Md. Code, Environment § 9-698

(a) Before a person may dig in or do any other construction on any way in a service area, the person shall obtain from the sanitary commission approval of the digging or construction.

(b) To obtain approval, the person shall file with the sanitary commission a plan for the digging or construction that shows the depth and location of each:

(1) Conduit;

(2) Main;

(3) Pipe;

(4) Pole; and

(5) Other structure.

(c) If approval of the plans has been obtained from the sanitary commission, before a person may do any digging or construction different from the approved plans, the person shall:

(1) Submit a new plan that shows the changes in the information required for the original plan; and

(2) Obtain approval from the sanitary commission to do the digging or construction according to the new plan.

(d) If any obstruction has been constructed in, on, or under a way in violation of this section and if the sanitary commission is required to move that obstruction to build or operate a project:

(1) The district may move the obstruction and charge the cost of moving the obstruction to:

(i) The person who constructed or installed the obstruction; or

(ii) Any successor in interest to that person;

(2) The owner of the obstruction is not entitled to compensation under this subtitle for moving the obstruction; and

(3) The district is not liable for damage done to the obstruction.

(e) Before beginning work on the plumbing system on any property in a service area, a person shall:

(1) Obtain from the district a permit to do the plumbing work;

(2) Pay to the district the permit fee that the sanitary commission requires; and

(3) Allow the sanitary commission to inspect the plumbing work.

(f) Before connecting the plumbing system of any property to a water pipe or sewer pipe operated by the district, a person shall:

(1) Obtain from the district a permit to make the connection; and

(2) Comply with any additional conditions that the sanitary commission requires.