Has your interest in alternative water systems made you ask, what is a cistern? Read on to learn about this ancient way to store and supply water.

The flush handle is pressed, lifting the flapper, setting in motion about 10 seconds of flushing genius. The lifted flapper releases tank water into the bowl via rim jets and the larger siphon jet.

The world's first cistern to use condensate from air conditioning units to flush the toilet has been launched and would save 2.4 billion litres of water a year for ...

From safe and legal greywater recycling to urban humanure toilets, we've featured plenty of DIY plumbing aimed at more efficient water use. But this DIY rainwater flushing toilet from the UK is about ...