part_subject: "NATIONAL PRIMARY DRINKING WATER REGULATIONS"
subpart_code: "W"
subpart_subject: "Enhanced Treatment for"
section_number: "141.721"
section_subject: "Reporting requirements."
cfr_reference: "40 CFR 141.721"
title_name: "Title 40"
title_subject: "Protection of Environment"
parts_covered: "Parts 136 to 149"
revised_date: "Revised as of July 1, 2019"
publication_date: "As of July 1, 2019"
contains_description: "Containing a codification of documents of general applicability and future effect"
publication_info: "Published by the Office of the Federal Register National Archives and Records Administration as a Special Edition of the Federal Register"
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(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).
(b)Systems must report the use of uncovered finished water storage facilities to the State as described in § 141.714.
(c)Filtered systems must report their Cryptosporidium bin classification as described in § 141.710.
(d)Unfiltered systems must report their mean source water Cryptosporidium level as described in § 141.712.
(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.
(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.