R 325.10720c Enhanced treatment for Cryptosporidium; disinfection profiling and benchmarking; making significant change in disinfection practice.

Rule 720c. Following the completion of initial source water monitoring under 40 CFR 141.701(a), as adopted by reference in R 325.10720b, a Subpart H supply that is subject to R 325.10611d and that plans to make a significant change to its disinfection practice, as defined in R 325.10722(4)(a), shall develop disinfection profiles and calculate disinfection benchmarks for Giardia lamblia and viruses as described in R 325.10720d. Before changing the disinfection practice, the Subpart H supply shall notify the department and shall include in this notice all of the information in R 325.10722(4)(b)(i) to (iv).