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Directory:Home Generation:Gray Water Recycling

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Gray Water Recycling at Home

EnviroSink diagram
EnviroSink diagram
Homes and even towns should be fitted with two drainage systems in the plumbing: one for the sewer, and one for gray water. The gray water, such as from showers and washing machines, could then be collected and treated if necessary, then used for use in gardening or lawns and other landscape watering needs.

There are various health and environmental risks if you do not use gray water safely. Choose phosphate-free or low-phosphate household cleaners and detergents.

Another plumbing modification that would require a simple holding tank, would be to use safe gray water to flush toilets, rather than culinary water.

In homes already built without such a system, alternate means, though not as efficient, can be employed to collect the gray water for these uses.

Contents

Cautions

Featured Site

Products

Portable Systems

  • Grey water recycling by Brac Systems - Collects water from shower drains, bathtubs and laundry, then filters and pumps it through a dedicated supply line to the toilet tanks for flushing, reducing average household water consumption by a third. It is designed into the plumbing of new construction and existing residential homes.
  • Sink-to-Toilet Combo - A simple way to optimize water usage without setting up a costly gray water system. The sink uses the inflow of water headed to refill the toilet bowl. You can therefore use the water twice by washing your hands in it before it fills the bowl. One-size-fits-all retrofit available.
  • Nubian Water Systems - Recycle up to 60% of your household water with an OASIS GT600 Greywater treatment system. The system can be installed beside your house, requiring no excavation or disruption to your garden. It is as easy to install as a hot water system or other household appliance. Recycling options include: toilet flushing, above ground irrigation and car washing.
  • Envirolet Composting Toilets - "Does not burn, use chemicals or require a septic tank. Ideal for your cottage, cabin, home, business and more." Waterless & low water models.
  • Water Works UK GROW - Green Roof Water Recycling System (GROW), composed of a roof-module with (beautiful and indiginous) waterpurifying plants, the required piping, water tanks (1 green and 1 grey water tank) and implementations onto the water circuit and machines, so that it becomes (near) closed circuit.

Water diversion systems and wetparks

Magazine Articles

  • Tap into Water Savings - Article about using household gray water. Lists lists safety issues, rules and regulations, and a resource list. (Mother Earth News; August/September 2004)

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See also

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- PESWiki home page

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