Waterwise ‘The Great British Water Watch (GBWW) is a citizen science project run by Waterwise to collect information on household water use.    Sign me up! Please send my GBWW Pack Members of your household will be citizen scientists collecting information on your water use for 1 week. You will be sent your Great British Water Watch Pack, which contains different coloured water watch cards to use around your home. Waterwise will use the information collected in this citizen science project to better understand how people use water in their homes. Click here for more information.