Flushing greywater down the toilet

January 12th, 2010 by admin Leave a reply »

This week’s green challenge is to learn about greywater.  As indicated in a previous post, greywater is any waste water that comes out of the household other than toilet water.  Today, I am going to take a look at some facts about grey water and some possible things that can be done with it.

Greywater consists of 50-80% of a household’s waste water.   This water can be reused in a manner that allows households to reduce impact on the environment.  Water from the dishwasher, shower or laundry can be collected and used in various manners around the house or homestead.  The question that comes to my mind is exactly how easy and convenient is all of this?

For me, the obvious change I could make would be to put my bath water in the toilet.  They are right next to each other and I might be able to conserve one or two flushes a day by reclaiming this greywater.  As I discovered in a previous task the average household sends about 19 gallons a day down the toilet.  We have already cut this down quite dramatically by following the “if it’s yellow let it mellow, brown flush it down” mantra.  Going further, this week we are going to try and keep a bucket the bathroom and fill up the toilet with this greywater.   We should be able to save a few extra gallons per day. 

It might be easy for us to reclaim the water from our laundry, but I am not sure where we would be able to use all of this greywater.  The laundry uses several gallons of water per use and this could come in handy during the warm months, but during our arctic winter in Fargo, uses for 10+  gallons of water might be difficult to find.  We do not have any plants.  During the summer months, we could use this to water the plants at our garden or in our back yard.  Any suggestions you may have would be appreciated.

To begin this week’s challenge, we are filling our toilet with a bucket and we are dang proud of it.  If you have any tips or suggestions, please let me know in the comment area below.

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2 comments

  1. Chris says:

    Hello Guy, You have blogged on a theory that is already in existence and has been for two years. My husband has engineered and patented a product exactly for your needs. It is currently sold as the WL55 (for 55 gallon tank). visit http://www.waterlegacy.com.
    This product is currently designed for new construction usage and is in several LEED certified homes in Colorado, New Mexico, and Nebraska. It is so good to see the interest in this very imporant method of saving water. The WL55 takes both shower water and laundry water and uses it to flush your toilets. SaveH20

  2. admin says:

    I checked out your link and it seems really cool. I hope you guys are doing well!

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