Objectives By means of summarizing and analyzing the status and problems of drinking water supplies in earthquake disaster region of Ludian, Yunnan province, to provide reference for the sanitation of drinking water in disaster relif.
Methods Field investigation and laboratory examination were carried out according to the plan of drinking water sanitation in Ludian disaster region.
Results The status of water supplies in 38 temporary shelters were as follws:100% (38/38) of water source were mountain springs; centralized water supplies accounted for 76.3%(29/38); decentralized water supplies accounted for 23.7%(9/38). In which, 94.7%(36/38)of water were disinfected and 5.3%(2/38) were not disinfected. Eight days after earthquake, the qualified rates of centralized water, terminal piped water and decentralized water were 68.8%, 50% and 44%, respectively. The qualities of two in three water samples treated with household purifiers were qualified.
Conclusions Sanitary management of water sources, water distribution networks and purification facilities should be strengthened in earthquake relief works.
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