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Rivers are an essential component of the terrestrial realm and have been a preferable location for human settlements during history. River is the main expression used for river channels themselves, riparian zones, floodplains and terraces, adjoining uplands dissected by lower channels and river deltas. [3]
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.
In 2022, the most comprehensive study of pharmaceutical pollution of the world's rivers found that it threatens "environmental and/or human health in more than a quarter of the studied locations". It investigated 1,052 sampling sites along 258 rivers in 104 countries, representing the river pollution of 470 million people.
Polluted stormwater is one of the biggest threats to clean water in the U.S., but it's not treated like wastewater. Here's why.
The river supplies water to approximately 40% of India's population across 11 states [2] and serves an estimated 500 million people—more than any other river in the world. [3] [4] The Ganges is severely polluted with human waste and industrial contaminants. Currently, it is considered the most polluted river in the world. [5]
Study reveals how human impacts to rivers and streams could contribute to the global climate crisis.
The most polluted river in Japan from the 1960s to the 1990s, leading to cleanup efforts. [218] River Churnet: Staffordshire, England: Became possibly the most polluted river in Europe in the 19th century. Improved after the decline of industry in Leek and the Churnet Valley. [219] Charles River: Massachusetts, United States
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]