Ground-water Sustainability and Contamination

Question 1

Effects of pumping on streams/rivers

Answer 1

Reversal of flow direction
put well in, groundwater goes through well instead of into surface water, then well captures surface water when water table drops after long time

ALSO sediments between river and well act as filter

Question 2

Groundwater Contaminents

Answer 2

agriculture -pesticides/fetilizer
landfills
mining