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City-Data is an Illinois-based social networking and information website that presents data and information pertaining to United States cities, and offers public online forums for discussion. Data on site
Articles related to water pollution in the United States, the contamination of water bodies, with a negative impact on their uses. It is usually a result of human activities. Water bodies include lakes, rivers, oceans, aquifers, reservoirs and groundwater.
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 continued implementation of pollution prevention, control, and treatment measures are used to pursue the goal of maintaining water quality within levels specified in federal and state regulations; however, many water bodies across the country continue to violate water quality standards in the 21st century. [87]
The difference with water pollution, however, is that the problems that cause local water quality issues differ from those that create regional air pollution problems. Discharges into water are difficult to measure and effects are dependent on a variety of other factors and vary with weather and location.
The Everett Water Pollution Control Facility is a wastewater treatment plant in Everett, Washington, United States. It serves the city of Everett and discharges treated water into the Snohomish River. The facility is located at the south end of Smith Island, adjacent to Interstate 5 and Spencer Island Regional Park, a noted birdwatching spot ...
The term is used extensively in U.S. water pollution law (i.e. the Clean Water Act), regulations and programs. [1] [2] Many POTWs were established or expanded with grants or low-interest loans from the U.S. Environmental Protection Agency (EPA). [3] There are over 16,000 POTWs in the U.S., serving 75 percent of the total population. [4]
A practical definition of water pollution is: "Water pollution is the addition of substances or energy forms that directly or indirectly alter the nature of the water body in such a manner that negatively affects its legitimate uses." [1]: 6 Water is typically referred to as polluted when it is impaired by anthropogenic contaminants.