Water Quality Standards

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MAP's Assessment and Listing Process is driven by Vermont's State Water Quality Standards. In 2017, DEC completed a review and update of the Vermont Water Quality Standards. A triennial review of state water quality standards is required by the Clean Water Act. DEC is conducting pre-rulemaking outreach for the 2021 triennial review.


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