ABSTRACT.
This article analyses the state of non-centralized water supply sources in Tyumen, Russia, with a focus on the composition of water and the presence of Fe and Mn anomalies in surface and ground waters. The composition of water is determined by the regional geochemical background. This paper investigates the Fe and Mn anomalies
present in the groundwater of the Tyumen region. The study analyzed the content of Fe and Mn in water sampled from
private wells of residents in Tyumen. The results showed that the groundwater in the region has elevated levels of Fe
and Mn, up to 4 and 2 times the Maximum Permissible Concentration (MPC), respectively.
KEYWORDS: Fe-Mn anomaly, heavy metals in water, non-centralized water supply sources, Tyumen Oblast.
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