20260408 10294000 1.0 TRUE Storm Water Impervious Area Impervious areas are collected on parcels that are not single/dual family residences. This dataset reflects those areas. Dataset was developed from a variety of sources including digitizing off of orthophotography and site plans from developers. The codes for the attribute field of "Type" are B=Building; M=Misc; P=Parking; S=Private Sidewalk; V=Void. City of Madison Engineering Department