Environmental problems that exacerbate water pollution

Take water pollution as an example.

In the past ten years, Jilin Songhua River pollution incident, Fujian Zijin Mining pollution incident, Guangxi chromium pollution incident, a large area of ​​Taihu Lake cyanobacteria outbreak, a large area of ​​Dianchi Lake cyanobacteria outbreak, one by one water pollution incident all touch the nerves of ordinary people, How to drink a healthy, safe, clean and good water, become the hot topic of the whole society.

The year 2013 just passed is another year of water pollution incidents.

First, in March, the incident that shocked the entire country in Shanghai's Huangpu River floating 10,000 dead pigs caused panic in Shanghai and the surrounding area. Henan Xinxiang appeared to use untreated paper-making wastewater to irrigate the wheat fields. Then there was another reporter who broke the news that part of Shandong Weifang Chemical enterprises and paper mills use high-pressure water wells to discharge sewage to the underground. In April, Dongjiang District, Kunming City, Yunnan Province also screened the milk river. The tailings water discharged by the local industrial and mining industries was directly injected into the rivers and polluted for many years. Water and soil pollution ...

In May 2013, according to a survey released by the State Environmental Protection Administration, the overall quality of shallow groundwater in the North China Plain was generally poor with almost no Class I groundwater; Class I-III groundwater, which can be directly consumed, only accounted for 22.2% Grade V groundwater available after treatment accounted for more than 56.55%. Due to serious groundwater pollution, villagers in Tianjin Zhai Zhuang Zi only drink 0.5 yuan per pot for the past three years for water supply, and the well water in the village is only used to wash the pot and wash clothes.

According to the "Land and Resources Bulletin" released by the Ministry of Land and Resources in June 2013, there are currently 4929 groundwater quality monitoring points in 198 municipalities and autonomous regions throughout the country, of which there are 1999 monitoring points in which the comprehensive evaluation of water quality is of poor quality and the water quality There are 826 monitoring points of very poor level. 40% of groundwater monitoring point of poor water quality, good grade water quality accounted for only 11.8%. Iron, manganese, fluoride, "three nitrogen" (nitrite nitrogen, nitrate nitrogen and ammonium nitrogen), total hardness, total dissolved solids, sulfate, chloride and other monitoring points are the main oversupply component, and individual monitoring points There are still heavy (class) metal project exceeded the standard.

Water pollution and frequent accidents have seriously threatened people's normal life and the continuous development of agriculture and industry.