No license shall be issued except upon compliance with the following minimum condition:
(A) Facilities for off-street parking to provide parking for at least 3 automobiles for each wash stall;
(B) Each wash stall shall have a trap below the washing area to trap sand, dirt, sediment and other wastes which will effectively prevent the substances from entering into the sewage system of the city;
(C) All drains shall be connected with the sanitary sewer system of the city in accordance with regulations as which shall from time to time be established by the City Council; and
(D) The car wash establishment shall be permitted only in the commercial or industrial zone districts of the city.
(1986 Code, § 515.04)