The research was aimed to study the pattern of the impact of drinking waters with high content of nitrates on the organism at the example of Odessa region. There was determined that in the Odessa region the nitrate content in the drinking waters varies in wide range. The maximum concentrations of nitrates in drinking waters of Odessa region reaches 2–3 MAC. However, even non-significant exceeding of standards of nitrate content in drinking water worsens children’s health manifested growth maldevelopment. Any significant impact of this factor on the biological age of adults was not determined.
