In the work is given results of the chemical characteristics research of the well water used for drinking by rural population on the Colchis lowland, which seems to be well water chemical pollution cases, particularly, there are detected nitrite importance value in 10 from 14 water samples, also fixed cases of pollution by phosphate and by iron, that is possible become base of many diseases create and distribution in the population. To accomplish this is necessary wider scale and long complex research to precise quality of well water used for drinking by rural population of the seven municipalities of the Colchis lowland.