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// CODE SNIPPET

708.12.1 Gray Water Sources

Green Construction Code 2012 > 7 Water Resource Conservation, Quality and Efficiency > 708 Gray Water Systems > 708.12 Gray Water Systems > 708.12.1 Gray Water Sources
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Gray water reuse systems shall collect waste discharge from only the following sources: bathtubs, showers, lavatories, clothes washers, and laundry trays. Water from other approved nonpotable sources including swimming pool backwash operations, air conditioner condensate, rainwater, cooling tower blow-down water, foundation drain water, steam system condensate, fluid cooler discharge water, food steamer discharge water, combination oven discharge water, industrial process water, and fire pump test water shall also be permitted to be collected for reuse by gray water systems, as approved by the code official and as appropriate for the intended application.

708.12.1.1 Prohibited Gray Water Sources

Waste water containing urine or fecal matter shall not be diverted to gray water systems and shall discharge to the sanitary drainage system of the building or premises in accordance with the International Plumbing Code. Water from reverse osmosis system reject water, water softener discharge water, kitchen sink waste water, dishwasher waste water, and waste water discharged from wet-hood scrubbers shall not be collected for reuse within a gray water system.

Related Code Sections


708.12.1 Water Resource Conservation, Quality and Efficiency, Gray Water Sources
Gray water reuse systems shall collect waste discharge from only the following sources: bathtubs, showers, lavatories, clothes washers, and laundry ...
Green Construction Code 2012 > 7 Water Resource Conservation, Quality and Efficiency > 708 Gray Water Systems > 708.12 Gray Water Systems > 708.12.1 Gray Water Sources
1302.3 Gray Water Recycling Systems, Makeup Water
Potable water shall be supplied as a source of makeup water for the gray water system. The potable water supply shall be protected against backflow ...
Plumbing Code 2012 > 13 Gray Water Recycling Systems > 1302 Systems for Flushing Water Closets and Urinals > 1302.3 Makeup Water
P3009.13.3 Sanitary Drainage, Makeup Water
Potable water shall be supplied as a source of makeup water for the gray water system. The potable water supply shall be protected against backflow ...
Residential Code 2012 > 30 Sanitary Drainage > P3009 Gray Water Recycling Systems > P3009.13 Flushing Water Systems > P3009.13.3 Makeup Water
708.12 Water Resource Conservation, Quality and Efficiency, Gray Water Systems
Gray water reuse systems shall collect waste discharge from only the following sources: bathtubs, showers ...
Green Construction Code 2012 > 7 Water Resource Conservation, Quality and Efficiency > 708 Gray Water Systems > 708.12 Gray Water Systems
P3009.7 Sanitary Drainage, Sizing
The system shall be sized in accordance with the sum of the output of all water sources connected to the subsurface irrigation system. Where gray ...
Residential Code 2018 > 30 Sanitary Drainage > P3009 Subsurface Landscape Irrigation Systems > P3009.7 Sizing
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