Intervention_Category: Regulation/Standard; Intervention_Subcategory: agricultural; Ag1_NonAg2_Both3: 1; Rulemaking_Agenc_.Level: State, County; Implementing_Agency_Level: County; Promulgating_Policies: NRCS Code 590 Nutrient Management Practice Standard; WI Stats Ch 92, NR 243, ATCP 50; Dane County Ch. 14; Short_Intervention_Description: Dane County Ordinance Ch. 14 regulates the amount of liquid manure that may be spread on land according to the percent slope and requires a permit for any liquid manure spreading. Amount of manure allowed is determined in part by slope of spreading area.; Intervention_area_ha: 26170.57; Data_Sources: ESRI topographic data.; Mapping_Rationale: Polygons of land areas with over 9 percent slope.