We just had our home water usage monitored for two weeks with a TinyTag. We use an average of 102.5L per person per day. Matches up pretty close to what we had on our bill. So we use about half as much as the average Sydney household which is around 200L per person per day. The data is quite fascinating.
**Two people, 720 Sq m of land. Pool (55,000 Litres), fish pond (4,000 Litres) and garden (SWMBO is a very keen gardener). No water tank (yet - I'm building one under the house). 229 Litres per day. The average for a single person Sydney household is 239 Litre per day. I figure that after I attend to pool evaporation, a water tank and some other issues, I may be able to halve our existing usage. FWIW: All my neighbours have water tanks and except for one we use less mains water. That family has 50,000 Litres of water storage and another 45,000 Litres of on-site sewerage treatment. Very impressive (and expensive) stuff. I don't think they use any mains water (family of 5 - 6).
102.5 Litres per day is pretty good. It is close to what we use and I know how difficult that is.
I should have added that we do have rainwater tanks. One dedicated to the washing machine, and another dedicated to garden watering etc. Two person house on 756sqm, no pool, one small fish pond, 2 sizable gardens with drip systems, and another two just online this week. Will have to check the figures on what we saved on average with the washing machine conversion (I think it's around 40L/wash).
Apart from the washing machine we just do the usual - low flow shower heads, efficient toilet and dishwasher, short showers. We don't consider ourselves excessively frugal in water use. I like my occasional hot bath after a long days canyoning :)
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