Utah Admin. Code 309-520-5
Current through Bulletin 2024-20, October 15, 2024
Secondary disinfection provides an adequate disinfectant residual in the distribution system to maintain the quality of treated water by controlling microbiological contamination.
Secondary chemical disinfection is achieved by maintaining a detectable disinfectant residual throughout the distribution system. Allowable secondary disinfectants are chlorine and chloramine.
Utah Admin. Code R309-520-5