In this code:
(1) "Artificial swimming lagoon" means an artificial body of water used for recreational purposes with more than 20,000 square feet of surface area, an artificial liner, and a method of disinfectant. The term does not include a body of water open to the public that continuously recirculates water from a spring or a pool.
(2) "Licensed practitioner" includes a sex offender treatment provider who is licensed under Chapter 110, Occupations Code.
(3) "Public swimming pool" means an artificial body of water, including a spa, maintained expressly for public recreational purposes, swimming and similar aquatic sports, or therapeutic purposes. The term does not include an artificial swimming lagoon or a body of water open to the public that continuously recirculates water from a spring.