When a toilet connected with the city water and sanitary sewer system has been installed in any residence or business building on any parcel of land, any outside privy, outhouse, earth closet, cesspool or septic tank not conforming with requirements of this subchapter on said premises is declared a nuisance and shall be removed by the owner within 30 days after the connection to the water and sewer system has been made.
(1992 Code, § 278.25) Penalty, see § 50.99