California Code of Regulations
Title 22 - Social Security
Division 4 - Environmental Health
Chapter 15 - Domestic Water Quality and Monitoring Regulations
Article 16 - Secondary Drinking Water Standards
Section 64449.4 - Use of Sources that Exceed a Secondary MCL and DO Not Have a Waiver
Current through Register 2024 Notice Reg. No. 38, September 20, 2024
A source that exceeds one or more of the secondary MCLs in Table 64449-A and does not have a waiver may be used only if the source meets the requirements in Section 64414, and the community water system:
(a) Meters the source's monthly production and submits the results to the State Board by the 10th day of the next month;
(b) Counts any part of a day as a full day for purposes of determining compliance with Section 64414(c);
(c) As a minimum, conducts public notification by including information on the source's use (dates, constituent levels, and reasons) in the Consumer Confidence Report (Sections 64480 through 64483);
(d) Provides public notice prior to use of the source by electronic media, publication in a local newspaper, and/or information in the customer billing, if the situation is such that the water system can anticipate the use of the source (e.g., to perform water system maintenance); and
(e) Takes corrective measures such as flushing after the source is used to minimize any residual levels of the constituent in the water distribution system.
1. New
section filed 8-28-2006; operative 9-27-2006 (Register 2006, No. 35). For prior
history, see Register 95, No. 25.
2. Change without regulatory
effect amending subsection (a) and NOTE filed 6-2-2015 pursuant to section
100, title 1, California Code of
Regulations (Register 2015, No. 23).
Note: Authority cited: Sections 116271 and 116375, Health and Safety Code. Reference: Sections 116385, 116555 and 116610, Health and Safety Code.
