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Our house has drippy taps. It pisses me off to no end. I wanted to look into the cost of a drippy tab. So let's do some math. Correct me if I'm wrong! Coffee hasn't kicked in yet...
From yahoo answers we get the estimation of 20 drops = ~1 ml (0.05 mL). Let's assume that there is a drop per second and there are 31 556 926 seconds per year. That works out to 1 577 846.3 ml / year. So that works to ~ 1 578 L / year, or 1.6 cubic meters. That's a lot of water in drips.
Now looking at the city of Ottawa page for water and sewer charges the price works out to 2.1266 $ / cubic metre (86.8¢ per cubic metre + (0.868 * 145%)).
So over the course of 1 year, each tap will cost us about 3.41 $. Wow. That's a lot less that I thought that it would.Posted by jim at December 16, 2007 09:36 AM