TEST RESULTS AND ANALYSIS OF LEGIONELLA IN WATER ENVIRONMENT IN SHIJIAZHUANG

[Objective] Through detecting the Legionella in water environment in Shijiazhuang City to determine the status of its pollution.[Methods] Detected Legionella in water environment in Shijiazhuang.86 water samples of central air-conditioning cooling tower water and condensed water in hospitals,hotels and restaurants were collected from 2007 to2008,and 8 water samples from lake and fountain.[Results] The positive rate of central air-conditioning cooling tower water and condensed water samples was 45.35% for total 86 water samples,12.5% for 8 water samples from lake and fountain.The main strain was Legion LP1-type,with detection rate of 80.43%(37 / 46).[Conclusion] Parts of the water environment in Shijiazhuang City have been polluted by Legionella .There are potential risks of Legionella outbreaks.