Environmental Rules in Racine County, WI (2026)

Racine County Code § 18-385

The subdivider shall construct stormwater drainage facilities adequate to serve the subdivision, which may include curbs and gutters, catch basins and inlets, storm sewers, road ditches, open channels, water retention structures or detention basins and settling basins. All such facilities shall be of adequate size and grade to hydraulically accommodate the design volumes of flow as required by ...

Racine County Code § 18-391

An approving authority shall, upon determining from a review of the plat that the soil, slope, vegetation and drainage characteristics of the site are such as to require substantial cutting, clearing, grading or other earth-moving operations in the development of the subdivision or to otherwise entail a severe erosion hazard, require the subdivider to provide soil erosion and sedimentation cont...

Wis. Stat. §87.30(1)(a), (2)(a)

87.30(1)(a) (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 fi...

Racine County Code § 20.1-4.3(1)(a) (see also § 20.1-10.0 defining "flood protection elevation")

All new construction, including placement of manufactured homes, and substantial improvement of residential structures, shall have the lowest floor elevated to or above the flood protection elevation on fill. The fill around the structure shall be one (1) foot or more above the regional flood elevation extending at least fifteen (15) feet beyond the limits of the structure. If fifteen (15) feet...