农村集中饮水工程.ppt

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,序号,项目,类,类,类,类,类,1,水温,人为造成的环境水温变化应限值在：周平均最大温升,1,周平均最大温降,2,2,pH,值,6,9,3,溶解氧,饱和率,90,（或,7.5,）,6,5,3,2,4,高锰酸盐指数,2,4,6,10,15,5,化学需氧量（,COD,）,15,15,20,30,40,6,五日生化需氧量（,BOD,5,）,3,3,4,6,10,7,氨氮（,NH,3,-N,）,0.15,0.5,1.0,1.5,2.0,8,总磷（以,P,计）,0.02,（湖、库,0.01,）,0.1,（湖、库,0.025,）,0.2,（湖、库,0.05,）,0.3,（湖、库,0.1,）,0.4,（湖、库,0.2,）,9,总氮（湖、库，以,N,计）,0.2,0.5,1.0,1.5,2.0,10,铜,0.01,1.0,1.0,1.0,1.0,11,锌,0.05,1.0,1.0,2.0,2.0,12,氟化物（以,F,计）,1.0,1.0,1.0,1.5,1.5,13,硒,0.01,0.01,0.01,0.02,0.02,14,砷,0.05,0.05,0.05,0.1,0.1,15,汞,0.00005,0.00005,0.0001,0.001,00001,16,镉,0.001,0.005,0.005,0.0050.01,17,铬（六价）,0.01,0.05,0.05,0.05,0.1,18,铅,0.01,0.01,0.05,0.05,0.1,19,氰化物,0.005,0.05,0.2,0.2,0.2,20,挥发酚,0.002,0.002,0.005,0.01,0.1,21,石油类,0.05,0.05,0.05,0.5,1.0,22,阴离子表面活性剂,0.2,0.2,0.2,0.3,0.3,23,硫化物,0.05,0.1,0.2,0.5,1.0,24,粪大肠菌群（个,/L,）,200,2000,10000,20000,40000,地表水环境质量标准基本项目标准限值,2,）评价项目,集中式生活饮用水地表水源地补充项目标准限值,序 号,项 目,标准值,1,硫酸盐,250,2,氯化物,250,3,硝酸盐,10,4,铁,0.3,5,锰,0.1,式中,:,降水入渗补给量,(,万,m,3,),；,地下水侧向径流补给量,(,万,m,3,),；,农田灌溉回渗补给量,(,万,m,3,),；,渠系渗漏补给量,(,万,m,3,),；,地下水开采量,(,万,m,3,),；,地下水侧向径流排泄量,(,万,m,3,),；,地下水潜水蒸发损失量,(,万,m,3,),；,计算时段,(,a,),；,相应,时段内地下水位变化值,（,m,）；,补给、排泄均衡差,(,万,m,3,),。,F,计算区面积,(,km,2,),；,地下水位变动带重力给水度；,补给、排泄均衡差,(,万,m,3,),。,或,表,1,水质常规指标及限值,指 标,限 值,1,、微生物指标,总大肠菌群（,MPN/100mL,或,CFU/100mL,）,不得检出,菌落总数（,CFU/mL,）,100,2,、毒理指标,砷（,mg/L,）,0.01,镉（,mg/L,）,0.005,铬（六价，,mg/L,）,0.05,铅（,mg/L,）,0.01,汞（,mg/L,）,0.001,硒（,mg/L,）,0.01,氰化物（,mg/L,）,0.05,氟化物（,mg/L,）,1.0,硝酸盐（以,N,计，,mg/L,）,10,，地下水源限制时为,20,表,1,水质常规指标及限值,指 标,限 值,3,、感官性状和一般化学指标,色度（铂钴色度单位）,15,浑浊度（,NTU-,散射浊度单位）,1,，水源与净水技术条件限制时为,3,臭和味,无异臭、异味,肉眼可见物,无,pH,（,pH,单位）,不小于,6.5,且不大于,8.5,铝（,mg/L,）,0.2,铁（,mg/L,）,0.3,锰（,mg/L,）,0.1,铜（,mg/L,）,1.0,锌（,mg/L,）,1.0,氯化物（,mg/L,）,250,硫酸盐（,mg/L,）,250,溶解性总固体（,mg/L,）,1000,总硬度,(,以,CaCO,3,计，,mg/L,）,450,耗氧量（,COD,Mn,法，以,O,2,计mg/L,）,3,，水源限制，原水耗氧量,6mg/L,时为,5,挥发酚类（以苯酚计，,mg/L,）,0.002,阴离子合成洗涤剂（,mg/L,）,0.3,4,、放射性指标,指导值,总,放射性（,Bq/L,）,0.5,总,放射性（,Bq/L,）,1,表,2,农村小型集中式供水和分散式供水部分水质指标及限值,指 标,限 值,1,、微生物指标,菌落总数（,CFU/mL,）,500,2,、毒理指标,砷（,mg/L,）,0.05,氟化物（,mg/L,）,1.2,硝酸盐（以,N,计，,mg/L,）,20,3,、感官性状和一般化学指标,色度（铂钴色度单位）,20,浑浊度（,NTU-,散射浊度单位）,3,水源与净水技术条件限制时为,5,pH,（,pH,单位）,不小于,6.5,且不大于,9.5,溶解性总固体（,mg/L,）,1500,总硬度,(,以,CaCO,3,计，,mg/L),550,耗氧量（,COD,Mn,法，以,O,2,计，,mg/L,）,5,铁（,mg/L,）,0.5,锰（,mg/L,）,0.3,氯化物（,mg/L,）,300,硫酸盐（,mg/L,）,300,