oa Civil Engineering = Siviele Ingenieurswese - An engineering response to the sea water quality issues in Durban : environmental
Before dealing with the engineering side of this issue, I believe it is important to first examine the science behind the decision taken by Blue Flag to withdraw status from certain of Durban's beaches. The quality of sea water is impacted primarily by storm events which have the effect of washing pollution from the land into the sea. For a short period after these storm events, the quality of sea water can be impacted negatively in areas immediately adjacent to river or storm water drain discharge points. The impact of this pollution is short-lived because of the ability of sea water to destroy pathogens within a few days.
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