title: Groundwater of Middle Jurassic deposits of the southern regions of the Komi Republic
abstract: The features of the chemical composition of fresh groundwater of the Middle Jurassic aquifer complex in the southern regions of the Komi Republic, which is the main source of drinking water supply, are shown. Groundwater is mainly confined to the sole, composed of quartz sands, of the Sysol formation of the Middle Jurassic (J2ss) and is distributed at depths from 13.7 to 119 m. The waters are confined to the zone of active water exchange, to the areas of infiltration of atmospheric precipitation
journal: Vestnik of Geosciences