No person shall place, throw, deposit, or discharge, or cause to be placed, thrown, deposited, or discharged into the waters of a small boat harbor any litter, sewage, or other gaseous, liquid, or solid materials which render the water unsightly, noxious, or otherwise unwholesome so as to be detrimental to the public health and welfare or to the enjoyment of the water for recreational purposes.
Haw. Code R. § 13-232-7