hydrológia 3 Exclude matching results ochrana vôd 3 Exclude matching results vodné hospodárstvo 3 Exclude matching results vodné toky 3 Exclude matching results 502 2 Exclude matching results 504 2 Exclude matching results environmentalistika 2 Exclude matching results vodovody 2 Exclude matching results životné prostredie 2 Exclude matching results 349.6 1 Exclude matching results 354 1 Exclude matching results Drinking water 1 Exclude matching results Sewerage 1 Exclude matching results Water supply 1 Exclude matching results Water supply systems 1 Exclude matching results kanalizácia 1 Exclude matching results kanalizácie 1 Exclude matching results ministerstvá 1 Exclude matching results ochrana životného prostredia 1 Exclude matching results pitná voda 1 Exclude matching results plánovanie 1 Exclude matching results vestníky 1 Exclude matching results zásobovanie vodou 1 Exclude matching results