Section R392-304-7 - Artificial Swimming Lagoon Source Water Quality(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: (a) collect a sample of the source water;(b) submit the collected sample for analysis to a laboratory that is certified under Rule R444-14, Certification of Environmental Laboratories; and(c) have laboratory analysis performed initially and for each five-year period thereafter to determine the levels of contaminants listed in Table 1.(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: (a) discontinue the use of the source water; or(b) implement an ongoing treatment process to provide source water that complies with Table 1. TABLE 1 Source Water Contaminants and MCLs |
Contaminant | Maximum Contaminant Level (MCL) |
Antimony | 0.006 mg/L |
Arsenic | 0.010 mg/L |
Barium | 2 mg/L |
Beryllium | 0.004 mg/L |
Cadmium | 0.005 mg/L |
Chromium | 0.1 mg/L |
Copper | 1.3 mg/L |
Cyanide, as free cyanide | 0.2 mg/L |
Fluoride | 4.0 mg/L |
Lead | 0.015 mg/L |
Mercury | 0.002 mg/L |
Nitrate | 10 mg/L |
Nitrite | 1 mg/L |
Selenium | 0.05 mg/L |
Thallium | 0.002 mg/L |
(3) The operator shall maintain a closed-loop system for water recirculation.(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: (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(b) the backflow preventer does not connect to the discharge side of a recirculation pump of an artificial swimming lagoon.Utah Admin. Code R392-304-7
Adopted by Utah State Bulletin Number 2024-18, effective 9/8/2024