Chapter 15 — ALTERNATE WATER SOURCES FOR NONPOTABLE APPLICATIONS
1501.5 Maintenance and Inspection — 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) § 1501.5 · Effective January 1, 2026 · Official source: Building Standards Commission
[BSC-CG, HCD 1 & DWR] Alternate water source systems and components shall be inspected and maintained in accordance with the
manufacturer’s recommendations and/or as required by the Authority Having Jurisdiction. [BSC-CG] Where no manu- facturer’s recommendations exist, additional recommenda- tions are listed in Table 1501.5 .
Exception: [DWR] Recycled water supply systems that are within or a part of a building shall comply with Section 1505.16 .
1501.5.1 Maintenance Responsibility. The required maintenance and inspection of alternate water source systems shall be the responsibility of the property owner unless otherwise required by the Authority Having Jurisdiction.
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