Chapter 5 — NONRESIDENTIAL MANDATORY MEASURES
Section 5.304 — OUTDOOR WATER USE
2025 California Green Building Standards Code (Title 24, Part 11) · 2025 edition · ingested 2026-07-07 · California
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5.304.1 Outdoor potable water use in landscape areas. Nonresidential developments shall comply with a local water efficient landscape ordinance or the current California Department of Water Resources’ Model Water Efficient Landscape Ordinance (MWELO), whichever is more stringent. Notes: 1. [The Model Water Efficient Landscape Ordinance (MWELO) is located in the](https://www.water.ca.gov/) California Code of Regulations, Title 23, Chapter 2.7, Division 2. 2. MWELO and supporting documents, including a water budget calculator, are available at: https://www.water.ca.gov/. 5.304.2 Reserved.…