It shall be unlawful for any person to build, construct, dig, maintain or use any dry toilet, surface privy, cesspool or septic tank within the city; provided, however, when connection to the city’s sewer system is impossible or impractical at any time, the construction, maintenance and use of a dry or chemical toilet or septic tank constructed in conformity to state law and approved by the Plumbing Inspector may be permitted until such time as connection to the city’s sewer system may be made.
(`87 Code, § 24-4) Penalty, see § 51.99