The River Elbe basin:
- management of important water courses, activities connected with survey and assessment of surface and underground water state within the catchment area of the upper and middle River Elbe and other activities performed by river basin managers.
Establishment Hradec Kralove - branches:
- Hucak weir - +420 495512480
- Predmerice nad Labem weir - +420 495581130
- Smirice weir - +420 495422686
- Flood yard - Pouchov (flood) - +420 495543111.