1504.1 General — 2025 California Plumbing Code

California Plumbing Code (Title 24, Part 5) · 2025 edition · updated 2026-09-25 · California

CBSC: official editions, supplements and errata

Italicized text is a California amendment to the model code, as printed in the official publication.

Cite as: 2025 California Plumbing Code (Title 24, Part 5) § 1504.1 · Effective January 1, 2026 · Official source: Building Standards Commission

Irrigation or disposal fields shall be permitted to have one or more valved zones. Each zone shall be

of a size to receive the gray water anticipated in that zone.

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▸Contents — California Plumbing Code (Title 24, Part 5)

California Plumbing Code (Title 24, Part 5)

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