地下水分类标准

表1 地下水质量分类指标 类别 项目序号 项目 标准值 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 色(度) 嗅和味 浑浊度(度) 肉眼可见物 pH 总硬度(以CaCO3,计)(mg/L) 溶解性总固体(mg/L) 硫酸盐(mg/L) 氯化物(mg/L) 铁(Fe)(mg/L) 锰(Mn)(mg/L) 铜(Cu)(mg/L) 锌(Zn)(mg/L) 钼(Mo)(mg/L) 钴(Co)(mg/L) 挥发性酚类(以苯酚计)(mg/L) 阴离子合成洗涤剂(mg/L) 高锰酸盐指数(mg/L) 盐(以N计)(mg/L) 亚盐(以N计)(mg/L) 氨氮(NH4)(mg/L) 氟化物(mg/L) 碘化物(mg/L) 氰化物(mg/L) 汞(Hg)(mg/L) 砷(As)(mg/L) 硒(Se)(mg/L) 镉(Cd)(mg/L) 铬(六价)(Cr)(mg/L) 6+Ⅰ类 ≤5 无 ≤3 无 ≤150 ≤300 ≤50 ≤50 ≤0.1 ≤0.05 ≤0.01 ≤0.05 Ⅱ类 ≤5 无 ≤3 无 6.5～8.5 ≤300 ≤500 ≤150 ≤150 ≤0.2 ≤0.05 ≤0.05 ≤0.5 Ⅲ类 ≤15 无 ≤3 无 ≤450 ≤1000 ≤250 ≤250 ≤0.3 ≤0.1 ≤1.0 ≤1.0 ≤0.1 Ⅳ类 ≤25 无 ≤10 无 ≤550 ≤2000 ≤350 ≤350 ≤1.5 ≤1.0 ≤1.5 ≤5.0 ≤0.5 ≤1.0 ≤0.01 ≤0.3 ≤10 ≤30 ≤0.1 ≤0.5 ≤2.0 ≤1.0 ≤0.1 ≤0.001 ≤0.05 ≤0.1 ≤0.01 ≤0.1 ≤0.1 ≤0.001 ≤4.0 ≤0.1 ≤1.0 ≤5.0 Ⅴ类 >25 有 >10 有 >550 >2000 >350 >350 >1.5 >1.0 >1.5 >5.0 >0.5 >1.0 >0.01 >0.3 >10 >30 >0.1 >0.5 >2.0 >1.0 >0.1 >0.001 >0.05 >0.1 >0.01 >0.1 >0.1 >0.001 >4.0 >0.1 >1.0 >5.0 5.5～6.5, 8.5～9 <5.5，>9 ≤0.001 ≤0.01 ≤0.005 ≤0.05 ≤0.05 ≤0.001 ≤0.001 ≤0.002 不得检出 ≤0.1 ≤1.0 ≤2.0 ≤0.02 ≤1.0 ≤0.1 ≤2.0 ≤5.0 ≤0.02 ≤1.0 ≤0.1 ≤0.3 ≤3.0 ≤20 ≤0.2 ≤1.0 ≤0.2 ≤0.001 ≤0.01 ≤0.02 ≤0.001 ≤0.01 ≤0.05 ≤0.00005 ≤0.0005 ≤0.001 ≤0.005 ≤0.01 ≤0.05 ≤0.01 ≤0.01 ≤0.01 ≤0.0001 ≤0.001 ≤0.01 ≤0.005 ≤0.01 ≤0.05 ≤0.005 ≤0.01 ≤0.05 ≤0.00002 ≤0.0001 ≤0.0002 铅(Pb)(mg/L) 铍(Be)(mg/L) 钡(Ba)(mg/L) 镍(Ni)(mg/L) 滴滴滴(μg/L) 六六六(μg/L) ≤0.01 ≤0.1 ≤1.0 ≤0.005 ≤0.05 ≤0.05 不得检出 ≤0.005 ≤1.0 ≤0.005 ≤0.05 ≤5.0 36 37 38 39 总大肠菌群(个/L) 细菌总数(个/L) 总σ放射性(Bq/L) 总β放射性(Bq/L) ≤3.0 ≤100 ≤0.1 ≤0.1 ≤3.0 ≤100 ≤0.1 ≤1.0 ≤3.0 ≤100 ≤0.1 ≤1.0 ≤100 ≤1000 >0.1 >1.0 >100 >1000 >0.1 >1.0