(1) A marina which meets one or more of the following criteria shall be designated by the commission as appropriate for installation of a sewage pumpout or dump unit:
(a) The marina is located in an environmentally sensitive or polluted area; or
(b) The marina has one hundred twenty-five slips or more and there is a lack of sewage pumpout or dump units within a reasonable distance.
(2) In addition to subsection (1) of this section, the commission may at its discretion designate a marina as appropriate for installation of a sewage pumpout or dump unit if there is a demonstrated need for a sewage pumpout or dump unit at the marina based on professionally conducted studies undertaken by federal, state, or local government, or the private sector; and it meets the following criteria:
(a) The marina provides commercial services, such as sales of food, fuel or supplies, or overnight or live-aboard moorage opportunities;
(b) The marina is located at a heavily used boating destination or on a heavily traveled route, as determined by the commission; or
(c) There is a lack of adequate sewage pumpout or dump unit capacity within a reasonable distance.
(3) Exceptions to the designation made under this section may be made by the commission if no sewer, septic, water, or electrical services are available at the marina.
(4) In addition to marinas, the commission may designate boat launches or boater destinations as appropriate for installation of a sewage pumpout or dump unit based on the criteria found in subsections (1) and (2) of this section.