Dane County Chapter 14 and Madison General Ordinance Ch. 37 require stormwater control plans for new development with 4,000+ sq ft of disturbance. Post-construction practices must reduce TSS by 80% and meet Yahara TMDL phosphorus limits.
Dane County Code Chapter 14 (Erosion Control and Stormwater Management) and Madison General Ordinance Ch. 37 implement Wisconsin NR 151 and NR 216 MS4 permit requirements. Projects disturbing 4,000+ sq ft (Madison) or 1 acre (unincorporated Dane County) require a stormwater management plan reviewed by DCLWRD or Madison City Engineering. Post-construction BMPs must achieve 80% TSS removal and meet the Yahara CLEAN phosphorus reduction targets set by the Rock River TMDL. Infiltration required for residential rooftop runoff unless soil conditions prohibit. Sun Prairie, Fitchburg, Middleton, Verona, Stoughton, and Monona each operate their own MS4 programs aligned with state minimums. Maintenance agreements recorded against title; annual inspections required for wet ponds and biofilters.
Operating without approved plan: stop-work order plus forfeiture $100-$5,000 per day under Madison MGO §37.08. Illicit discharge to storm sewer: up to $10,000 per violation per day. Failure to maintain BMP: notice, then escalating daily forfeitures.
Dane County, WI
Dane County municipalities regulate leaf blowers under local noise ordinances. Wisconsin has no statewide gas blower ban. Madison General Ordinance 24.04 imp...
Dane County, WI
Madison enforces a citywide Alternate Side Parking rule (MGO §12.76) from March 15 to March 14 annually between 1:00 AM and 7:00 AM. Fitchburg, Middleton, Ve...
Dane County, WI
EV charger installations in Dane County are governed by the Wisconsin DSPS Uniform Dwelling Code (UDC) and state electrical code SPS 316 based on NEC Article...
Dane County, WI
Dane County municipalities allow wood (cedar, treated pine), vinyl, wrought iron, chain-link, and composite fencing. Madison General Ordinance §28 zoning spe...
Dane County, WI
Wisconsin UDC SPS 390 and the state-adopted ISPSC require all residential pools and spas to be surrounded by a minimum 48-inch barrier with self-closing, sel...
Dane County, WI
Smoke detector requirements in unincorporated Dane County are set by Wisconsin state law, not the county. Wis. Stat. §101.645 requires functional smoke detec...
See how Dane County's stormwater management rules stack up against other locations.
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