Erosion Control: Ayer vs Somerville
How do erosion control rules compare between Ayer, MA and Somerville, MA?
Ayer and Somerville have similar restriction levels.
Ayer, MA
Middlesex County
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 →Somerville, MA
Middlesex County
Construction sites in Somerville must install silt fence, stabilized entrances, and inlet protection before earthwork. Violations are $300 per day.
View full Somerville rules →Key Facts Comparison
| Fact | Ayer | Somerville |
|---|---|---|
| Regs | 310 CMR 10.00 | - |
| Stabilization | Within 14 days | 14 days for inactive areas |
| Core BMPs | Silt fence, inlets | - |
| Permit doc | Order of Conditions | - |
| Enforcement | ConCom and DPW | - |
| Design guide | - | MA Stormwater Handbook |
| Required BMPs | - | Silt fence, stabilized entry, inlet protection |
| Wetland jurisdiction | - | 100 feet Conservation |
| Fine | - | $300 per day typical |
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.
Somerville FAQ
Do I need erosion controls for a small home addition?
Yes if you are disturbing soil. At minimum install silt fence around stockpiles and protect nearby catch basins. Permit conditions will specify.
Who inspects erosion controls?
DPW Engineering inspects larger projects; ISD building inspectors flag BMP failures on smaller permits. Complaints can be filed via Somerville 311.
Compare other topics
See how Ayer and Somerville compare on other ordinance categories.
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