Abstract

The objective of this study was to examine the microbiological and physico-chemical properties of different types of drinking water used. The cross-sectional type study was carried out between January 1 and April 30, 2016. The samples acquired for the study from 50 packages, 50 tap water taps, and 50 residential treatment devices were examined both microbiologically and biochemically. The pH values varied between 5.57 and 8.26. pH values of tap and packaged waters were all determined to be proper, and improperly low pH values were determined in 25 of the samples acquired from the residential treatment devices. It was determined that amounts of fluoride, chloride, nitrate, nitrite, arsenic, and ammonium were all acceptable. Fluoride amounts were determined to be high at a statistically significant level in packaged and residential treatment device water (p = 0.000). Escherichia coli was determined in 10% of tap water and 2% of packaged water. Microbiological contaminations of the samples collected after the pump-faucet and water fountain were determined to be greater in comparison with those of samples collected directly from packaged waters. It was determined that the residential treatment process is applied more on drinkable waters. The purification of water causes significant physico-chemical changes.

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