Manitowoc County Karst Inventory

KarstLocations of karst features are vital for the protection of groundwater quality.  Use the Manitowoc County Karst Inventory interactive map to find sinkholes, sinkhole watersheds, closed depressions, closed depression watersheds, surface bedrock and shallow bedrock soils.  The inventory is subject to change as new information becomes available.  Please contact the Soil & Water Conservation Department at 920-683-4183 regarding information provided on this inventory.