards

waterbody collage

MAP's Assessment and Listing Process is driven by Vermont's State Water Quality Standards. In 2022, DEC completed a review and update of the Vermont Water Quality Standards. A triennial review of state water quality standards is required by the federal Clean Water Act. See Triennial Review below for more information.

Current Vermont Water Quality Standards
Supporting Documents
Previous Vermont Water Quality Standards 


Additonal information on water quality regulations and rules may be found at the Division's Laws, Regulations and Rule page.

2022 Triennial Review

Rulemaking Timeline
Proposed Water Quality Standards Rule and Supporting Documents
Pre-Rulemaking Stakeholder Outreach 
Stakeholder Comments Recieved