(1) Baths or hot tubs located in a private residence or a private social or athletic club not open to the public generally;

(2) Baths or hot tubs located in public or private educational institutions or athletic organizations; or

(3) Treatments given in any hospital, duly licensed nursing or convalescent home, or by physical therapists duly licensed, who treat patients only upon written prescription of a licensed doctor of medicine, or by any other person licensed by the state of Washington to treat the sick, injured, or infirm, or by any nurse under the direction of a person so licensed. (Added by Amended Ord. 86-099 § 63, Nov. 12, 1986).