Abstract: Water quality monitoring data by field investigation of the representative groundwater wells was evaluated by using single factor evaluation and comprehensive evaluation F method.The results showed that in most wells the indexes of coli forms exceeded the standard level,in some wells the indexes of ammonia nitrogen and nitrite exceeded the standard level,and in all wells in the indexes of heavy metals such as manganese did not.Average comprehensive indexes of the groundwater in residential areas were higher than those in pollution monitored areas,which indicates that the groundwater quality in Jishou was mainly polluted by domestic pollution.

Key words: groundwater, quality, evaluation