A well may be converted to a domestic or agricultural water well after:
(A) The original or a certified copy of an approved conversion permit from the State Division of Oil and Gas has been furnished the Secretary;
(B) All the regulations controlling abandonment have been complied with, except those appurtenances necessary for the operation of a water well may be retained; and
(C) In the case of a domestic conversion, after the city’s Public Health Officer has approved the conversion and use for domestic purposes.
(`78 Code, § 14.28.050.)