Investigation on Sanitary Condition of Rural Drinking Water in Juxian,2009-2010

[Objective]To understand sanitary condition of rural drinking water,provide information for making measures to improve management level of drinking water in rural area.[Methods]Water quality examination was conducted during low and high water period in rural areas from 2009 to 2010.[Results]Of the 200 water samples tested from 2009 to 2010,the qualified rate was 48.00%.The qualified rate was 47% and 49% in 2009 and 2010 respectively(P0.01).The qualified rate was 55% and 20% from central water supply and decentralized water supply(P0.01).The qualified rate was 60% and 39% during low and high water period(P0.05).The qualified rate of turbidity,manganese,total hardness,total dissolved solids,ammonia nitrogen,nitrate nitrogen,oxygen consumption,aerobic bacterial count and coliform bacteria was 99.00%,96.00%,79.00%,99.50%,98.50%,97.50%,98.50%,49.00%,56.50% respectively.[Conclusion]The qualified rate of rural drinking water was lower,the water was seriously contaminated by microbial.