تقييم بعض الخواص الفيزيائية لمياه الشرب ببلدية الدائرة الثانية لمدينة أنجمينا

الملخص EN

This study aims to estimate some of the physical properties of drinking water distributed by the Chadian Water Company (STE) to the residents of N'Djamena through its various reservoirs and networks, then comparing the percentages of these standards with the permissible limits according to the specifications of international bodies and organizations concerned with health and environment.

These properties are: EC:Electrical Conductivity)µs/cm( ,pH, TDS: Total Dissolved Solids(mg/l), T: Temperature )C° , DO :Dissolved Oxygen.

Water samples were collected before treatment (directly from the artesian well) and after treatment (from the water distribution network) from three stations of the Chadian Water Company (STE): GD1 (Gendarmerie), GD24 (Centre STE).

2Ch.jumelles (Châteaux Rue 40).

The physical properties of these samples were determined in the laboratory of the Chadian Water Company according to the approved standard methods.

The results of the analyzes for various properties were compared with the permissible values and limits of the World Health Organization and some health and environmental bodies and institutions.

this study Was Conducted from February to March 2021.

All the measurements made were repeated three times, then each result was expressed as the mean value plus or minus the standard deviation.

The statistical analysis program Recomander (R×643.2.2.5.Lnk) was used to perform the statistical analyzes of the results, and the confidence level for these results was taken at P<0.05.