Study and evaluation of the level of pollution of Gallaorol springs S.A. Tashpulatova, Sh.Q. Choriyeva, X.X. Zokirov, M.B. Abramatov and A.Sh. Maxammadiyev E3S Web of Conf., 510 (2024) 03006 Published online: 09 April 2024 DOI: 10.1051/e3sconf/202451003006