(a) No person, firm or corporation shall throw, discharge, dump, deposit or cause or permit to be thrown, discharged, dumped or deposited any garbage, refuse, vegetable matter, oil or oil refuse, filth, offal or putrid or unwholesome substance upon the margin or banks or within the limits or into the waters of the harbor.
(b) No person, firm or corporation shall throw, discharge, dump, deposit or cause or permit to be thrown, discharged, dumped or deposited any clay, earth, ashes, stone, timber, rubbish, junk or similar substance in the harbor unless such matter shall be placed inside of an approved retaining wall so arranged as not to permit the escape of such substance into the waters of the harbor.
(c) No master or other person in charge or in possession of any vessel while entering or leaving the harbor or while anchored, moored or tied up at any wharf, pier or revetment shall discharge, dump, deposit or cause or permit to be discharged, dumped or deposited any residue of any cargo within the limits or into the waters of the harbor.
(1980 Code 92.14)