D.C. Mun. Regs. tit. 25, r. 25-C6402
The licensee may employ the services of a swimming pool or spa management company to fulfill the requirements of these regulations.
All licensees, managers, swimming pool and spa operators, lifeguards or swimming instructors in charge of, or working at, public swimming pools shall be responsible for the supervision and safety of the pool.
The licensee or manager shall ensure that swimming pool and spa operators, lifeguards or swimming instructors possess current certifications as specified in sections 6405 and 6407 of these regulations, and that swimming pool and spa operators possess valid permits issued by the Mayor as required in section 6445.2 of these regulations.
A licensee or manager may permit a person desiring to function as the swimming pool and spa operator and the lifeguard to work in both capacities if bathers' safety and the facility's operational requirements are not adversely affected.
A licensee or manager shall ensure that an individual functioning as both a lifeguard and swimming pool and spa operator as specified in section 6402.4 of these regulations is in compliance with the requirements identified in sections 6405 and 6407 of these regulations.
D.C. Mun. Regs. tit. 25, r. 25-C6402