Director of the Institute: Ing. Yvetta Velísková, Phd.
Deputy Director: ing. Peter Šurda, PhD.
Scientific secretary: Ing. Renata Dulovičová
At present time the Institute has 42 employees (28 employees with university degrees engaged in research projects, 8 technical engaged in research projects, and 6 administrative). Institute has five PhD students.
Since 2014 the structure of the Institute consists of two scientific departments with two experimental bases:
Department of surface water hydrology (Head: Ing. D. Halmová, PhD.)
Experimental Hydrological Base in Liptovský Mikuláš (Head: RNDr. Z. Kostka, PhD.)
Department of subsurface water hydrology (Head: RNDr. T. Orfánus, PhD.)
Hydrological Research Base in Michalovce (Head: Ing. M. Gomboš, PhD.)
Institute has two organization units:
Department of Scientific-technical information and computer networks (Head: Ing. Ivan Mészároš, PhD.);
Economic and Administrative Department (Head: Ing. Katarína Mocková).