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Ground Water
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Revision as of 09:20, 23 January 2016 by
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Demystifying Ground Water
Geology and Ground Water Conditions in Napa County
Groundwater, the hidden source of life
Fresh water makes up less than 1 % of all water on earth. Of this 1 %, 99 % is groundwater.
An aquifer is an underground water reservoir.
Some aquifers are depleted by overuse, with a rate of meters per year.
Dangers of pollution of groundwater.
See also
Watering a garden
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Ground water
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