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Name Location Dependent population Description Sources of pollution Impact Bharalu River: Assam, India: One of the most polluted rivers in the state of Assam. [19] The biochemical oxygen demand of the river is 52 mg/L in compared to the permissible limit set by the National River Conservation Directorate (NRCD) at 3 mg/L. [20]
Water pollution (or aquatic pollution) is the contamination of water bodies, with a negative impact on their uses. [1]: 6 It is usually a result of human activities. Water bodies include lakes, rivers, oceans, aquifers, reservoirs and groundwater. Water pollution results when contaminants mix with these water bodies. Contaminants can come from ...
Between 1947 and 1977, General Electric polluted the Hudson River by discharging polychlorinated biphenyls (PCBs) causing a range of harmful effects to wildlife and people who eat fish from the river. Other kinds of pollution, including mercury contamination and cities discharging untreated sewage, have also caused problems in the river. [1]
Water pollution from factories and industry is typically federally regulated. The Biden administration recently proposed toughening regulations on meat and poultry processing plants to reduce ...
It is a popular location for swimmers, tourists and walkers but, in September, excessive levels of pollution were found in the River Teme. The agency’s data showed high levels of bacteria such ...
Factory farm water pollution endangers the Cape Fear River ecosystem. The river provides critical habitat for a variety of threatened and endangered species, and a nursery for fish, crab and ...
Topsoil runoff from farm, central Iowa (2011). Water pollution in the United States is a growing problem that became critical in the 19th century with the development of mechanized agriculture, mining, and manufacturing industries—although laws and regulations introduced in the late 20th century have improved water quality in many water bodies. [1]
The continuously diverted water can be used in China for hydroelectric power generation, where the available head drop exceeds 800 meters over a 40-kilometer stretch. This would be a joint project involving China, Nepal, and India to control river water pollution and ensure the Ganges flows throughout the year.