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