Milwaukee Metropolitan Sewerage DistrictThese polygon feature classes represent Combined Sewer Areas, Milwaukee Metropolitan Sewerage District Service Areas, and Milwaukee Metropolitan Sewerage District Planning Area Boundaries in 2017.COMBINED_SEWER_AREA: [Area representing combined sewer area. Created from 2050 Sewershed file.]MMSD_SERVICE_AREA: [A Service Area is a spatial representation of the service areas within the 28 different municipalities served by MMSD.PLANNING_AREA_BOUNDARY: [A Planning Area Boundary is a spatial representation of the furthest geographic extent that can be serviced by MMSD.]Shapefileark:/77981/gmgsm902292engPublicMilwaukee Metropolitan Sewerage District Boundaries [Wisconsin--Milwaukee] {2017}DatasetsWisconsin--MilwaukeeWisconsin2017-08-03American Geographical Society Library – UWM Libraries