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 until the Filmon government was defeated in 1999, and was responsible for managing the AIDA and NISA files during the flood emergency of 1997. In 1971, Enns declared himself a candidate to replace Weir as leader of the Manitoba Progressive Conservatives. The contest highlighted the ideological divisions of the party: Enns, who represented its rural and conservative wing, lost to urban progressive Sidney Spivak by 46 votes. In 2000, he supported Stockwell Day for the leadership of the Canadian Alliance party. In 1976, Enns nearly derailed plans by the Schreyer government to bring a series of Russian artworks from Leningrad's