20231003 12555400 1.0 TRUE Surface Water Outfalls This statewide dataset displays the location of Wisconsin Permit Discharge Elimination System (WPDES) Surface Water Outfalls.You may use this online data set for planning, but to verify that a waterbody has an outfall discharge is to request information from the local WDNR Permit Program contact (search for WASTEWATER at dnr.wi.gov). WI Dept. of Natural Resources, Division of Water