oa Civil Engineer in South Africa - Durban - too much water - too little water
The exceptional continuous heavy rain in the catchments of the major Natal rivers flowing through Durban caused very high flood levels to occur. The magnitudes of the floods are considered, as are the means of determination of the flows.
The major damage due to the high flows of the rivers, particularly in respect of the Umgeni and Umlaas Rivers, created major problems in maintaining water supply and waste water treatment services in the entire densely populated metropolitan area. The steps taken to deal with these problems are outlined. Also considered are the effects of property flooding, damage to other services and the resultant change in river regimes.
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