Four smart ways in which design is helping conserve water, improve its quality and help public health. By S. Vishwanath

The foot tap is slowly making a comeback.We are used to taps of many shapes, sizes and design for our bathroom and kitchen sinks. A foot tap is a small and friendly device to operate water flows in sinks which has several advantages. Famously first seen in the rooms of dentists, who needed to drill and rinse the mouth simultaneously, this device is now making its way to many homes and offices and even restaurants.
The lever is placed as a foot pedal, thus leaving the hands free to soap and wash. This means one does not have to close the tap after soaping and potentially pick up bacteria. Also since this is a hands-free device, things like shaving or washing dishes too become easier.
Foot-operated taps can be retrofitted into existing sinks but are best incorporated at the design stage itself. In a day and age when water is getting scarce and when hygiene and sanitation are increasingly becoming important here is a device which technologically delivers water wisdom. Time to install is right now.
Water dispenser
Another smart device making its way into some restaurants is a water dispenser. Here you pick up R.O. water which is either cool or normal. The Reverse Osmosis unit itself is a back-end operation and not linked to the dispenser. A water cooler is however attached to this unit. Once you drink from the steel tumbler, there is a drop off slot where you can push it in for it to be collected and taken away for washing. Design is entering water dispensing in many ways.
The traditional pot or ‘Madke’, ‘Ghada’ or ‘Matka’ as it was called was the best water cooler in the house especially during summer. People still swear by the exact coolness (not too cold) and the taste of the water flavoured with an earthy taste. The pot water had problems with secondary contamination if you dipped a tumbler into it or any vessel to take the water out. Potters and designers for a long time cracked the design issue by incorporating a tap into it. Now you draw the cool water and drink it directly.
SODIS
Then there is the simple way to purify water using glass bottles or PET bottles called Solar Disinfection method or SODIS. Especially during an emergency like the Nepal earthquake, clean water becomes difficult to access and the spread of cholera is a threat. By placing water after filtering it through a cloth into a PET bottle and leaving the bottle horizontally in the sum for 6 hours, much of the bacteria in the water can be eliminated and the water made safer to drink. SODIS can be a lifesaver.
The foot-operated tap, the drinking water dispenser, SODIS and the pot with a tap are but four of the smart ways in which design is helping conserve water, improve its quality and help public health.
This is water wisdom at work.