May 12, 2019 10:07 pm
We are planning on building new home in Brisbane and speaking with builders
We thought that rain water tank will be great as we have a 1030 m2 land, the builder is costing it around 5000$ total to install and connect to toilet and laundry .
I did some math and looked at my current water bill and it appears we are paying only 3$ per 1000L. So for 5000l tank, we would be saving 15$.
Majority of the water bill is supply and sewage treatment charge, which i believe we would still need to pay regardless of whether I use 1 L of water or 5000 L - is that right?
If so, then probably for a year I would be saving only around 100$ roughly , so 5000k does not seem to be worth it. Am I missing something? It seems it's worth investing in Solar and it could be better returns.
Please share your thoughts
Re: Rainwater tank - is it worth in Brisbane2
May 14, 2019 1:14 pm
Dunno about Brissy … how consistent is the rainfall?
In Sydney it can be dry for a looong time, and while of course you can get water from the mains for anything important, stuff like car washing or watering the garden isn't legal in times of water-restriction. But if you've got a tank, you can use that water for your garden.
Re: Rainwater tank - is it worth in Brisbane4
May 31, 2019 9:13 pm
This is an old report done for the Australian Government but it's worth reading if you have time. It turned me off having a rainwater tank:
Marsden Jacob Associates Report
In fact I'm surprised that the rainwater tank suppliers didn't bury it.
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