ORGANIC POLLUTION INDICATION AS TRACER FOR THE POLLUTION OF DEEP BORING WATER: THE EXAMPLE OF THE TOWNSHIP OF ABOMEY-CALAVI (BENIN)
Pollution represents a serious problem for the environment; the worn-out waters domesticated and non-purified represent the main source of organic pollution of waters. The township of Abomey-Calavi is between the latitudes 6°20'23.4 '' and 6°42'6.6 '' North and the longitudes 2°14'13.8 ''and 2°25'7.8 '' East. Followed it of analysis in the different points of observation made the object of a treatment of data by the establishment of a card of organic pollution of 54 deep boring waters and 4 surface water of the region, that informs us on the influence of the dismissals and the quality of waters by the slant of an organic pollution indication that himself calculation according to the method of Leclercq, Maquet (1987) whose principle is to distribute the values of the polluting elements in 05 classes, to determine from his own measures, the number class correspondent for every parameter to make the average of it. The interpretation of the card representing the different parameters of organic pollution of the 54 deep boring water and 4 surface water gives some results on the contamination or not of the natural waters. The card shows that the different deep boring water in the region of Abomey-Calavi pass from a quality to another.
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