1. (1) If the source water for the DSA of an artificial swimming lagoon is not from a public drinking water system as described in Rule R309-100 Administration: Drinking Water Program, the operator shall:

   1. (a) collect a sample of the source water;
   2. (b) submit the collected sample for analysis to a laboratory that is certified under Rule R444-14, Certification of Environmental Laboratories; and
   3. (c) have laboratory analysis performed initially and for each five-year period thereafter to determine the levels of contaminants listed in Table 1.

2. (2) If the source water analysis report described in Subsection R392-304-7(1) indicates that a contaminant level is greater than or equal to any of the standards in Table 1, the operator shall:

   1. (a) discontinue the use of the source water; or

   2. (b) implement an ongoing treatment process to provide source water that complies with Table 1.

      TABLE 1Source Water Contaminants and MCLsContaminant Maximum Contaminant Level (MCL)Antimony0.006 mg/LArsenic0.010 mg/LBarium 2 mg/LBeryllium 0.004 mg/LCadmium 0.005 mg/L Chromium 0.1 mg/LCopper 1.3 mg/LCyanide, as free cyanide 0.2 mg/LFluoride 4.0 mg/L Lead0.015 mg/L Mercury 0.002 mg/L Nitrate 10 mg/LNitrite 1 mg/LSelenium 0.05 mg/L Thallium 0.002 mg/L

3. (3) The operator shall maintain a closed-loop system for water recirculation.

4. (4) If the water source for the DSA of an artificial swimming lagoon is connected to a public or private potable water source, the operator shall ensure that:

   1. (a) the water source system is protected from a backflow or back-siphonage event with a backflow preventer, such as an air gap, a mechanical backflow prevention device, or another means or method in accordance with Plumbing Code; and
   2. (b) the backflow preventer does not connect to the discharge side of a recirculation pump of an artificial swimming lagoon.

KEY: artificial swimming lagoon, pool, swimming, water

Date of Last Change: September 8, 2024

Authorizing and Implemented or Interpreted Law: 26B-1-202; 26B-7-402; 26B-1-224