Maryland Code, Environment § 9-709

(a) If any structure in, over, or under a public street, road, or alley in any county or municipality obstructs any work on a system, the municipal authority shall:

(b) After the time specified in the order for abating the violation, a person who is served with an order under this section may not violate that order.

(c) If any pipe or conduit laid under a public highway by a person in accordance with the terms of any permit issued or any plan approved under § 9-710 of this subtitle obstructs construction of any water main, sewer, or drain, the municipal authority shall remove or readjust the obstructing structure.

(d) The municipality shall pay the cost of any necessary changes made under this section.