2022-2024年南充市顺庆区城乡生活饮用水消毒效果监测结果分析

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Abstract： Objective： To assss the disinfection efficacy of urban and rural drinking water in Shunqing district and provide a scientific basis for disinfection management.Method： Samples fromurban secondary water supplies were collected in March （dry season） and September （wet season） annually. Samples from all water plants and toWnships （including administrative vilages）inrural areas were collcted.Disinfectant levels and total bacterial counts were tested.Result： From 2O22 to 2024，disinfectant compliance in Shunqing's drinking water was 94.09% and total bacterial count compliance was 96.77% .The total bacterial count detection rate showed an increasing trend between years （χ2=6.913，p<0.05） . Urban disinfectant compliance was higher than that in rural areas （χ2=5.567 ， p<0.05） .Bacterial count compliance was higher in the dry season than in the wet season （χ2=6.200，p<0.05 ）， while bacterial detection rates were higher in the wet season than in the dry season （χ2=36.509 ， p< 0.05 ） Conclusion： Drinking water disinfection effcacy in Shunqingdistrict is generallysatisfactory.However， enhanced maintenance of water supply networks is required.Monitoring should prioritize rural areas and wet season disinfection efectiveness， alongside strengthening technical guidance and training on disinfection processes.

Keywords： drinking Water; disinfectants; total bacterial count; disinfection efficacy

水是维持人体生命活动的重要物质，其摄入对确保人体健康至关重要[1-2]。（剩余4003字）