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目的:为政府及时有效处置饮用水源污染提供科学数据,确保市民生活饮用水安全。方法:根据污染情况,对绵阳城区以涪江水为水源的3个市政供水公司及2个企业自来水厂的水源水、出厂水、末梢水和8个邻近涪江以地下水与1个以水库水为水源的水源水进行连续11 d的锰和氨氮含量监测,共检测水样624份。结果:3 d后出厂水、末梢水中锰、氨氮含量全部符合卫生标准,城区部分受影响区域正常使用自来水;3 d后涪江绵阳段氨氮含量正常,9 d后锰含量正常。结论:科学及时监测,确保了水源污染后城市供水安全,保证了市民饮用水安全和社会稳定。
Objectives: To provide scientific data for timely and effective government treatment of drinking water source pollution and ensure the safety of drinking water for citizens. Methods: According to the situation of pollution, three municipal water supply companies which sourced from Fujiang River in Mianyang urban area and the tap water, ex-factory water and peripheral water of two enterprises’ Water source water for 11 consecutive days of manganese and ammonia nitrogen monitoring, a total of 624 water samples were detected. Results: After 3 days, the contents of manganese and ammonia nitrogen in the peripheral water all met the hygienic standard, and tap water was normally used in some affected areas in the urban area. After 3 days, the ammonia nitrogen content in the Mianyang section of Fujiang River was normal, and the manganese content was normal after 9 days. Conclusion: Scientific and timely monitoring ensures the safety of urban water supply after water pollution and ensures the drinking water safety and social stability of citizens.