(a) If the statement ”all toilets on this property are required to be waterless toilets approved by the Maryland Department of the Environment” is recorded in the land use covenant or deed for a parcel of property, the Department may:
(1) Authorize reductions in initial disposal system size;
(2) Establish the amount of the reductions on a case by case basis; and
(3) Prohibit the installation or use of conventional plumbing fixtures where a reduction has been authorized under paragraphs (1) and (2) of this subsection.
(b) The Department may adopt regulations to implement the provisions of this section.