Chapter 8 — COMPLIANCE FORMS, WORKSHEETS AND REFERENCE MATERIAL
Section A4.305 — WATER REUSE SYSTEMS
2025 California Green Building Standards Code (Title 24, Part 11) · 2025 edition · ingested 2026-07-07 · California
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A4.305.1 Graywater. Alternative plumbing piping is installed to permit the discharge from the clothes washer or other fixtures to be used for an irrigation system in compliance with the California Plumbing Code. A4.305.2 Recycled water piping. Based on projected availability, dual water piping is installed for future use of recycled water at the following locations: 1. Interior piping for the use of recycled water is installed to serve all water closets, urinals and floor drains. 2. Exterior piping is installed to transport recycled water from the point of connection to the structure.…