Whenever any part of the waste in any privy vault or cesspool extends to a point less than two feet below the surface of the ground adjacent thereto, or whenever use of any such vault or cesspool is abandoned or where such use or maintenance is prohibited by ordinance or health order, the owner, lessor, occupant or person in charge of such premises shall cause such vault or cesspool to be emptied of its contents, thoroughly cleaned and disinfected and, if abandoned, to be filled with clean earth or mineral matter to the level of the adjacent ground.
(1965 Code § 1343.04)