The water that comes out of your tap required extensive quantities of energy and your tax dollars to clean, and pump. The water that exits your taps is safe to drink, and should not be used for anything else.
An inexpensive way to save water is to install a rain barrel under the rain spout from your roof. I have touched on this before, however I wanted to provide you with some numbers of how much water you could actually save. The roof of my house is 14m x 10m, this produces an area of 140m². Calgary's average rainfall in April is 51.4 mm. This means that 51.4 mm of rain would fall on the entire area of your roof and down your rainspout. This means that an April rainfall of 51.4mm would produce 7m³ of rain. This is equal to 7,000L of water, this is enough water to water a 6 m by 6 m vegetable garden for month. Or half of your entire backyard lawn.
This amount of water would have cost $7 in your underpriced Canadian system. A typical rain barrel will run you $80. However you can find repurposed plastic drums/rain barrels for $40. Or a plastic 50 gal garbage can costs $20.
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