The consequences of water pollution on humans Due to heavy metals Heavy metals in water is necessary for human beings and because they are the trace elements that organisms need high levels however it cause toxic to humans, causing many diseases such as cancer, mutations. Especially painful than it is the cause of the cancer village. Due to the organic compounds Worldwide there are about 60 105 tonnes annually of synthetic organic compounds including fuel quality, pigments, pesticides deep, growth stimulants, pharmaceutical additives in food. These substances are often toxic and have a high biological stability, especially the aromatic hidrocacbnon strong environmental pollutants, causing significant impact on human health. The detergent surfactants are high quality negatively affect health, suspected to be carcinogenic. The bacteria in wastewater harmful bacteria in contaminated water from the municipal waste humans and animals, such as cholera, typhoid and polio.