Md. Code, Environment § 9–675

(a) The owners of property in territory that may be served by a shared facility may file a written petition with the Sanitary Commission that requests the Sanitary Commission:

(1) To build a shared facility; and

(2) To designate a shared facility area.

(b) The petition shall include:

(1) Plans for the proposed shared facility that will enable the Sanitary Commission to determine the cost and feasibility of the proposed shared facility; and

(2) A map of the proposed shared facility area.

(c) The petitioners shall provide, at their own expense, the map and plans required by this section.