40 CFR §141.721

1. (a)Systems must report sampling schedules under § 141.702 and source water monitoring results under § 141.706 unless they notify the State that they will not conduct source water monitoring due to meeting the criteria of § 141.701(d).
2. (b)Systems must report the use of uncovered finished water storage facilities to the State as described in § 141.714.
3. (c)Filtered systems must report their Cryptosporidium bin classification as described in § 141.710.
4. (d)Unfiltered systems must report their mean source water Cryptosporidium level as described in § 141.712.
5. (e)Systems must report disinfection profiles and benchmarks to the State as described in §§ 141.708 through 141.709 prior to making a significant change in disinfection practice.
6. (f)Systems must report to the State in accordance with the following table for any microbial toolbox options used to comply with treatment requirements under § 141.711 or § 141.712. Alternatively, the State may approve a system to certify operation within required parameters for treatment credit rather than reporting monthly operational data for toolbox options.