Assessment of the raw water quality at the dam of Keddara before and after the filling

Abstract

Raw water is an important source of drinking water after it has been treated. For that; states always aim to preserve it by building dams. The keddara dam supplies the province of Boumerdes and part of the capital Algiers while the purpose of this study is to assess its quality, whose physic-chemical results are satisfactory with the exception of organic matter in which the microorganisms decompose. And the same observation for bacteriological analyzes which show the strong presence of bacteria.