Could you be one of an estimated 44million drinking water supplies potentially contaminated by faeces, according to official data?
MailOnline’s fascinating map reveals which water supplies recorded breaches for bacteria commonly found in the digestive systems of animals and people in water supplies in the UK.
It comes as 22 cases of a parasite called cryptosporidium, which most commonly enters water supplies via contamination of faeces, have been detected in Devon.
Cryptosporidium infection causes people to suffer weeks of diarrhoea