Chapter 8 — COMPLIANCE FORMS, WORKSHEETS AND REFERENCE MATERIAL
Section A5.303 — INDOOR WATER USE
2025 California Green Building Standards Code (Title 24, Part 11) · 2025 edition · ingested 2026-07-07 · California
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TABLE A5.303.2.2—WATER USE BASELINE (PERFORMANCE METHOD)3Col2Col3Col4Col5 --------------- FIXTURE TYPEBASELINE FLOW RATEDURATIONDAILY USESOCCUPANTS2 Showerheads1.8 gpm @ 80 psi5 min.1X2a Lavatory faucets nonresidential0.5 gpm @ 60 psi.25 min.3X Kitchen faucets1.8 gpm @ 60 psi4 min.1X2b Replacement aerators2 gpm @ 60 psiX Wash fountains1.8 gpm/20 [rim space (in.) @ 60 psi]X Metering faucets0.20 gallons/cycle.25 min.3X Metering faucets for wash fountains0.20 gallons/cycle/20 [rim space (in.) @ 60 psi].25 min.1 male1<br3 femaleX Gravity tank type water closets1.28 gallons/flush1 flush1 male1<br3…