Service Description: The Department is now in the process of conducting a Triennial Review. These layers show the proposals for upgrades of water quality classifications.
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Description: Maine's water quality standards describe what uses, such as recreation or fishing, are appropriate for which waterbodies, and which criteria and antidegradation measures are in place to protect those uses. More information on Maine's water quality standards can be accessed on DEP's Water Quality Standards page, which provides links to existing Maine statutes and rules.
The federal Clean Water Act (§303(c)(1); 40 CFR Part 131.20 - federal rules, off-site) requires that states periodically, but at least once every 3 years, hold public hearings for the purpose of reviewing water quality standards and, as appropriate, modifying and developing standards. This process in known as the Triennial Review. Maine Statute contains similar language in 38 M.R.S.§464.3.B.
The Department is now in the process of conducting a Triennial Review. These layers show the proposals for upgrades of water quality classifications.
Copyright Text: Maine Department of Environmental Protection
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