What are the disadvantages of using groundwater?

Answer 1

There are several problems: # This aquifer carries water to the oceans, just like above ground rivers do. This cuts off a nutrient and thermal source that ocean life depends on. # This aquifer commonly supports the land above it, so removing the water can create sink holes. # This aquifer commonly supplies multiple wells, so removing water at a new place may change how much and how deep others may have to go, and what contaminants they will see. # This aquifer frequently contains things that are unsafe to be drunk, so additional treament will be necessary. (Water quality usually changes more slowly for groundwater sources, than does a river, so that helps.) # Drawing water from this aquifer draws additional organisms from the vadose zone (and above), which will alter water quality over time. # The hole fails over time (ground settles, casings corrode, other wells lower water table), and additional expense has to be spent on into the future to maintain / repair / abandon it.

Answer 2

An aquifer is an underground layer of water-bearing permeable rock, rock fractures or unconsolidated materials (gravel, sand, or silt) from which groundwater can be extracted using a water well. The study of water flow in aquifers and the characterization of aquifers is called hydrogeology. Related terms include aquitard, which is a bed of low permeability along an aquifer,[1]and aquiclude (or aquifuge), which is a solid, impermeable area underlying or overlying an aquifer. If the impermeable area overlies the aquifer, pressure could cause it to become a confined aquifer.

Answer 3

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