The City of Milwaukee's Chronic Nuisance Ordinance (80-10) is a thorn in the side of many landlords. Essentially the ordinance says that if your property generates more than 3 calls for police service for "nuisance activities" within a 30 day period that the city will charge you for the costs associated with abating the alleged nuisance. Nuisance activities include the following: harassment, disorderly conduct, battery, indecent exposure, prostitution, ...