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Groundwater is sometimes found contaminated with pesticides or other chemicals. Explain in detail that how does groundwater get contaminated with these types of chemicals? 

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Please find below the solution to the asked query                                                             

Groundwater is contaminated with pesticides, chemicals etc. through the following sources:

  • Storage Tanks: These tanks contain gasoline, chemicals, oils etc. They are generally present below the ground. If there are any cracks or leaks in these tanks, then groundwater gets polluted with the contents of the tank.
  • Hazardous waste: If hazardous waste sites have leaks in them, then the hazardous waste could reach groundwater and cause contamination.
  • Landfills: If the landfills lack protective bottom layer or have a crack in this layer, then the contaminants present in this landfill can reach groundwater.
  • Pesticides, herbicides etc. used by farmers in the field can seep into the groundwater when it rains.

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Pesticide and other chemicals contamination of groundwater is a subject of national importance because groundwater is used for drinking water by about 50 percent of the Nation's population. This especially concerns people living in the agricultural areas where pesticides are most often used, as about 95 percent of that population relies upon groundwater for drinking water. Before the mid-1970s, it was thought that soil acted as a protective filter that stopped pesticides from reaching groundwater. Studies have now shown that this is not the case. Pesticides and chemicals can reach water-bearing aquifers below ground from applications onto crop fields, seepage of contaminated surface water, accidental spills and leaks, improper disposal, and
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Pesticide and other chemicals contamination of groundwater is a subject of national importance because groundwater is used for drinking water by about 50 percent of the Nation's population. This especially concerns people living in the agricultural areas where pesticides are most often used, as about 95 percent of that population relies upon groundwater for drinking water. Before the mid-1970s, it was thought that soil acted as a protective filter that stopped pesticides from reaching groundwater. Studies have now shown that this is not the case. Pesticides and chemicals can reach water-bearing aquifers below ground from applications onto crop fields, seepage of contaminated surface water, accidental spills and leaks, improper disposal, and it is the result i copied it from first answer
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Hi!
@ Pulagam: Your answer is a copyrighted information from the Internet and the answer is not at all accurate. Everyone likes Original and un-copied answers. 

Regard!

 
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