Explore 7 common water -related diseases , their symptoms, causes, and prevention tips. Stay informed to safeguard your health effectively. Waterborne diseases These diseases are caused by consumption of water contaminated by human or animal excreta i.e. diarrhoea, cholera, typhoid and gastro-enteritis etc. The human and animal excreta contain various disease causing microorganisms such as bacteria, virus, worms and amoeba etc. Know more about water-borne diseases , understand their causes, and learn effective prevention strategies.