Aquifer Contamination Notes
By: Steve • Essay • 352 Words • November 9, 2009 • 950 Views
Essay title: Aquifer Contamination Notes
Groundwater Contamination
-The ability for an aquifer to store and transport water depends on its porosity
-Investigations now should focus on aquifers that are current or potentia drinking water supply sources.
-Emphasis should be placed on fields containing present or future planned drinking water supply sources
-Groundwater moves in response to gravity
-Groundwater flow is slow
-Groundwater as a sole source of drinking water is used by more than 50 percent of the total United States population and 97 percent of rural residents.
-40 % is agricultural irrigation water usage and 26 percent is industrial withdrawals
-The full extent to which groundwater in the United States is contaminated is not fully documented
-The nation is not facing an overall groundwater contamination crisis, but in some localities, local contamination has caused significant well closures and public health concerns.
-Contaminated groundwater has limited utility and deterioration of its quality constitutes a permanent loss.
-1/2 of the US relies on groundwater that is not treated or disinfected as their source of drinking water.
-In the Midwest, the use of agricultural fertilizers raised nitrate concentrations in groundwater above the federal safe drinking levels.
-Groundwater in ever section of the country, both private and public areas, have also been contaminated over the
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