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Water Resources Laws & Rules

Statutes, regulations, standards, policies and guidance.

Learn more about state and federal water statutes, the MassDEP regulations and standards implementing them, and policy and guidance documents detailing how to comply.


Federal and state laws that govern MassDEP's water programs.

Water Resources Laws

Regulations & Standards

These regulations govern protection of the state's water resources.

Water Resources Regulations & Standards

Policies & Guidance

These documents describe how MassDEP's water programs administer applicable laws and regulations.

Water Resources Policies & Guidance