They are still in poor condition and obsolete, and cover only 2 per cent of arable land. The estimated water demand in FBiH is 1.1 million m3 to 1.27 million m3 per year in the Sava River catchment area and 5 million m3 to 5.63 million m3 per year for the Adriatic Sea watershed. For RS, the estimated amount is about 6.8 million m3.