The General Manager, with prior written notice to the Owner of the date of entry, may enter any building, establishment, or other premises to identify potential cross connections and to determine whether it is practicable and necessary to install a backflow preventer to protect the public health and safety from contaminants.
The General Manager may, after reasonable notice, enter any building, establishment, or other premises to inspect, install, retrofit, replace, or repair any device required to be installed pursuant to this chapter.
D.C. Mun. Regs. tit. 21, r. 21-5402