Environmental Rules in Neenah, WI (2026)
4 verified environmental rules for Neenah, Wisconsin, sourced directly from the municipal code and official government pages.
Verified from official government sources
Stormwater Management
Neenah requires an erosion-control permit for any construction site disturbing 4,000 square feet or more of land, and permitted sites over an acre must hold sediment discharge to five tons per acre a year, under Municipal Code § 22-260.
Stormwater Permit Rules (Neenah, WI)
Some RestrictionsNeenah Municipal Code § 22-260(a)(1)a-b
A permit is required for a construction site with 4,000 square feet or greater of land disturbing construction activity. The responsible party shall comply with all applicable provisions of this article for a permitted site, including the Subsection 22-292(b) performance standards, Section 22-293 permit requirements, and Section 22-294 plan requirements.b.A permit is not required for a construc...
Erosion Control
Neenah requires new subdivision lots to grade so runoff flows to a right-of-way, drainage way or storm sewer, with lawns near sidewalks sloped no more than three-fourths inch per foot: enforced through the subdivision plat and drainage plan, not a standalone grading permit.
Neenah Subdivision Grading and Drainage Rules
Some RestrictionsNeenah Municipal Code § 25-97(a)(1)
Wherever private or public property meets a public street right-of-way, public walkway easement or public walkway right-of-way, the finished grade of the lawn shall meet the sidewalk grade; and from any point within five feet of a public right-of-way or easement, the slope of the finished lawn to the sidewalk grade should not be more than three-fourths inch per foot computed from the top of the...
Flood Zones
The City of Neenah participates in the National Flood Insurance Program (NFIP) and regulates floodplain development in conformance with Wis. Stat. Sec. 87.30 and Wisconsin Administrative Code Chapter NR 116, plus 44 CFR Parts 59-72. Lake Winnebago and the Fox River are the principal flood sources through the city. Development in mapped Special Flood Hazard Areas requires zoning approval before any building permit is issued, new residential structures are prohibited in the regulatory floodway, and structures in the flood fringe must have the lowest floor of habitable space elevated to the flood protection elevation. FEMA Flood Insurance Rate Maps for Winnebago County and the City of Neenah are the regulatory maps.
Flood Zone Regulations (Neenah, WI)
Heavy RestrictionsWisconsin Statutes Sec. 87.30(1)(a), (2)(a)
If any county, city or village does not adopt a reasonable and effective floodplain zoning ordinance within one year after hydraulic and engineering data adequate to formulate the ordinance becomes available, the department shall, upon petition of an interested state agency or a municipality or upon its own motion as soon as practicable and after public hearing, determine and fix by order the l...
Flood Elevation Requirements
Wisconsin's mandatory floodplain program requires Neenah's flood-fringe construction to sit at or above the 'flood protection elevation': two feet of freeboard above the regional flood level.
Neenah Flood Protection Elevation Rule
Some RestrictionsNeenah Municipal Code § 22-109(1)(a)
(1)Residential uses. Any habitable structure, including a manufactured home, which is to be erected, constructed, reconstructed, altered, or moved into the flood fringe area, shall meet or exceed the following standards;(a)The elevation of the lowest floor, excluding the basement or crawlway, shall be at or above the flood protection elevation on fill. The fill shall be one foot or more above t...
Looking for Winnebago County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Neenah city rules.
Environmental Rules in Winnebago County →