Environmental Rules in Madison, WI (2026)
10 verified environmental rules for Madison, Wisconsin, sourced directly from the municipal code and official government pages.
Verified from official government sources
Stormwater Management
Madison enforces MGO Chapter 37 stormwater ordinance. New development disturbing 10,000+ sq ft requires permits, BMPs, and 80% TSS removal. Protects Yahara Lakes watershed. WPDES MS4 permit applies citywide.
Environmental: Stormwater
Heavy RestrictionsErosion Control
Madison MGO 37 requires erosion control plans for any disturbance of 4,000+ sq ft. Silt fence, inlet protection, and stabilized construction entrances mandatory. Aligns with WI NR 151 statewide standards.
Environmental: Erosion Control
Heavy RestrictionsCoastal Development
While Madison is not on an ocean coast, development along its extensive lakeshores is heavily regulated. Wisconsin shoreland zoning laws apply within 1,000 feet of lakes and 300 feet of rivers. Madison's zoning code Chapter 28 includes waterfront overlay districts for Lakes Mendota, Monona, Wingra, and Waubesa. Vegetative buffers are required near shorelines, and impervious surface limits are stricter for lakefront properties to protect water quality.
Madison Waterway & Shoreline Development
Some RestrictionsFlood Zones
Madison sits on the Yahara River chain (Lakes Mendota, Monona, Waubesa, Kegonsa). FEMA flood insurance required in SFHA Zones A/AE. MGO 28.149 floodplain zoning mirrors WI NR 116 state floodplain rules.
Environmental: Flood Zones
Heavy RestrictionsGrading & Drainage
Madison MGO 37 requires grading permits for movement of 50+ cubic yards or slope changes exceeding 3:1. Drainage must not adversely affect neighbors. Positive drainage from structures required per building code.
Environmental: Grading Drainage
Some RestrictionsVehicle Idling Restrictions
Madison restricts unnecessary motor-vehicle idling, particularly for diesel trucks and buses near schools, hospitals, and residential buildings, to reduce particulate exposure and align with the Climate Action Plan's air-quality goals.
Vehicle Idling Limits Near Schools and Buildings
Some RestrictionsGas Leaf Blower Ban
Madison limits the hours and days when gas-powered leaf blowers may operate and supports a transition to electric equipment for city crews, citing noise, fine-particulate emissions, and Climate Action Plan goals as the basis.
Restrictions on Gas-Powered Leaf Blowers
Some RestrictionsClimate Emergency Mobilization
Madison adopted a Climate Action Plan committing to 100% renewable energy and net-zero greenhouse-gas emissions, and the Common Council declared a climate emergency directing accelerated action across city operations and community programs.
Madison Climate Action Plan and Emergency Declaration
Some RestrictionsSustainable Procurement
Madison's sustainable-procurement policy requires city departments and contractors to prefer products and services meeting recycled-content, energy-efficiency, and low-toxicity standards consistent with the Climate Action Plan and the Sustainable Madison Committee's guidance.
Sustainable Purchasing Standards for City Contracts
Some RestrictionsCool Roof Requirements
Madison encourages cool-roof and reflective-surface installations on commercial and large multifamily buildings to reduce urban heat-island effects, lower cooling demand, and support Climate Action Plan goals tied to electrification of buildings.
Cool-Roof and Reflective Surface Standards
Few RestrictionsLooking for Dane County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Madison city rules.
Environmental Rules in Dane County →