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🌍 Environmental Rules/Erosion Control

Erosion Control: Ayer vs Cambridge

How do erosion control rules compare between Ayer, MA and Cambridge, MA?

Ayer and Cambridge have similar restriction levels.

Ayer, MA

Middlesex County

Heavy Restrictions

Erosion and sediment control is required under the Wetlands Protection Act and local bylaws. Silt fence, stabilized entrances, and inlet protection are standard.

View full Ayer rules β†’

Cambridge, MA

Middlesex County

Heavy Restrictions

Cambridge construction sites must install erosion and sediment controls under the Stormwater Ordinance and state Wetlands Protection Act, with silt fencing, inlet protection, and stabilized entrances required.

View full Cambridge rules β†’

Key Facts Comparison

FactAyerCambridge
Regs310 CMR 10.00-
StabilizationWithin 14 daysWithin 14 days
Core BMPsSilt fence, inlets-
Permit docOrder of Conditions-
EnforcementConCom and DPW-
Trigger-1 acre disturbance
BMPs-Silt fence, inlet protection
Wetlands law-MGL c.131 s.40
Non-compliance-Stop-work order

Highlighted rows indicate differences between cities.

Ayer FAQ

Do I need a SWPPP?

Yes for sites disturbing one acre or more under the EPA CGP.

What is a ConCom?

The local Conservation Commission, which administers the Wetlands Protection Act.

Cambridge FAQ

What BMPs are required for a Cambridge construction site?

Silt fencing, inlet protection, stabilized entrances, and prompt stabilization of exposed soils at minimum.

Does the Conservation Commission review projects?

Yes, projects within 100 feet of wetlands or 200 feet of the Charles require filing under the Wetlands Protection Act.

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