我国生活饮用水卫生标准

项　　目                                                             标　　准
感官性状                                                          
化学指标     色度                                                    色度不超过15度，并不得呈现其他异色
             浑浊度                                                  不超过3度，特殊情况不超过5度
             臭和味                                                  不得有异臭、异味
             肉眼可见物                                              不得含有
             ph                                                                                6.5-8.5
                   总硬度（以碳酸钙计）                                    450 mg/L
                   铁                                                      0.3 mg/L             
                   锰                                                      0.1 mg/L
                   铜                                                      1.0 mg/L
                   锌                                                      1.0 mg/L
                   挥发酚类（以苯酚计）                                    0.002 mg/L
                   阴离子合成洗涤剂                                        0.3 mg/L
                   硫酸盐                                                  250 mg/L
                   氯化物                                                  250 mg/L
                   溶解星总固体                                            1000 mg/L
毒理学指标
             氟化物                                                  1.0 mg/L
                   氰化物                                                  0.05 mg/L
                   砷                                                      0.05 mg/L
                   硒                                                      0.01 mg/L
                   汞                                                      0.001 mg/L
                   镉                                                      0.01 mg/L
                   铬（六价）                                              0.05 mg/L                                         
                   铅                                                      0.05 mg/L                     
                   银                                                      0.05 mg/L
                   硝酸盐（以氮计）                                        20 mg/L
                   氯仿                                                    60 μg/L
                   四氯化碳                                                3 μg/L 
                   苯并（a）芘                                             0.01 μg/L
                   滴滴涕                                                  1 μg/L
                   六六六                                                  5 μg/L
 细菌学指标
             细菌总数                                                100 个/mL
                   总大肠菌群                                              3 个/mL   
                   游离余氯                                                在与水接触30min后应不低于0.3mg/L。
                                                                     集中式给水除出厂水应符合上述要求外，
                                                                     管网末梢水不应低于0.05mg/L 
 

放射性指标
            总α放射性                                               0.1 Bq/L
                  总β放射性                                               1 Bq/L