Md. Code, Pub. Util. § 24-203

(a) In this section, “public access point” includes a parking lot, playground, picnic area, boat launching ramp, or park. (b) Within 24 hours after a leak is reported, the Commission shall post warning signs at each public access point to a waterway that becomes contaminated by a leak in a sanitary sewer line, pipe, or fixture that is connected to the sanitary sewer system of the Commission. (c) A warning sign posted under this section shall include: (1) the source and date of discovery of the leak; and (2) the contact information, including a telephone number, of the Commission for members of the general public to use for obtaining additional information. (d) The Commission: (1) shall post the warning signs downstream from the leak in accordance with regulations adopted by the Commission; and (2) is not required to post any warning sign upstream from a leak. (e) The Commission shall adopt regulations to implement this section, including regulations concerning: (1) the minimum distance from the source of a leak within which warning signs must be posted; and (2) the form and content of the warning signs.