California Code of Regulations
Title 22 - Social Security
Division 4 - Environmental Health
Chapter 15 - Domestic Water Quality and Monitoring Regulations
Article 4 - Primary Standards-Inorganic Chemicals
Section 64432.8 - Sampling of Treated Water Sources
Current through Register 2024 Notice Reg. No. 38, September 20, 2024
(a) Each water supplier utilizing treatment to comply with one or more MCL(s) in Table 64431-A shall collect monthly samples of the treated water at a site prior to the distribution system and analyze for the chemical(s) for which treatment is being applied. If the treated water exceeds an MCL, other than a nitrate, nitrite, nitrate plus nitrite, or perchlorate MCL, within 48 hours of receipt of the result the water supplier shall resample the treated water to confirm the result and report the initial result to the State Board. The result of the analysis of the confirmation sample shall be reported to the State Board within 24 hours of receipt of the confirmation result. For nitrate, nitrite, nitrate plus nitrite, or perchlorate treated water monitoring, the water supplier shall comply with the requirements of section 64432.1(a)(1) for nitrate, section 64432.1(b)(1) for nitrite, section 64432.1(c) for nitrate plus nitrite, and section 64432.3(d) for perchlorate.
(b) The State Board may require more frequent monitoring based on an evaluation of the treatment process used, the treatment effectiveness and efficiency, and the concentration of the inorganic chemical in the water source.
1. New
section filed 9-18-2007; operative 10-18-2007 (Register 2007, No.
38).
2. Amendment of subsection (a) and amendment of NOTE filed
10-29-2008; operative 11-28-2008 (Register 2008, No. 44).
3. Change
without regulatory effect amending section 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 116275, 116361 and 116385, Health and Safety Code.
