Chapter 16 — NONPOTABLE RAINWATER CATCHMENT SYSTEMS
1603.13 Pumps — 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) § 1603.13 · Effective January 1, 2026 · Official source: Building Standards Commission
Pumps serving rainwater catchment systems shall be listed. Pumps supplying water to water closets, urinals, and trap primers shall be capable of delivering not
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330 2025 CALIFORNIA PLUMBING CODE
NONPOTABLE RAINWATER CATCHMENT SYSTEMS
CAUTION NONPOTABLE RAINWATER, DO NOT DRINK. DO NOT CONNECT TO DRINKING WATER
SYSTEM. NOTICE: CONTACT BUILDING MANAGE MENT BEFORE PERFORMING ANY WORK ON THIS
WATER SYSTEM.
This sign shall be posted in a location that is visible to anyone working on or near rainwater equipment.
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