Environmental Rules in Lynn, MA (2026)
3 verified environmental rules for Lynn, Massachusetts, sourced directly from the municipal code and official government pages.
Verified from official government sources
Stormwater Management
Any Lynn project big enough to trigger site plan review, generally 5,000 or more square feet of new floor area, or ten or more added parking spaces, must satisfy the Site Plan Review Committee that its stormwater management system is adequate. Section 11.E.5.e of the Zoning Ordinance names stormwater adequacy as a mandatory review factor.
Lynn Site Plan Stormwater Review Rule
Some RestrictionsLynn Zoning Ordinance § 11.E.2.a, § 11.E.5.e
2. Applicability. Site plan review shall be required for: a. The construction, reconstruction, expansion or extension of one or more buildings on a lot where the combined gross floor area of all structures on the lot equals or exceeds 5,000 square feet. ... 5. Review Criteria. In conducting its review, the Approval Authority shall consider the adequacy of the proposal with respect to the follow...
Flood Zones
Any construction or development in Lynn's Floodplain Overlay District needs a permit before work starts. Section 10.A.5 of the City of Lynn Zoning Ordinance requires a permit for new construction, building changes, manufactured homes, fences, sheds, storage facilities, and any grading or drilling that could raise flood risk to other properties.
Lynn Floodplain Development Permit Rule
Significant RestrictionsLynn Zoning Ordinance § 10.A.5
5. PERMITS ARE REQUIRED FOR ALL PROPOSED DEVELOPMENT IN THE FLOODPLAIN OVERLAY DISTRICT. The City of Lynn requires a permit for all proposed construction or other development in the floodplain overlay district, including new construction or changes to existing buildings, placement of manufactured homes, placement of agricultural facilities, fences, sheds, storage facilities or drilling, mining,...
Flood Elevation Requirements
Lynn requires base flood elevation data for any subdivision or development in the Floodplain Overlay District larger than 50 lots or 5 acres, whichever is smaller. Section 10.A.11 of the Zoning Ordinance makes the proponent supply technical data pinpointing the base flood elevation for every developable parcel on the design plans.
Lynn Base Flood Elevation Data Rule
Some RestrictionsLynn Zoning Ordinance § 10.A.11
11. BASE FLOOD ELEVATION DATA FOR SUBDIVISION PROPOSALS. When proposing subdivisions or other developments greater than 50 lots or 5 acres (whichever is less., the proponent must provide technical data to determine base flood elevations for each developable parcel shown on the design plans.