2019~2020年济南市槐荫区自备水井水质卫生调查

Survey on water quality sanitation of self-provided wells,Huaiyin district,Jinan city,2019-2020

目的了解济南市槐荫区自备水井水质情况,为自备水井的卫生管理、改水工作和预防控制介水传染病传播等提供科学依据。方法分别于2019、2020年5月对济南市槐荫区自备水井样品进行采集及检测,收集自备水井水质的微生物指标、毒理指标、消毒剂指标、感官性状和一般化学指标数据进行分析。结果2019~2020年共检测自备水井108眼,采集水样216份,合格率为47.22%。2019~2020年感官性状指标、一般化学指标、微生物指标、毒理指标、消毒剂常规指标的合格率分别为100.00%、70.18%、80.70%、87.72%、52.63%;100.00%、83.33%、91.18%、99.02%、41.18%。2019年吴家堡街道办事处水样合格率最高,为61.11%;2020年美里湖街道办事处水样合格率最高,为60.00%。结论济南市槐荫区自备水井水质合格率较低。

Objective To understand the water quality of self-provided wells in Huaiyin district, Jinan city, so as to provide scientific basis for health management, water improvement and prevention and control of water-borne infectious diseases. Methods Samples of self-provided wells in Huaiyin district of Jinan city were collected and tested in May 2019 and May 2020,and data of microbial indicators, toxicological indicators, disinfectant indicators, sensory properties and general chemical indicators of water quality of self-provided wells were collected and analyzed. Results A total of 108 wells were tested and 216 water samples were collected during 2019-2020,with a qualified rate of 47.22%.The qualified rates of sensory traits, general chemical, microbial, toxicological and disinfectant routine indexes were 100.00%(114/114),70.18%(80/114),80.70%(92/114),87.72%(100/114),52.63%(60/114);100.00%(102/102),83.33%(85/102),91.18%(93/102), 99.02%(101/102),41.18%(42/102),respectively during 2019-2020.In 2019,the qualified rate of water samples in Wujiapu sub-district office was the highest, which was 61.11%;In 2020,the qualified rate of water samples in Meilihu sub-district office was the highest, which was 60.00%. Conclusion The self-provided well in Huaiyin district of Jinan city have a relatively low qualified rate.