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Use Grey Water- Not Drinking Water- On Your Gardenby John Payne, Founder of Enviro Friendly World
The figures are compelling. Sure, they vary from household to household, but they go something like this… An average household on a suburban block consumes some 300,000 litres of water a year- all of it drinking-quality water from the tap. Around one-third, or 100,000 litres a year, is used on gardens and lawns. That means that around 200,000 litres get used in the home. Almost all of that (lets say 180,000 litres) leaves the home, and the block, as waste water. Now, here’s the fun part. According to one major water body (Sydney Water), approximately 60% of that is re-usable grey water. That includes water from the bathroom and laundry, but does not include black water from the toilet, or water from the kitchen. 60% of 180,000 is just over 100,000 litres. Where have we heard that number before? Oh, yes, that’s the same 100,000 litres we put on the garden and lawns! As we said, the figures are compelling. The question is, how do we do it in practice? Where do we find a product to take advantage of this free water, worth about $100 at today’s low prices? Let’s start by excluding a few options from the discussion. At the bottom end of the scale, we’ll exclude bucketing water from the house, and gravity feeding a hose from the washing machine. Cheap, but time consuming, and limited in application. We’ll also exclude waste/grey water treatment systems that cost many thousands of dollars. So that’s what the product we’re seeking isn’t. What would the ideal product be? It would - be able to accept water from both bathroom and/or laundry. - automatically pump water to the garden. - pump itself out every 24 hours to meet the requirements of health and environment authorities. - have a price of under $1000. There is now such a product on the Australian market, called the eco-Care Grey Water Diverter System. Visit our website, and you can read more about it, and other Grey Water Systems. We need to think about how we use grey water to get the best results, and avoid problems. A few points worth considering… • Use grey water sub-surface. • Don’t use grey water near edible parts of fruit or vegetables. • Don’t use grey water containing lint and hair with fine-pore soaker hoses. • Grey water is alkaline, so don’t drown acid-loving plants in it. • Choose less aggressive detergents, and you can use the water on more plants. • Read the detergent lab report at our site to help you choose. • Don’t let grey water flow from your property to a neighbour's • Remain actively involved in the use and maintenance of your equipment Follow these few sensible guidelines, and you may be able to reduce YOUR water consumption by around 30%, saving money, and the environment. - What about water tanks, you ask? It’s a whole different subject, but I’d answer you this way…”They’re great, but use that high-quality rainwater inside the house, where we can’t really use grey water.” © John Payne 2004 John Payne is the Founder of Enviro Friendly World. He was previously General Manager of a biological wastewater treatment company, and worked at Tidbinbilla Nature Reserve in Canberra, Australia. John has successfully operated many businesses in a 40-year career, and has a life-long interest in science and nature. You are welcome to reprint this article or link to it. If reprinting, please use it as above, complete with links and author detail, and drop us an email telling us where it is located. Call
Enviro Friendly World
today on 02 6282 6266, and find out how re-using grey water can
help you
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average home can reduce their water consumption by around 30% by
re-using grey water on their garden. |
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