Cal. Code Regs. Tit. 22, § 64573 - Minimum Water Main Size for Community Water Systems
Newly installed water mains in a community water system shall have a nominal diameter of at least four inches.
Notes
Note: Authority cited: Sections 116350, 116375 and 131200, Health and Safety Code. Reference: Sections 116275, 116375 and 131051, Health and Safety Code.
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