Analysis on the detection results of drinking water in Mianyang City in 2012

[Objective]To understand the hygienic condition of drinking water in Mianyang City,provide reference data for government to make the scientific decision,and ensure the safety of public drinking.[Methods]The detection results of water samples(including source water,finished water,tap water,secondary water supply,self-prepared water and rural centralized water) in Mianyang City in 2012 were analyzed according to the Standard examination methods for drinking water(GBT /5750-2006).[Results] Among 1 260 water samples,904 were qualified.There was significant difference in qualified rate of drinking water between urban areas and rural areas(P 0.05).The difference in qualified rate of drinking water between winter-spring and summer-autumn was significant(P 0.05).The over standard rates of total coliform group and disinfectant were high.[Conclusion]The qualified rate of drinking water is high in urban areas of Mianyang City,while that is low in rural areas.The related departments should carry out comprehensive measures to strengthen the hygiene supervision in rural drinking water.