12 M.R.S. §13067: Waste water discharge in inland waters

1. Prohibition. A person may not launch a watercraft into or operate a watercraft on inland waters when that watercraft has a marine toilet, shower or sink unless:

A. The waste water from the toilet, shower or sink is fed directly into a holding tank; and

B. The holding tank for sanitary waste water is not in any way connected to any through-hull fittings.

2. Penalty. The following penalties apply to violations of this section.

A. A person who violates subsection 1 commits a civil violation for which a fine of not less than $100 nor more than $500 may be adjudged.

B. A person who violates subsection 1 after having been adjudicated as having committed 3 or more civil violations under this Part within the previous 5-year period commits a Class E crime.