Quality of drinking water of Canakkale Province, Turkey

Year 2012, Volume: 71 Issue: 1, 7 - 15, 27.06.2012

Mahmut Coskun Akin Cayir , Munevver Coskun Aslı Kovanci

Abstract

Concentrations of arsenic cadmium, copper, lead, and zinc in the first flush and post-first flush of tap water were determined. Further, the tap water was allowed to run at least 3 minutes and samples were analyzed for bacteriological quality. The analysis showed that Cd and Pb concentrations in the first and second forty samples collected were under the detection limits of the analytical method employed. The concentration ranges of As, Cu, and Zn in the first forty samples were 0.95-11.9 µg/L, 0.011-0.58, and 0.04-5.29 mg/L, respectively. Lower ranges of Cu and Zn levels of 0.010-0.343 and 0.008-4.546 mg/L, respectively, were found in the second forty samples. Total aerobic mesophilic bacteria, total coliform and Escherichia coli were detected in 28, 18 and 1 out of 40 water samples, respectively. Our results show that some of the water samples that contained high levels of bacterial colonies were collected from four buildings, situated at two faculties of the university, a cafeteria and a bakery. These findings indicate that the distribution system and drinking water of Canakkale needs improvement.

Keywords

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Çanakkale İçme Suyu Kalitesi

Abstract

Açılır açılmaz ve belir süre akıtıldıktan sonra alınan musluk suyu örneklerinde arsenik, kadmiyum, bakır, kurşun ve çinko konsantrasyonları belirlenmiştir. Bununla birlikte musluk suyunun 3 dakika akıtılmasından sonra alınan su örneklerinin bakteriyolojik analizi yapılmıştır. Elde edilen sonuçlar, açılır açılmaz alınan 40 örnekte ve belli bir süre akıtıldıktan sonra alınan 40 örnekte Cd ve Pb konsantrasyonlarının çalışmada kullanılan analitik metodun deteksiyon limitinin altında olduğu görülmüştür. As, Cu ve Zn’nun konsantrasyon aralıkları sıra ile 0.95-11.9 µg/L, 0.011-0.58 ve 0.04-5.29 mg/L olarak bulunmuştur. Cu ve Zn’nun en düşük konsantrasyonları belli bir süre akıtıldıktan sonra alınan 40 örnekte saptanmış ve sıra ile 0.010-0.343 ve 0.008-4.546 mg/L olarak bulunmuştur. Bakteriyolojik analiz için alınan 40 örneğin 28’inde aerobik mezofilik bakteri, 18’inde coliform ve 1’inde Escherichia coli saptanmıştır. Yüksek seviyede bakteri kolonileri oluşturan örneklerin 2 fakülteden, 1 kafeteryadan ve 1 ekmek fırınından alındığı saptanmıştır. Bu sonuçlar, Çanakkale içme suyu ve şebekesinin iyileştirme gereksinimi olduğunu göstermiştir

Keywords

Bakteriyolojik kalite, ağır metal, kontaminasyon, su kalitesi

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