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Waterways Program (Chapter 91)

Learn about the Massachusetts Public Waterfront Act, the oldest waterways law in the nation.

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.

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Guide:
Waterways Permitting - Frequently Asked Questions 

What would you like to do?

Top tasks

WW 24: General License Certification  All Waterways Forms 

What you need to know

Overview of Chapter 91  Chapter 91 - Frequently Asked Questions  310 CMR 9.00: The Massachusetts Waterways Regulation  All Waterways Laws, Regulations, and Guidance  Waterways File Review & Research  Chapter 91 General Licenses Filed with Registries of Deeds 
See all 7 of Waterways Program (Chapter 91) 

Contact Information

Address

1 Winter Street, 5th floor, Boston, MA 02108
Directions 

Phone

617-292-5929

Online

DEP.Waterways@mass.gov

More Information

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