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MassDEP Waterways Laws, Regulations, and Guidance

How MassDEP administers the Public Waterfront Act.

Laws and rules governing public access to waterways and the permitting of dredging projects.

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Waterways Law: The Public Waterfront Act

Massachusetts General Laws, Chapter 91 

Chapter 91 Waterways Story Map

Chapter 91 Waterways Story Map and License and Permit Viewer 

Waterways Regulations

310 CMR 9.00: The Massachusetts Waterways Regulation 
314 CMR 9.00: 401 Water Quality Certification 

Waterways Guidance

Open PDF file, 360.22 KB,  Massachusetts Great Ponds List (English, PDF 360.22 KB)
Open DOC file, 37.5 KB,  Evaluating State Harbor Lines (English, DOC 37.5 KB)
Open DOC file, 36.5 KB,  Evaluating Unauthorized Change in Use or Structural Alterations (English, DOC 36.5 KB)
Open PDF file, 177.5 KB,  Floating Solar Photovoltaic Projects: Frequently Asked Questions - Waterways Program (English, PDF 177.5 KB)
Open PDF file, 718.87 KB,  MassDEP/Massport Memoranda of Understanding for East Boston (English, PDF 718.87 KB)
Open DOC file, 43 KB,  MassDEP/Massport Memoranda of Understanding for East Boston - Chapter 91 Substitutions & Offsets Summary (English, DOC 43 KB)
Open PDF file, 226.54 KB,  MassDEP/Massport Memorandum of Understanding Exhibit A, East Boston Piers (English, PDF 226.54 KB)
Signage Specifications of the Waterways Regulation Program 
CZM: Dredged Material Management Plan Technical Reports 

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