Nera (Danube) basin and it is not navigable. After the filling of the artificial Lake Đerdap, as a result of the Iron Gate I Hydroelectric Power Station which was finished in 1972, the mouth of the river into the Danube was flooded. In order to allow the optimal electricity production, the water level of the Nera at the mouth should not go below , while it must not exceed it if the flooding of the banks is to be avoided. Since the mid-1990s, there are significant problems in fixing the river's level, as the process is costly and complicated. In 2018, representatives
Harry Enns any problems retaining the riding. Enns was appointed Minister of Agriculture by Dufferin Roblin on July 22, 1967. He retained this position when Walter Weir replaced Roblin as Premier later in the year, also becoming the Acting Minister of Highways (Enns had supported Weir in the party's leadership contest). On September 5, 1968, he was moved to the Ministry of Mines and Natural Resources. Enns found himself at the centre of a significant controversy in early 1969, when he announced that the Manitoba government would allow Manitoba Hydro to flood South Indian Lake in the northern part of the province.