Water Pollution 2

Water pollution is the contamiation by micoorganisms, chemicals, industrial and other wast, or sewage. These harmful materials deterioate the quality of water. Nottable effects of water pollution is when it involes human health. Nitrates in drinking water can cuase disease in infants that sometimes results in death. Cadmium in sludge-derived fertilizers can be abosrbed by crops; if ingested insufficient amounts, the metal can cause an acute diarrheal disorder and liver and kidney damage. The hazardous …

…such as biochemical oxygen demand and the amount of suspended solids, but also on their content of specific inorganic and organic substances. Three options (which are not mutually exclusive) are available in controlling industrial wastewater. Control can take place at the point of generation within the plant; wastewater can be pretreated for discharge to municipal treatment systems; or wastewater can be treated completely at the plant and either reused or discharged directly into receiving waters.