Chapter 6 — WATER SUPPLY AND DISTRIBUTION
611.1 Application — 2025 California Plumbing Code
California Plumbing Code (Title 24, Part 5) · 2025 edition · updated 2026-10-19 · 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) § 611.1 · Effective January 1, 2026 · Official source: Building Standards Commission
Drinking water treatment units shall comply with the applicable referenced standards in Table 611.1.
611.1.1 Alkaline Water Treatment. Alkaline water treatment devices shall comply with IAPMO IGC 322.
611.1.2 Scale Reduction Devices. Scale reduction devices shall comply with IAPMO/ANSI Z601.
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