Groundwater processes Hungary
An introduction to the physical, chemical and biological 
processes that occur in groundwater
Three types of groundwater can be differentiated: shallow 
groundwater, aquifers and fissure water. Shallow groundwater
is located above the first confining layer, aquifers are
situated in the pores and capillaries of rocks between confining
layers (in some cases under artesian water under pressure);
whereas fissure water can be found amongst the cracks/fissures
of rocks such as kastic waters.
The importance of these is evident in the public water
supply, because 90-95% of the tap-water is supplied from
groundwater resources. The quality and quantity of groundwaters
are endangered by human activities such as abstraction,
mining, agriculture, livestock, and potential pollution
sources (storage in soil, industrial plants, etc.).
Further information
Technical summary
Policy and regulatory information

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