Utah Admin. Code R392-302-24 - Disinfectant and Chemical Feeders

(1) The manager shall ensure that:

(a) a pool is equipped with disinfectant dosing or disinfectant generating equipment that:

(i) conforms to the NSF/ANSI 50-2015, which is incorporated by reference; or

(ii) is deemed equivalent by the local health officer;

(b) chlorine dosing or disinfectant generating equipment is designed with a capacity to provide the following chlorine amounts:

(i) outdoor pools require four pounds of free available chlorine per day per 10,000 gallons of pool water; or

(ii) indoor pools require 2-1/2 pounds of free available chlorine per day per 10,000 gallons of pool water.

(2) Where ORP controllers are used, the manager shall ensure that:

(a) pool side water testing is performed at least weekly;

(b) an ORP calibration check is completed as needed when pool side water testing results are inconsistent with the ORP controller results; and

(c) inspection and cleaning of sensor probes and chemical injectors is performed in accordance with the manufacturer's recommendations and as needed to reconcile pool side water testing results with the ORP controller results.

(3) The manager shall ensure that:

(a) compressed chlorine gas is not used as a pool water disinfectant unless approved by the local health officer;

(b) any bactericidal agent, other than chlorine and bromine, and their feeding apparatus is approved by the local health officer and each bactericidal agent is registered by the U.S. Environmental Protection Agency for use in swimming pools; and

(c) positive displacement equipment and piping used to apply a chemical to the water is:

(i) designed and constructed of materials that can be cleaned and maintained free from clogging; and

(ii) resistant to the damaging effects of the chemical in use.

(4) The manager shall ensure that:

(a) each pool complies with Subsections (4)(b) and (4)(c) by January 31, 2023;

(b) each chemical feed system includes the following two layers of interlock protection for a low or no flow condition:

(i) a flow meter or flow switch at the chemical controller; and

(ii) each chemical feeder wired electrically to the circulation system that may include the use of a differential pressure switch, a pump power monitor, or other suitable means; and

(c) the functionality of the interlocking protection mechanism is verified, and documentation is prepared for the local health officer to review upon request.

(5) The local health officer may exempt an erosion type chemical feeder from the requirements of Subsection (4)(b)(ii).

Notes

Utah Admin. Code R392-302-24

Amended by Utah State Bulletin Number 2017-12, effective 6/1/2017 Amended by Utah State Bulletin Number 2018-12, effective 5/24/2018 Amended by Utah State Bulletin Number 2020-05, effective 2/26/2020 Amended by Utah State Bulletin Number 2020-16, effective 8/10/2020 Adopted by Utah State Bulletin Number 2023-17, effective 8/21/2023