Sec. 3. 38 MRSA §423, first ¶, as amended by PL 1989, c. 502, Pt. B, §49, is further amended to read:

No person, firm, corporation or other legal entity may discharge, spill or permit to be discharged sewage, septic fluids, garbage or other pollutants from watercraft, as defined in Title 12, section 7791, subsection 14, and including houseboats, into inland waters of this State, or on the ice thereof, or on the banks thereof in such a manner that the same may fall or be washed into such waters, or in such manner that the drainage therefrom may flow into such waters.