QUALITY OF DRINKING WATER RESOURCES IN SLOVENIA
Abstract
Slovenia is a rich European country as regards the quantity of water per capita. Because of river pollution, the karst springs and the groundwater are the main resources of drinking water. In the nineties, the water quality of karst springs and groundwater was mainly satisfactory, and the concentrations allowed in accordance with the drinking-water norms were only occasionally exceeded on regional levels. Between 1992 and 1998, the limit values of nitrates and pesticides were exceeded most often in the groundwater samples, while the water of karst springs was quite frequently bacteriologically polluted. The quality of water samples taken from local smaller supplies is often unsuitable and the follow-up of their quality is not regular, as a rule, if compared to the public water-supply systems. The complex management of important drinking water resources in Slovenia should primarily include the landscape protection measures for the surface waters and the groundwaters, as well as the determination of water-extraction zones under protection, the consistent observance of water-protection regimes, the measures to reduce the needs for water-pumping (particularly by diminishing enormous losses in the water-supply mains) and the reasonable use of water.
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