Environmental Rules in Lynn, MA (2026)
5 verified environmental rules for Lynn, Massachusetts, sourced directly from the municipal code and official government pages.
Verified from official government sources
Stormwater Management
Lynn discharges stormwater under the Massachusetts Small MS4 permit, administered with the Lynn Water and Sewer Commission. Illicit discharges to the storm drain system are prohibited, with priority cleanup targeting the King's Beach and Stacey's Brook watershed.
Lynn Stormwater & Illicit Discharge Rules
Some RestrictionsErosion Control
Land-disturbing work in Lynn requires erosion and sediment controls. Sites near the coast, wetlands, or waterways need a Conservation Commission Order of Conditions, and projects disturbing an acre or more fall under the federal construction stormwater permit.
Lynn Erosion & Sediment Control Rules
Some RestrictionsCoastal Development
Lynn sits on Lynn Harbor and Massachusetts Bay, so shoreline work is tightly controlled. The Massachusetts Wetlands Protection Act and the Lynn Conservation Commission govern coastal banks, beaches, tidal flats, and land subject to coastal storm flowage; Chapter 91 licenses work in tidelands.
Lynn Coastal & Wetlands Development Rules
Heavy RestrictionsMassachusetts General Laws c.131 §40 (Wetlands Protection Act)
No person shall remove, fill, dredge or alter any bank, riverfront area, fresh water wetland, coastal wetland, beach, dune, flat, marsh, meadow or swamp bordering on the ocean or on any estuary, creek, river, stream, pond, or lake, or any land under said waters or any land subject to tidal action, coastal storm flowage, or flooding ... without filing written notice of his intention to so remove...
Flood Zones
Lynn enforces a floodplain overlay district and participates in the National Flood Insurance Program. New FEMA flood maps took effect July 8, 2025, expanding Special Flood Hazard Areas in northern Lynn; development in an SFHA needs a permit and must meet elevation standards.
Lynn Flood Zone & Floodplain Overlay Rules
Heavy RestrictionsGrading & Drainage
Significant earth-moving in Lynn requires a building permit, and drainage cannot be redirected onto neighboring lots. Grading near wetlands, coastal banks, or the harbor also needs Lynn Conservation Commission review under the Wetlands Protection Act.
Lynn Grading & Drainage Rules
Some RestrictionsLooking for Essex County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Lynn city rules.
Environmental Rules in Essex County →