1. (1) Except for Subsection (2), the manager shall ensure that a pool constructed after September 16, 1996, is not used for night swimming without underwater lighting.
2. (2) A pool does not need to meet the lighting requirement described in Subsection (1) if the manager can demonstrate to the local health officer that a six-inch diameter black disk on a white background placed in the deepest part of the pool can be clearly observed from the pool deck during nighttime hours, which are 30 minutes before sunset to 30 minutes after sunrise.

3. (3) Where night swimming is permitted and underwater lighting is used, the manager shall ensure that:

   1. (a) artificial lighting is provided so that each area of the pool, including the deepest portion, is visible from the edge of the pool deck;
   2. (b) area lighting is provided for the pool deck at not less than ten horizontal foot-candles, ten lumens per square foot, or 108 lux that is directed away from the pool surface as is practical to reduce glare;
   3. (c) for outdoor pools, any combination of overhead and underwater lighting provides maintained illumination not less than ten horizontal foot-candles, ten lumens per square foot, or 108 lux at the pool water surface; and
   4. (d) for indoor pools, any combination of overhead and underwater lighting provides maintained illumination of not less than 30 horizontal foot-candles, 30 lumens per square foot, or 323 lux at the pool water surface.
4. (4) The manager shall ensure that electrical wiring conforms with Article 680 of the NFPA 70, NEC, 2023 Edition, incorporated by reference in this rule.
5. (5) The manager shall ensure that any facility with an indoor pool, pool equipment room, access space, dressing room, shower room, and toilet space is ventilated in accordance with the American Society of Heating, Refrigerating and Air-Conditioning Engineers Standard 62.1-2016, incorporated by reference in this rule.

KEY: pools, spas, swimming, water

Date of Last Change: May 26, 2026

Notice of Continuation: October 21, 2021

Authorizing, and Implemented or Interpreted Law: 26B-1-202; 26B-7-113; 26B-7-124; 26B-7-402