Assessment of water quality from different water supply sources in the Kyiv district of the city of Kharkiv
Abstract
Purpose To evaluate the quality of drinking water from various sources of water supply on the example of the Kyiv district of the city of Kharkiv.
Methods. Field (selection of water samples from various sources), laboratory-analytical analysis of water quality, statistical (processing of received data and comparative analysis).
Results. Water samples were taken from various sources of water supply: natural spring water, water from wells, from a well, from the city water supply and from drinking water dispensers. In the samples of artesian water of the "Roganska" trade mark (automatic water dispenser), no exceeding of the normative values was determined for any indicator. Water samples from wells and centralized water supply have elevated levels of total hardness, chlorine, nitrate and iron content, which requires the restriction of their use as drinking water without additional treatment. Water samples from private wells have an increased level of general mineralization, salinity and electrical conductivity of water. Methods of purifying tap water from common salts at home were studied: water freezing, filtration, settling, boiling.
Conclusions. On the basis of organoleptic, physico-chemical and toxicological parameters of water quality, according to DSTU 4808, water from the machine of TM "Roganska" corresponds to the 1st quality class, spring water - 2nd class, water from wells - 3rd class, and water from a well and centralized water supply - 4th class. In order to improve the quality of tap water from common salts at home, freezing and filtration are recommended.
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