Lifeguards shall be properly attired and readily identifiable as members of the lifeguard staff.
Lifeguards shall be on the deck and shall observe the pool whenever bathers are in the water.
Lifeguards shall not leave their post for any reason without ensuring that all bathers are out of the water and that they will not return to the water during the lifeguard's absence.
D.C. Mun. Regs. tit. 25, r. 25-C6408