dimension of lake = 4,3 x 1,1 km , length of seaside = 11 km
surface = 3, 19 km2 , volume = 100 Mm3
largest depth = 45 m , average transparency = 10 m
temparatura of water = 0 - 24°C , (cold water (4°C) starts to on depth 5 m
average affluent of Savica to lake = ~5m3/s ,
average drain at church St. Janez = 8,34m3/s
