In recent years, however, the quality of well water has improved as a result of the drop in industrial production and the decline in the quantity of chemicals and fuels seeping into the water table.
Viimastel aastatel on aga kaevuvee kvaliteet paranenud tänu sellele, et tööstuslik tootmine on kahanenud ning piiratud on kemikaalide ja kütuse sattumist põhjavette.