Search results
Results from the WOW.Com Content Network
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 images show what various parts of the country looked like before the air and water protections that exist today. Vintage photos taken by the EPA reveal what America looked like before ...
Soon after the EPA's founding, the agency dispatched 100 photographers to capture America's environmental problems in a photo project called Documerica.
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.
The most polluted river in Latin America and it is considered one of the ten most polluted places globally, with very high levels of lead. [ 214 ] Large amounts of industrial waste from the numerous factories along the river, especially tanneries.
The other drinking water plant draws water from an intake at Lake Murray and can produce 75 million gallons of drinking water per day. The wastewater plant can treat 60 million gallons a day.
Satellite image of Hinkley, Barstow and Harper Lake, California. From 1952 to 1966, Pacific Gas and Electric Company (PG&E) dumped about 370 million U.S. gallons (1.4 × 10 9 liters) of chromium-tainted wastewater into unlined wastewater spreading ponds around the town of Hinkley, California, located in the Mojave Desert about 120 miles (190 kilometers) north-northeast of Los Angeles.
The Hanford Site is the most polluted area in the US, though cleanup started decades ago.. Estimates say it will take decades more and up to $640 billion to finish the job. The site just received ...