Objective To understand the hygienic status of rural drinking water in Rizhao city, and to provide basis for further improvement of rural area drinking water hygiene management.
Methods Drinking water supply projects in the rural area of Rizhao city were selected randomly and the samples of finished water and tap water were tested both in flooding and dry seasons.
Results From 2009 to 2012, 946 water samples were collected and the total qualified rate was 59.30%. The qualified rates were 36.36%, 38.24%, 68.30%, and 68.37% for selected years respectively. The difference in qualified rates among the four testing years were statistically significant (χ2=46.58, P<0.000 1); the qualified rates of water samples in the dry season was higher than those in the flooding season (χ2=12.12, P=0.000 5); the qualified rates of the finished water samples were higher than those of the tap water samples (χ2=33.15, P<0.000 1).
Conclusion The most important problem of rural drinking water is unqualified microorganism index. Some unqualified physical and chemical indices also need to be addressed.
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