Rainwater Harvesting for Drylands and Beyond by Brad Lancaster

French Drain Pipe & Chambers

Pipe & drain boxes

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Water-harvesting French drains often don’t need pipes, but when they do, you can get these items from the businesses listed below:

NDS, Inc.
www.ndspro.com

Tucson

Irrigation & Sprinkler Supply, Inc. (ISS)
2130 E 12th
(520) 792-4652

Infiltration chambers (aka, “leaching chambers” or “subsurface outlet chambers”)

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I far prefer the use of these bottomless, louver-sided plastic chambers over the use of perforated pipe in French drain applications. The larger-capacity chambers will not clog with roots like perforated pipe will.

Infiltrator Systems, Inc.
Their “Quick4 Standard Chamber” is ideal for French-drain, greywater-harvesting, and septic leach field applications since its height does not exceed 12 inches (30 cm). This way the majority of the water discharged through the chambers infiltrates into the top 2 feet (0.6 m) of soil where roots and soil life can more readily utilize the water.
www.infiltratorsystems.com

Hancor
Their “Standard EnviroChamber” and “EnviroChamber ProArc Standard Chamber” are their best chambers since their height does not exceed 13 inches (33 cm). This way the majority of the water discharged through the chambers infiltrates into the top 2 feet (0.6 m) of soil where roots and soil life can more readily utilize the water. Check out their “EnviroChamber Downspout System Drainage” information for sizing recommendations, while thinking “harvest” rather than “drainage.”
www.hancor.com

Loomis Tanks
www.LoomisTank.com

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