Quality Analysis of Potable Water in Dowhan, Erop Wereda, Tigrai, Ethiopia

Abstract

One of the important UN Millennium Development Goals is to reduce by half the proportion of people without sustainable access to safe drinking water by the year 2015. Quality analysis of drinking water is less studied even though peoples are consuming or drinking water day to day that may result the accumulation of unwanted materials in human body.   A study was carried out to assess the suitability of potable water used for domestic activities in Dawhan, Erope wereda, tigray Ethiopia. some water quality parameters such as total dissolved solids (TDS), Hardness, Chlorides, Sulphate. The results of the physical parameters revealed the following: total dissolved solids, 2500 mg/L exceeds the permissible value of WHO (500-2000mg/l), chloride, 200.293 mg/L, Hardness, 275.8 mg/L and sulphate, 490.085mg/L. Therefore, the concentration of sulphate exceeds the permissible value of WHO (200-400 mg/L).

Key words: Total Dissolved Solids, Water Hardness, Sulphate, Chlorides. Water Quality