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Our mission is to establish water quality standards and monitor, protect, and restore the quality of Massachusetts waters.
How MassDEP establishes water quality standards, monitors surface water quality, performs assessments of designated uses, and develops plans to restore surface waters.
Learn about the Watershed Planning Program.
Develops and adopts standards to protect public health, aquatic life, and enhance the quality and value of surface waters in the Commonwealth.
Conducts biological and physico-chemical surface water sampling in support of multiple water quality management programs.
Manages biological and physico-chemical surface water quality data and performs biennial water quality assessments.
Develops plans to restore the quality of impaired surface waters.
Administers grants to assist the restoration of surface and groundwater impaired by nonpoint source pollution and protect water quality.
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