40 CFR 141.708 - Requirements when making a significant change in disinfection practice.

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§ 141.708 Requirements when making a significant change in disinfection practice.

(a) Following the completion of initial source water monitoring under § 141.701(a), a system that plans to make a significant change to its disinfection practice, as defined in paragraph (b) of this section, must develop disinfection profiles and calculate disinfection benchmarks for Giardia lamblia and viruses as described in § 141.709. Prior to changing the disinfection practice, the system must notify the State and must include in this notice the information in paragraphs (a)(1) through (3) of this section.

(1) A completed disinfection profile and disinfection benchmark for Giardia lamblia and viruses as described in § 141.709.

(2) A description of the proposed change in disinfection practice.

(3) An analysis of how the proposed change will affect the current level of disinfection.

(b) Significant changes to disinfection practice are defined as follows:

(1) Changes to the point of disinfection;

(2) Changes to the disinfectant(s) used in the treatment plant;

(3) Changes to the disinfection process; or

(4) Any other modification identified by the State as a significant change to disinfection practice.

This is a list of United States Code sections, Statutes at Large, Public Laws, and Presidential Documents, which provide rulemaking authority for this CFR Part.

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United States Code

Title 40 published on 2015-08-22

The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to 40 CFR Part 141 after this date.

  • 2017-01-17; vol. 82 # 10 - Tuesday, January 17, 2017
    1. 82 FR 4805 - Use of Lead Free Pipes, Fittings, Fixtures, Solder and Flux for Drinking Water
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      Proposed rule.
      Comments must be received on or before April 17, 2017.
      40 CFR Parts 141 and 143

Title 40 published on 2015-08-22.

The following are only the Rules published in the Federal Register after the published date of Title 40.

For a complete list of all Rules, Proposed Rules, and Notices view the Rulemaking tab.

  • 2016-12-20; vol. 81 # 244 - Tuesday, December 20, 2016
    1. 81 FR 92666 - Revisions to the Unregulated Contaminant Monitoring Rule (UCMR 4) for Public Water Systems and Announcement of Public Meeting
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      Final rule; notice of public meeting.
      This final rule is effective on January 19, 2017, 30 days after publication in the Federal Register . The incorporation by reference of certain publications listed in the regulations is approved by the Director of the Federal Register as of January 19, 2017.
      40 CFR Part 141