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PHYSICAL-CHEMICAL ANALYSIS IN DRINKING WATER FROM TIRANA, ALBANIA

Milidin Bakalli

Abstract

The aim of this study is monitoring of quality of drinking water in Tirana city for physical and chemicals properties according the International standards that applied in Albania. In some case water don?t fulfill the permeable levels for drinking due to high levels of ammonium or nitrates. This situation may cause many human health problems. Samples were collect from tap and private wells water. The total of 90 analyzed samples during May to September 2018. All samples are collected in accordance with chemical rules of conservation. Some parameters are measure during sampling likes, temperature, electro conductivity, pH and Total dissolved solids. Other properties, nitrate, nitrite, ammonium, hardness, chloride were analyzed at Chemical Laboratory. All result reported as average values. During this study are observed quite different concentration from samples. More different showed in wells water samples. These values ranged of pH (6.5-7.6), Temperature (13.1-18.2 0C), TDS (178-920 mg/L), EC (256-912 ?S/cm), nitrate (9-28 mg/L), nitrite (0.01-0.3 mg/L), ammonium (0.05- 0.7 mg/L), Hardness 126-462 mg/L CaCO3) and Chloride (13.2-25.6 mg/L). These data shows that tap waterfulfill the quality of drinking water except the hardness which categorizes moderatehard samples from Selita spring and hard for Bovilla reservoir. Another situation is forsamples of private wells. This water classified as very hard, and the presence ofammonium is more than limits. We conclude that quality of drinking water in Tiranainfluenced by natural sources like the hardness, but high level of ammonium especiallyin wells water can caused by anthropogenic sources. This can caused the increase ofbacteriological pollution. In some times samples from tap water has high value likenitrates or ammonium, but in general this water has good quality. Many reasons cancontaminate this water, likes pipeline amortization, lack of water during 24 hours andillegal intervention in supply systems.

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DOI resolver: doi.org/10.5593/sgem2019/5.2/s20.017

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