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Nanning City, the main sources of river pollution of drinking water sources

Drinking Water Source Protection Yongjiang, to protect people's drinking water safety as a top priority to environmental protection to adopt the most stringent measures to protect drinking water sources. Drinking water source protection area prohibits the establishment of a sewage outfall, dumping garbage and other waste, transportation, toxic and hazardous substances, the use of high pesticide residue, excessive use of fertilizers, aquaculture, water quality impact on the tour and other economic activities. Quasi-one drinking water source protection zones prohibit new outfall, off, stop, transformation of the threat of drinking water sources are contaminated sewage outfall enterprises and institutions, all the existing sewage outfall off period. Wei Jiang,jordan shoes, and can benefit the heart River Basin Environmental Rehabilitation Project began in July 2006 investment in renovation, including river training 7.1krn, construction of sewage collection pipe network 54km,uggs kopen, rainwater drainage 58km, and the replenishment and ecological restoration projects, planning in 2010 year ago,ugg boots, in order to achieve rain and sewage diversion. Wei Jiang heart sewage ditch plan to achieve zero discharge of sewage by 2010. Most of the city's new waste and sewage will be diverted to the south through the Sewer sewage treatment plant, after disposal into the Yongjiang River, which discharged into the drinking water source protection area Yongjiang life, industrial waste water pollutants emissions will be reduced year by year until 2010 to achieve zero emissions. Establish and improve the safety of drinking water quality in Nanning City early warning system of regular monitoring of water quality to release information. Attaches great importance to drinking water sources of toxic and hazardous pollutants control and improve drinking water safety and health standards to protect health and safety of drinking water sources, the source of centralized drinking water at least once a year of toxic and harmful pollutants analysis and monitoring, which will effectively ensure Yongjiang the water supply safe drinking water sources. Source of pollution for the Nanning market, \reasonable use of chemical fertilizers, and actively develop ecological agriculture, and development of insect pest control, pest control and other biological control fungus diseases and insect pests to technology, to minimize the pesticides, fertilizers (including agricultural runoff) on water pollution. At the same time warning through environmental education, environmental protection hearing, the special law enforcement actions, environmental information and other activities to enhance the community and the public take the initiative to actively participate in environmental awareness. According to the Office of Guangxi Zhuang Autonomous Region of the sewage water analysis of Population Census of 2000 to-2005 Nanning Yongjiang the main source of drinking water into the river water quality status and future sources of emissions shown in Table 3. Table 3 of Nanning City Yongjiang the main source of drinking water into the river water quality status and future sources of emissions statistics we can see from Table 3 a: 2003 compared to 2000, indicators of chemical oxygen demand and ammonia emissions have increased large, this is because as the city of Nanning to speed up the process, to increasing urban population Et, into the municipal sewage outfalls continue to increase, coupled with the second creek waste water before being cut in 2003, diverted to the sun River, resulting in the sewage discharged into the river channel, Chaoyang wastewater is greatly increased. 2005 compared to 2003, indicators of chemical oxygen demand and ammonia emissions have been greatly reduced, which is due to Ling iron water intake at the end of 2003 will move up after the second creek and river discharge into the sun's source of drinking water waste water volume is zero, has not affected the water quality of drinking water sources. Wei Jiang sewage ditch but the heart of chemical oxygen demand and ammonia emissions targets have increased, this is because as the Lake District and high-tech development zone Acacia and other regional development,timberland boots, the growing urban population Yongjiang upstream, into the municipal sewage increasing sewage population, leading to heart Wei Jiang, increasing the amount of waste water sewage ditch due. Of Nanning City Yongjiang the main source of drinking water into the river water quality status and future sources of emissions statistics shown in Table 3. 3 Conclusion of Nanning City with drinking water source area for the inner Wei Jiang and Li River Valley can be ongoing implementation of comprehensive environmental engineering, high-tech eco-agricultural technology promotion and point source? Increasing the degree of loss of dye treatment, 2010 , of Nanning City, the main source of drinking water Yongjiang river pollution remediation will be complete, non-point source pollution will be effectively controlled, the water quality conditions will Yongjiang positive direction, people will be drinking water safety reliable protection.
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