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目的：对南宁市某水厂水源水和出厂水进行致突变性研究。方法：采用蝌蚪红细胞微核实验法。结果：水源水微核率明显高于对照组（Ｐ＜０．０１），经沉淀池处理后，水质中的微核率明显降低（Ｐ＞０．０５），但加氯消毒后，微核率又有所增加（Ｐ＜０．０５）。结论：邕江水污染严重和氯化消毒可增加饮用水的潜在危害性。
Objective: To study the mutagenicity of water and ex-factory water of a water plant in Nanning. Methods: Using tadpole erythrocyte micronucleus test. Results: The micronucleus rate of water source water was significantly higher than that of the control group (P <0.01). After the sedimentation tank was treated, the micronucleus rate of water quality decreased significantly (P> 0.05) Rates increased again (P <0.05). Conclusion: The serious water pollution in the Yongjiang River and chlorination disinfection can increase the potential hazard of drinking water.