Hello! In order to use well water as drinking water and thus not to harm your health, it is necessary to have its research on the full range of tests. The document regulating the quality of such water is SanPiN 22.214.171.1245-02 “Hygienic requirements for the quality of water from decentralized water supply. Sanitary protection sources. It contains norms for indicators: organoleptic, chemical, microbiological. To maintain proper water quality in wells, the analysis of its aquatic environment should be carried out at least once a year. You can carry out a water analysis for compliance with SanPiN 126.96.36.1995-02 on the basis of our laboratory at the FSBI CNMVL.