Methuen, MA Environmental Rules: Stormwater Management (2026)

Stormwater in the City of Methuen is handled through site plan review in Article XII of the Comprehensive Zoning Ordinance. Under § 12.2, site plan approval is required for construction of, addition to or alteration of any building over 5,000 gross square feet (single- and two-family residential structures excluded), two or more nonresidential buildings on one lot, zero front yard setbacks in the Central Business District, development of recorded CBD lots under 4,000 square feet, drive-through facilities and standalone kiosks, multifamily dwellings and day-care centers.

Section 12.3(A)(2) lets the Community Development Board require traffic impact studies, drainage basin studies and review by the Commonwealth of Massachusetts. Under § 12.3(C), the Board can require drainage calculations, impose reasonable conditions including performance guarantees at the applicant's expense, and must find that any new building construction or site alteration provides adequate provision for utilities and stormwater drainage consistent with the Board's Subdivision Rules and Regulations. Among the listed objectives, the design must minimize cut and fill, wetland vegetation displaced, the extent of stormwater flow increase from the site and soil erosion, minimize groundwater contamination from on-site wastewater disposal and hazardous substance storage, and ensure compliance with the Massachusetts Department of Environmental Protection Stormwater Policy. Subsection E limits the Board's determination to the placement of buildings, provisioning of waste disposal, surface drainage, parking areas, driveways, buffer zones and intersections.

Site plan approval needs a public hearing under § 12.8, lapses after two years if a substantial use has not commenced (§ 12.4), and is appealed under MGL c. 40A, § 17 (§ 12.7). Related provisions: stormwater run-off from a personal wireless service facility must be contained on-site (§ 11.20(E)(3)), and wind and large-scale solar applicants file operation and maintenance plans covering stormwater controls (§ 11.9, § 5.21). Open space residential developments (§ 11.21) must show a conceptual landscape plan for structural surface stormwater facilities.