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.
Other ordinances people look up for this city. Green dot = verified primary-source excerpt.
Sun Prairie, WI
Sun Prairie regulates amplified music under the general noise ordinance. Sound amplification permits available for events. WI Stat. §947.01 applies.
Sun Prairie, WI
Sun Prairie considers excessive barking a nuisance. Animal control handles complaints. WI Stat. §174 covers dog regulation statewide.
Sun Prairie, WI
Sun Prairie enforces quiet hours typically 10 PM to 7 AM. Noise disturbances enforceable under WI Stat. §947.01 (Disorderly Conduct).
Sun Prairie, WI
Sun Prairie enforces alternate-side parking November through March and 48-hour maximum street parking. Snow emergencies declared during heavy snowfall ban pa...
Sun Prairie, WI
Sun Prairie restricts commercial vehicle parking in residential zones. Weight, size, and signage limits apply. Overnight heavy truck storage prohibited.
Sun Prairie, WI
Sun Prairie requires vehicles parked on improved surfaces. Front lawn parking prohibited. Driveway modifications require permits.
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