part_subject: "NATIONAL PRIMARY DRINKING WATER REGULATIONS"
subpart_code: "Y"
subpart_subject: "Revised Total Coliform Rule"
section_number: "141.851"
section_subject: "General."
cfr_reference: "40 CFR 141.851"
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)General. The provisions of this subpart include both maximum contaminant level and treatment technique requirements.
(b)Applicability. The provisions of this subpart apply to all public water systems.
(c)Compliance date. Systems must comply with the provisions of this subpart beginning April 1, 2016, unless otherwise specified in this subpart.
(d)Implementation with EPA as State. Systems falling under direct oversight of EPA, where EPA acts as the State, must comply with decisions made by EPA for implementation of subpart Y. EPA has authority to establish such procedures and criteria as are necessary to implement subpart Y.
(e)Violations of national primary drinking water regulations. Failure to comply with the applicable requirements of §§ 141.851 through 141.861, including requirements established by the State pursuant to these provisions, is a violation of the national primary drinking water regulations under subpart Y.