Health and Safety Code section 116400

If the department determines that a public water system is subject to potential contamination, the department may, by order, require the public water system to conduct a periodic water analysis in accordance with conditions specified by the department. The water analysis shall be reported on a quarterly basis, unless the department finds that reasonable action requires either more or less frequent analysis.

Source: Section 116400, https://leginfo.­legislature.­ca.­gov/faces/codes_displaySection.­xhtml?lawCode=HSC§ionNum=116400.­ (updated Jan. 1, 1996; accessed Jun. 25, 2025).

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Verified:
Jun. 25, 2025

§ 116400's source at ca​.gov