HOW WE ARRIVED AT OUR FIGURES
Taps in basins output from 1 – 17 litres per minute.
We have chosen an Estimated Current Flow rate of 10 litres a minute.The British Dental Health Foundation suggest that to maintain oral hygiene people should spend 5 minutes a day brushing their teeth.
We have chosen a total usage of 5 minutes per day for basins which includes brushing teeth and washing hands.
We have chosen a mix of 30% hot and 70% cold water for the basin.
Kitchen taps in basins output from 1 – 19 litres per minute.
We have heard of some taps outputting as much as 25 litres per minute
We have chosen an Estimated Current Flow rate of 12 litres a minute.
We have chosen a total usage of 3 minutes a day.
We have chosen a mix of 70% hot and 30% cold water for sinks.
Waterwise says a typical mixer shower will use 9-12 litres a minute, a power shower can use up to 16 litres a minute and multi-head showers can use up to 45 litres a minute.
We have chosen an Estimated Current Flow rate of 15 litres a minute.
Waterwise also tells us that on average people spend more than 10 minutes in the shower. However for our figures we have used a 5 minute shower a day as a typical time.