More and more regions in Russia can not boast of good quality tap water. The reason for this fact is a large deterioration of the water drainage and water supply systems, pollution of the water flow, uncontrolled pollution of environment. According to experts, more than 80% of water does not meet regulatory parameters.
More details can be found here: http://dom.lenta.ru/news/2017/10/03/water/?utm_source=from_lenta
