Maryland Environment Section 9-698
§ 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.