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Grey Water Systems in Australia

The reuse of grey water (or greywater) has an enormous potential to reduce drinking water usage in places like Canberra in Australia, but can be difficult to put into practice.

It’s now accepted in most of urban Australia that rainwater can be used for any purpose, including drinking and cooking. In many jurisdictions, you can supply your whole house from rain water.

It’s accepted that blackwater (feces and urine) needs to be sent to a treatment plant. It’s wise to send waste water from the kitchen there, too.

It’s all that other ‘grey water’ that leaves the home with the sewage that offers the tantalising prospect of saving households tens of thousands of litres of drinking-quality water a year, if only we could use it. How much water is that?

According to Sydney Water, “Approximately 61 per cent of the total wastewater produced by an average household can be used as grey water. Kitchen wastewater is not usually included in this amount.”

The table below, reproduced courtesy of Sydney Water, indicates the total amount of wastewater and grey water produced in your home. We have, in fact, removed 44 litres a day coming from the kitchen shown on the Sydney Water table. We believe that kitchen water should not be used as grey water for the garden, because of the fats and solids involved.

Wastewater sourceTotal wastewaterTotal grey water
 % TotalLitres/day% TotalLitres/day
Toilet32186
Hand basin528828
Bath/shower3319354193
Kitchen744
Laundry2313538135
Total100586100356

Why aren’t there reasonably-priced, simple-to-instal grey water systems? Now there are!

Grey water diverter systems such as the eco-Care don’t require approval for installation in Victoria, NSW, Queensland or the ACT. The Queensland Government has passed legislation permitting grey water systems from March 2006.

Now, let’s have a look at some of the grey water systems available on the market that overcome or go around the problems. They vary in the water sources they use, and where they send it to.


Eco-Care Grey Water Diverter Valve
Sources: Bathroom and/or Laundry
Use:
 Garden
Cost: $59.95 +p/p


Home Water Bowser Grey Water Wheelie Bin
Sources: Bathroom (grey water) and downpipes (rainwater)
Uses: Garden (grey water); all outside uses (rainwater)
Cost: $ 429-$479 including delivery depending on area

Home Water Bowser grey water wheelie bin.

The Home Water Bowser is a brilliant combination of standard components that allows you to capture grey water from your washing machine, to use on your garden. In a stroke of genius, the designers also allowed for you to capture rainwater from your downpipe(s), which you can use for a variety of purposes- garden, carwashing etc.

The Home Water Bowser comes complete with a 4 m. inlet hose from your washing machine, and a 20 m. outlet hose for your garden. Choosing the Home Water Bowser means there are no plumbing installation costs. It’s a very affordable way to save your garden this, and every summer.


Gator Pro Grey Water Diverter System
Sources: Bathroom and/or Laundry
Use:
 Garden
Cost: $895 + Freight

We’ve been selling grey water diverter systems for over 3 years now- we’ve even made our own when there was no product available to do the job! We know what it takes to produce a good greywater system.

The Gator Pro addresses all the major issues that have been associated with other grey water diverter system on the market to date, and does it at brilliant price. The simplicity of the design means higher reliability and less maintenance. The filtration system is simply the best available.


GreyBoss Greywater System.
Sources:
 Bathroom and/or Laundry
Use:
 Garden
Cost: $2100 + Freight

Don’t waste your precious greywater! The GreyBoss greywater diverter system takes the waste water from the bathroom and laundry, and uses it to keep your garden looking beautiful.

Not only does it keep your garden looking beautiful, but it cuts your water bills and, in many areas, your waste water bill.

Your garden, your wallet and the environment will all love you for installing a Grey Boss. It can fit into the ground, and the 100mm fittings mean you can connect all your sources of grey water.