Proper equipment of communes with technical infrastructure is a basic element of their development and also determines the welfare of local communities. Ecologically based principles of sanitary infrastructure realization are of major significance and interest for areas with high environmental values. The paper presents the characterization of 114 communes under influence of national parks from the point of view of technical infrastructure services, basing on multi-indicator method.Through analysing wdsw and wdsk factors, the communes were divided into 5 categories: 0-20% -communes of a bad availability of water and sewerage infrastructure (3 units in case of waterworks and 23 in case of sewage system); 20-40% -communes of unsatisfactory availability of water and sewerage infrastructure (18 units in case of waterworks and 45 in case of sewage system); 40-60% - communes of an average availability of water and sewerage infrastructure (9 units in case of waterworks and 29 in case of sewage system); 60-80% - communes of good availability of water and sewerage infrastructure (25 units in case of waterworks and 11 in case of sewage system); 80-100% - communes of a very good availability of water and sewerage infrastructure (59 units in case of waterworks and 6 in case of sewage system).Taking into account ...