Drinking water quality after implementation of rural drinking water safety project in Shijiazhuang city

Objective To understand drinking water quality after the implementation of rural drinking water safety project in Shijiazhuang city and to provide scientific evidence for making decision.Methods Drinking water samples were collected and tested in 17 counties with drinking water supply system of rural drinking water safety project in 2008-2009 in Shijiazhuang city.The sampling and testing were conducted in dry season (March to May) and wet period (July to September).Results Among 330 rural drinking water supply systems investigated,only 6.06% had qualified water treamten tequipment and 87.27% had no disinfection equipment.The hygienic qualification rate was 80.61% and 80.00% for out water of the water plants and tap water.The qualification rates of the water samples were more than 95% for physical,chemical,and toxicologic indicators.But the microlial indicators was under the national standard.Conclusion The rural drinking water treatment works in Shijiazhuang city need to be miproved,especially for disinfection facility.