The Slovenian EHVZ database (Hydrography and Water Land Records) contains 67.549 watercourses with total length of 41.071 km. Total area of still waters is 24 km2 and river reservoirs 31 km2.
For use in water management, water land areas are delineated. Total area of water land in Slovenia is 387 km2, which is 1, 9 % of continental area of the Republic of Slovenia. Marine water land area is 214 km2.