California Code of Regulations
Title 22 - Social Security
Division 4 - Environmental Health
Chapter 20 - Public Swimming Pools
Article 3 - Maintenance and Operation
Section 65531 - Public Pool Water and Indoor Air Quality Standards

Universal Citation: 22 CA Code of Regs 65531

Current through Register 2024 Notice Reg. No. 38, September 20, 2024

(a) The pool operator shall maintain microbiological water quality standards in each public pool at the site as follows:

(1) Standard Plate Count (Heterotrophic Plate): The number of colony forming units (CFU) shall not exceed 200 colonies per milliliter.

(2) Total Coliform:
(A) If the multiple-tube fermentation method is used, the most probable number (MPN) shall be less than 2.2 per 100 milliliters.

(B) If the membrane filtration technique is used, the number of coliform organisms shall be less than one colony per 100 milliliters.

(C) If an enzyme substrate method including Idexx Colilert-18 is used, an MPN shall be less than or equal to one per 100 milliliters.

(b) Chemical quality of public pool water and indoor air quality at the public pool site and ancillary facilities shall not cause adverse physiological effects, such as irritation of the eyes, lungs, or skin of the pool users.

1. Change without regulatory effect of subsection (a) (1) (Register 86, No. 51).
2. Amendment of section heading, section and NOTE filed 10-14-2014; operative 1-1-2015 (Register 2014, No. 42).

Note: Authority cited: Sections 116035, 116050 and 131200, Health and Safety Code. Reference: Sections 116035, 116040, 116043 and 116050, Health and Safety Code.

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