Welcome to SD1

SD1 is responsible for the collection and treatment of Northern Kentucky's wastewater, as well as regional storm water management. SD1 is the second largest public sewer utility in Kentucky with a service area that covers approximately 220 square miles, encompassing more than 30 municipalities and unincorporated portions of Boone, Campbell and Kenton counties.

SD1 maintains more than 1,600 miles of sanitary sewer line, 143 wastewater pumping stations, 15 flood pump stations, 8 package treatment plants, two major wastewater treatment plants, more than 250 miles of storm sewer and over 17,800 storm sewer structures.