杭州萧山区饮用水源地铁污染评价及控制对策研究
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2020-03-19 11:16:24
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第33卷第1期2017年2月中国环境监测EnvironmentalMonitoringinChinaVoi.33No.1Feb.2017杭州萧山区饮用水源地铁污染评价及控制对策研究何静林,温东辉,高波1.杭州市萧山区环境监测站,浙江杭州3112002.北京大学环境科学与工程学院,北京100871摘要:以杭州市萧山区2008~2O14年饮用水源地铁含量监测数据为分析对象,研究饮用水源地的铁含量时空分布并评价铁污染状况,结果表明,铁含量单次测值历年超标,超标倍数0.叭一8.8O,超标率16.7%一86.1%,7年间超标率呈现阶段性的螺旋式上升,铁污染日趋严重,到2014年有所减轻。通过对饮用水源地周边环境和污染源调查,结合文献资料,分析铁污染成因,提出防治对策:制定地表水体中铁的分类标准,完善废水的铁排放标准;建立跨行政区域的水环境管理机制,全面实施河长制;加强水土保持和酸雨控制,进行河流综合整治;加强饮用水源管理,扩建备用水源和另找水源。关键词:饮用水源;铁污染;控制对策中图分类号:X824文献标志码:A文章编号:1002-6002(2017)01·0097.09DOI:10.19316/j.issn.1002—6002.2017.O1.15ResearchontheAssessmentandControlCountermeasuresofIronContaminationinDrinkingWaterSourcesofXiaoshanRegionHEJinglin‘,WENDonghui,GAOBo1.HangzhouXiaoshanEnvironmentalMonitoringStation,Hangzhou311200,China2.CollegeofEnvironmentalSciencesandEngineering,PekingUniversity,Beijing100871,ChinaAbstract:BasedonthemonitoringdataofironconcentrationofthedrinkingwatersourcesinHangzhouXiaoshandistrictduring2008-2014,thetemporalandspatialdistributionofironconcentrationwasstudied,andtheironcontaminationinthedrinkingwatersourceswasassessed.Theresultsshowedthatsomesinglemeasurementvalueofironcontentwereover-standardeveryyear,whichis0.O1—8.80timesthanthestandard.Therangeofover—standardratewas16.7%-86.1%。whichpresentedtheperiodicandspiralincreaseduring7years,ironpollutionwasseriousincreasingly,reducedto2014.Throughtheinvestigationofwatersourcesenvironmentandpollutionsources,thereasonforironcontaminationwasanalyzedandthecontrolcountermeasureswereputforwardas:Establishtheclassificationstandardforironinthesurfacewaterandimprovethedischargestandardsofironinwastewater;Setupthecross—administrativeregionmechanismofwaterenvironmentmanagementandimplementfullytheresponsibilitysystemofrivers;Strengthensoilandwaterconservationandcontrolacidrain;Strengthenthemanagementofdrinkingwatersource,expandthebackupdrinkingwatersource,explorenewdrinkingwatersource.Keywords:drinkingwatersource:ironcontamination;controlcountermeasures铁(Fe)在地球上分布很广,约占地球质量的5.6%,但天然水体中铁含量并不高。随着社会经济的快速发展,部分地表水体的铁含量逐年
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