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// CODE SNIPPET

1602.9.4 Other Surfaces

California Plumbing Code 2019 > 16 Nonpotable Rainwater Catchment Systems > 1602.0 Nonpotable Rainwater Catchment Systems > 1602.9 Design and Installation > 1602.9.4 Other Surfaces

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Natural precipitation collected from surface water runoff, vehicular parking surfaces, or manmade surfaces at or below grade shall be in accordance with the water quality requirements for on-site treated nonpotable gray water systems in Section 1506.0.

Exception: Collected rainwater or storm water used exclusively for subsurface landscape irrigation.

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