Lukunga River constant deposits of sediment. The river drains the Ngaliema commune, Mama Mobutu city and part of Mont-Ngafula, and forms the boundary between Ngaliema and Mont-Ngafule. On its right bank the Lukunga is fed first by the Ikusu River, which has its source at a height of and then by the Mbinza River, which rises at a height of . Before independence, one of the two water treatment plants for Leopoldville, now Kinshasa, was on the Likunga river at Kinsuka in the Ngaliema district. The station had been designed to last for 30 years with normal maintenance, but was in very
City of Durham (UK Parliament constituency) boundaries adjusted only very slightly, although as elsewhere the franchise was reformed. The Reform Act 1867 extended the boundaries to include part of Framwellgate parish which had previously been excluded. Under the Redistribution of Seats Act 1885, the borough's representation was reduced from the 1885 general election to a single MP. In the boundary changes of 1918, the borough was abolished, but a division of County Durham was named after the City. From 1918, Durham City was included in a county constituency officially called The Durham Division of (County) Durham, consisting of the central part of the county. In the