Monitoring of drinking water quality from the distribution network of the regional centralized water supply

Abstract The territory of the Irkutsk region belongs to one of the most endowed with fresh water. Along with this, monitoring studies to provide residents with quality drinking water from the distribution network of centralized water supply revealed an excess of hygienic standards. The discrepancy is due to the excess content in drinking water of iron, manganese, nitrates, magnesium, increased rigidity, the presence of common and thermotolerant coliform bacteria. The main causes of poor quality of drinking water are identified, the sources of systematic pollution of water bodies are called. It was recommended to conduct activities that bring the quality of drinking water into line with the requirements of current legislation.