Index — G
California Plumbing Code (Title 24, Part 5) · 2025 edition · updated 2026-10-23 · 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) · Effective January 1, 2026 · Official source: Building Standards Commission
– G –
GANG OR GROUP SHOWERS . . . . . . .209.0, 408.4, 408.8 GARBAGE GRINDER . . . . . . . . .(see Food waste disposer)
GRADE
Building sewer . . . . . . . . . . . . . . . . . . . . . . . . . . . .718.1
Definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .209.0
Horizontal drainage . . . . . . . . . . . . . . . . . . . . . . . .708.0 GRAVITY DRAINAGE REQUIRED . . . . . . . . . . . . . . .709.0
GRAYWATER, DEFINITION . . . . . . . . . . . . . . . . . . . . . . 209.0
GRAY WATER SYSTEMS
Alternate water sources . . . . . . . . . . . . . . . . . . .601.3.3
Alternate water source testing, inspection, and maintenance frequency . . . . . . . . . . .Table 1501.5 Components . . . . . . . . . . . . . . . . . . . . . . . . . . . .1503.9 Daily discharge . . . . . . . . . . . . . . . . . . . . . . . .1503.8.3
Definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .209.0
Gray water systems . . . . . . . . . . . . . . . . . . . . . . .1503.0 Inspection and testing . . . . . . . . . . . . . . . . . . . . .1502.0 Operation and maintenance manual . . . . . . . . . .1501.6 GREASE INTERCEPTORS . . . . . .1014.0, 1014.1B, 1014.1C
Approved standards . . . . . . . . . . . . . . . . . . . . . . .1014.1
Definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .209.0
Capacity . . . . . . . . . . . . . . . . . .1014.2.1, Table 1014.2.1 Gravity-type . . . . . . . . . . . . . . . . .1014.3, Table 1014.3.6 Hydromechanical-type . . . . . . . . . . . . . . . . . . . . .1014.2 Not required . . . . . . . . . . . . . . . . . . . . . . . . . . . .1014.1.3 Required . . . . . . . . . . . . . . . . . .1010.1, 1014.1, H 101.3
GRINDER PUMPS . . . . . . . . . . . . . . . . . . . . . . . . . . .710.12
GROUNDWATER, DEFINITION . . . . . . . . . . . . . . . . . .209.0
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