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🌍 Environmental Rules/Coastal Development

Coastal Development: Ayer vs Cambridge

How do coastal development rules compare between Ayer, MA and Cambridge, MA?

Ayer and Cambridge have similar restriction levels.

Ayer, MA

Middlesex County

Heavy Restrictions

Massachusetts regulates all tidelands and coastal development statewide under Chapter 91 (MGL c.91) and 310 CMR 9.00, requiring state licenses for structures and fill in tidelands regardless of municipality.

View full Ayer rules β†’

Cambridge, MA

Middlesex County

Heavy Restrictions

Massachusetts regulates all tidelands and coastal development statewide under Chapter 91 (MGL c.91) and 310 CMR 9.00, requiring state licenses for structures and fill in tidelands regardless of municipality.

View full Cambridge rules β†’

Key Facts Comparison

FactAyerCambridge
StatuteMGL c.91MGL c.91
Regulation310 CMR 9.00310 CMR 9.00
IssuerMassDEP statewideMassDEP statewide
ScopeTidelands and waterwaysTidelands and waterways

Highlighted rows indicate differences between cities.

Ayer FAQ

Do I need a Chapter 91 license for a small dock in Massachusetts?

Yes for most docks, piers, and floats in tidelands or navigable waters. Some small recreational docks may qualify for general license categories under 310 CMR 9.05.

Does a local conservation permit replace a Chapter 91 license?

No. Chapter 91 licensing by MassDEP is separate from and in addition to local conservation commission orders under the Wetlands Protection Act.

Cambridge FAQ

Do I need a Chapter 91 license for a small dock in Massachusetts?

Yes for most docks, piers, and floats in tidelands or navigable waters. Some small recreational docks may qualify for general license categories under 310 CMR 9.05.

Does a local conservation permit replace a Chapter 91 license?

No. Chapter 91 licensing by MassDEP is separate from and in addition to local conservation commission orders under the Wetlands Protection Act.

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