# Environment (GEN)

## Title 9. Water, Ice, and Sanitary Facilities

### Subtitle 11. Miscellaneous Sanitary Provisions

#### Section 9-1109

(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.

---

Md. Code Ann., Envir. (as displayed at mgaleg.maryland.gov, October 16, 2026)