Maryland Statutes
Part II - Regulation by Municipalities
Section 9-716 - Rules and Regulations of Municipalities

A municipal authority may adopt rules and regulations:
        (1)    To provide for the maintenance and operation of any system under its control; and
        (2)    To govern the installation and alteration of all water supply, plumbing, and drainage arrangements on private property, including requirements for obtaining a permit and paying a reasonable charge before doing any work on any water supply, plumbing, or drainage system.