Utah Administrative Code
Title R392 - Disease Control and Prevention, Environmental Services.
Rule R392-302 - Design, Construction and Operation of Public Pools.
R392-302-4 - Water Supply.
(1) The water supply serving a public pool and all plumbing fixtures, including drinking fountains, lavatories and showers, must meet the requirements for drinking water established by the Department of Environmental Quality.
(2) All portions of water supply, re-circulation, and distribution systems serving the facility must be protected against backflow. Water introduced into the pool, either directly or through the circulation system, must be supplied through an air gap or a backflow preventer in accordance with the International Plumbing Code as incorporated and amended in Title 15a, State Construction and Fire Codes Act.
(a) The backflow preventer must protect against contamination, backsiphonage and backpressure.
(b) Water supply lines protected by a backflow prevention device shall not connect to the pool recirculation system on the discharge side of the pool recirculation pump.