Waterways Program (Chapter 91) | Mass.gov

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This page, Waterways Program (Chapter 91), is offered by
Massachusetts Department of Environmental Protection
Massachusetts Office of Coastal Zone Management (CZM)

MassDEP administers the regulatory provisions of the Massachusetts Public Waterfront Act (the oldest waterways law in the United States), commonly called "Chapter 91". The program issues licenses for projects in waterways and ensures that projects meet public-access requirements.

First time? Start here.

Guide:

Waterways Permitting - Frequently Asked Questions

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