Assessment of drinking water quality in some schools in Nalut city

الملخص EN

This study aimed to evaluate the drinking water quality in some schools in Nalut to determine their suitability and their compliance with the Libyan standard for drinking water.

Cross- sectional study was conducted from December 2020 to April 2021 and measurement were performed for the water of 14 schools in Nalut city to determine the quality of drinking water.

From each school, the tap water samples have been taken in a clean bottles and analyzed within 24 hours.

These samples were analyzed for some physical, chemical and microbiological tests.

Through the study, the results showed that the source of drinking water in all the schools in the study area were transported water and stored in a tank water.

Parameters for physical and chemical properties such as PH (7.3- 8), Potassium (0.1-0.8), Sodium (2.2-6.6), Chloride (2.2-4.1), Nitrate (0.2-0.62), were with in Libyan standard except the total dissolved salts (591-1030) are higher than the permissible value in the Libyan standard for drinking water .However, results of the school drinking water of microbial detection showed that most of the samples were contaminated by E.coli and total coliform.

Some solutions and recommendation were proposed to raise the quality of drinking water in these schools.