91份水样完全合格率为20.88%,其中地面水、地下水合格率分别为14.81%和23.44%,集中式和分散式给水细菌学指标合格率分别为32.61%和20.00%。
The qualified rate of bacterial indexes was 32.61 % for water samples collected from centralized water supply system and 20.00 % for those from de centralized water supply system .