1. Spatial scale: River Basin District, River Basin, National or the smallest available resolution

2. Available surface water resources 30 000 million m3/a
International resources: 99%
(available only along the large rivers)
National resources: 1%

3. WEI of sub-units without large rivers consider only national resources

4. Water transfers in the Tisza valley

5. WEI of sub-units with transfers from large rivers but
consider only national resources

6. WEI for groups of groundwater bodies

7. WEI for groups of groundwater bodies: karstic