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In early US history, drinking water quality in the country was managed by individual drinking water utilities and at the state and local level. In 1914 the U.S. Public Health Service (PHS) published a set of drinking water standards, pursuant to existing federal authority to regulate interstate commerce , and in response to the 1893 Interstate ...
The history of water supply and sanitation is one of a logistical challenge to provide clean water and sanitation systems since the dawn of civilization. Where water resources, infrastructure or sanitation systems were insufficient, diseases spread and people fell sick or died prematurely. Astronaut Jack Lousma taking a shower in space, 1974.
The Clean Water Act ( CWA) is the primary federal law in the United States governing water pollution. Its objective is to restore and maintain the chemical, physical, and biological integrity of the nation's waters; recognizing the responsibilities of the states in addressing pollution and providing assistance to states to do so, including ...
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 industry, although laws and regulations introduced in the late 20th century have improved water quality in many water bodies. [ 1] Extensive industrialization and rapid urban growth ...
Much of the water reclaimed from the Everglades was sent to newly developed areas. [80] With metropolitan growth came urban problems associated with rapid expansion: traffic jams; school overcrowding; crime; overloaded sewage treatment plants; and, for the first time in south Florida's urban history, water shortages in times of drought. [81]
Environmental history. The city of Machu Picchu was constructed c. 1450 AD, at the height of the Inca Empire. It has commanding views down two valleys and a nearly impassable mountain at its back. There is an ample supply of spring water and enough land for a plentiful food supply. The hillsides leading to it have been terraced to provide ...
The rapid expansion of education past age 14 set the U.S. apart from Europe for much of the 20th century. [ 82] From 1910 to 1940, high schools grew in number and size, reaching out to a broader clientele. In 1910, for example, 9% of Americans had a high school diploma; in 1935, the rate was 40%. [ 190]
Spain, France, and especially England explored and claimed parts of the region. Starting in the 17th century, the history of the Southern United States developed unique characteristics that came from its economy based primarily on plantation agriculture and the ubiquitous and prevalent institution of slavery.
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