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Depleting groundwater reserves in Central and Northern Lithuania

2014-01-06

In 2013, the Lithuanian Geological Survey conducted groundwater recharge studies. They showed that groundwater reserves in Lithuania are annually recharged by around 5,788 million cubic metres (or 5.788 cubic km) of water. This means that the average rate of additional reserves per one square kilometre of groundwater is 91,067 cubic metres, which accounts for close to 13% of the average annual amount of precipitation.

Within Lithuania, groundwater recharges at different rates. The highest rate can be found in Eastern and South-eastern Lithuania where groundwater reserves are often recharged annually by more than 200,000 cubic metres per one square kilometre. This rate stands at 300,000 cubic metres in the Curonian Spit.

Groundwater reserves in Central and Northern Lithuania are depleting due to predominant evaporation and surface water discharge. Every year, this area loses around 50,000 cubic metres of water per one square kilometre and the figure for the Nemunas delta is even higher at 100,000 cubic metres.

"Fortunately, water is a mobile medium so there are enough water resources for everyone. In the Nemunas delta, water evaporation is more than compensated by springtime, and sometimes wintertime, floods," says Jonas Satkūnas, Deputy Director of the Geological Survey.

Public Information Division
06/01/2014

Minister of Environment of Lithuania Kęstutis Navickas
Minister of Environment of Lithuania Kęstutis Navickas