36 C.F.R. § 21.6 Use of therapeutic pools.
Title 36 - Parks, Forests, and Public Property
Persons undergoing medical treatment may use the therapeutic pools only upon presenting a prescription describing the treatment from a registered physician. Persons with acute or infectious diseases or discharges of the body, or who lack complete control of their bodily functions, are prohibited from using the therapeutic pools.
Title 36: Parks, Forests, and Public Property
PART 21—HOT SPRINGS NATIONAL PARK; BATHHOUSE REGULATIONS
§ 21.6 Use of therapeutic pools.

