Tank and DrainThe Planning & Zoning Department administers Chapter 13 of the Manitowoc County Code and Chapter SPS 383 of the Wisconsin Administrative Code, which regulate the installation and maintenance of Private Onsite Wastewater Treatment Systems (POWTS), better known as "septic systems."  The purpose of these chapters are to promote the public health, safety, and general welfare by regulating the location, design, construction, alteration, and installation as well as the use of all private sewage systems; thereby insuring the protection and security of the general health of the public from disease and pestilence; to further insure the safe and proper use of land and water resources.