(1) Connection to Municipal Sewers. When municipal sewers that have been approved by the Department of Natural Resources and installed by a Sanitary District or a municipal entity and have become available for connection to a structure or premises served, the private sewage system shall be disconnected and abandoned when the connection to the sewer is completed. The municipality or the local sewer entity has the authority to determine and enforce the period of time an owner has to connect to sewer. The abandonment of the disconnected private sewage system shall be done in accordance with Comm. 83.33 Wisconsin Administrative Code and shall be documented by the municipal inspector conducting the inspection of the sewer lateral connecting the structure to the sewer main. It is the owner’s responsibility to insure abandonment has occurred on their premises.

(2) Replacement POWTS. When an existing private sewage system is being replaced with another POWTS and the existing treatment tanks and seepage pits are not part of the replacement system those components shall be abandoned in accordance with Comm. 83.33, Wisconsin Administrative Code at the time of the installation of the replacement system. The plumber installing the replacement system is responsible for the abandonment of these tanks and pits unless otherwise notified in writing to the Sanitarian by the owner of the property. Any structure served by a POWTS being demolished must abandon the existing treatment tanks and seepage pits at the time of demolition unless being re-connected to a new structure.

(3) Non-Plumbing Sanitation Systems. Vault privies shall be abandoned in accordance with Comm. 91.12(4)(a), (b) and (c), Wisconsin Administration Code and pit privies shall be abandoned in accordance with Comm. 91.12(5), Wisconsin Administrative Code. [Code § 15.02-3.]