Stormwater Management: Ayer vs Lexington
How do stormwater management rules compare between Ayer, MA and Lexington, MA?
Ayer and Lexington have similar restriction levels.
Ayer, MA
Middlesex County
Stormwater follows the MA Wetlands Protection Act (MGL c.131 s.40), MassDEP Stormwater Standards, and municipal MS4 bylaws under the EPA NPDES permit.
View full Ayer rules →Lexington, MA
Middlesex County
Stormwater follows the MA Wetlands Protection Act (MGL c.131 s.40), MassDEP Stormwater Standards, and municipal MS4 bylaws under the EPA NPDES permit.
View full Lexington rules →Key Facts Comparison
| Fact | Ayer | Lexington |
|---|---|---|
| State act | MGL c.131 s.40 | MGL c.131 s.40 |
| Wetlands regs | 310 CMR 10.00 | 310 CMR 10.00 |
| MS4 permit | EPA NPDES | EPA NPDES |
| Buffer | 100 ft of wetlands | 100 ft of wetlands |
| Trigger acre | CGP at 1 acre | CGP at 1 acre |
Highlighted rows indicate differences between cities.
Ayer FAQ
Who issues the local wetlands permit?
The municipal Conservation Commission, via a Notice of Intent filing.
Do small projects need stormwater BMPs?
Residential work may be exempt, but additions and new construction usually need at least infiltration measures.
Lexington FAQ
Who issues the local wetlands permit?
The municipal Conservation Commission, via a Notice of Intent filing.
Do small projects need stormwater BMPs?
Residential work may be exempt, but additions and new construction usually need at least infiltration measures.
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