Maryland Statutes
Subtitle 11 - Miscellaneous Sanitary Provisions
Section 9-1109 - Individual Sewerage System

(a)    In this section, “individual sewerage system” means a privately owned system of sewers, piping and treatment tanks or other facilities that:
        (1)    Serves only a single lot for the disposal of sewage; and
        (2)    Discharges to the surface waters of the State.
    (b)    Except as provided in subsection (c) of this section, a person may not install an individual sewerage system in the State.
    (c)    Subject to the Department’s approval, a person may install an individual sewerage system in the State for residential use if an existing on–site sewage disposal system fails and cannot be repaired or replaced by any means.