Environmental Rules in Middleton, WI (2026)
3 verified environmental rules for Middleton, Wisconsin, sourced directly from the municipal code and official government pages.
Verified from official government sources
Stormwater Management
Middleton requires a Storm Water Runoff Control permit for new development that creates 20,000 square feet or more of impervious surface, or redevelopment disturbing 4,000 square feet or more, and mandates an 80 percent sediment-load reduction for new development under Chapter 26.
Stormwater Runoff Control Rules Middleton
Some RestrictionsCity of Middleton Municipal Code §§ 26.04(1)(c) and 26.06(1)(a)1
1.New development that results in the creation of new impervious surface area that equals or exceeds twenty thousand (20,000) square feet.2.Redevelopment that involves a land disturbance, impervious or otherwise, that equals or exceeds four thousand (4,000) square feet. ... 1.For new development, practices shall be designed to reduce by eighty (80) percent the total suspended solids load within...
Erosion Control
Middleton requires an Erosion Control Plan and land disturbing permit for construction disturbing more than 4,000 square feet, moving over 400 cubic yards, or grading slopes steeper than 12 percent, capping soil loss at 7.5 tons per acre per year under Chapter 28.
Erosion Control Permit Rules Middleton
Some RestrictionsCity of Middleton Municipal Code §§ 28.04(1)(b) and 28.06(1)(a)3
1.An area of land greater than four thousand (4,000) square feet; or2.A volume of excavation and/or filling greater than four hundred (400) cubic yards; or ... 3.Limit permissible annual cumulative net soil loss from a site, for exposed areas, to a maximum 7.5 tons per acre per year.
Flood Elevation Requirements
Middleton's Floodplain Zoning Ordinance requires the lowest floor of new and substantially improved residential structures in the floodfringe to sit at or above the flood protection elevation, defined as two feet of freeboard above the Regional Flood Elevation, with fill extending at least 15 feet past the structure.
Flood Protection Elevation Freeboard Middleton
Some RestrictionsCity of Middleton Municipal Code §§ 24.05(3)(a)1 and 24.11(33)
1.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 15 feet beyond the limits of the structure. ... (33)"Flood Protection El...
Looking for Dane County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Middleton city rules.
Environmental Rules in Dane County →