The first half of 2016, the national surfacwater environment
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   17, the Chinese Ministry of Environmental Protection released the first half of 2016, the national environmental quality of surface water status display, Chinese environmental quality of surface water remained stable overall. In the top ten river basin, the Yangtze River, Pearl River Basin water quality is good, the Yellow River, Songhua River, Huaihe River is slightly polluted, moderately polluted Liaohe River, Haihe River Basin heavy pollution.

  

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   According to reports, the first half of 2016, the National Surface Water Quality remained stable overall. National Surface Water Quality monitoring network section 1940, in addition to non-interrupter 33 by monitoring section, the other section monitoring are carried out, wherein, 鈪?than Grade 54, accounting for 2.8%; 鈪?class 679, 35.6 %; class 鈪?579, accounting for 30.4%; class IV 296, accounting for 15.5%; 鈪?class 98, 5.1%; inferior class 鈪?201, 10.5%. Compared to the year 2015, the water quality, water quality was excellent in section ratio 68.8%, increased 2.8 percentage points; inferior class 鈪?section ratio increased 0.8 percentage points. The major pollutants were chemical oxygen demand, ammonia nitrogen and total phosphorus.

   monitoring shows that the top ten river basin, the river Zhejiang and Fujian Provinces, the Northwest River, Southwest river water quality is excellent, good water quality of the Yangtze River, Pearl River Basin, Yellow River, Songhua River, Huaihe River was slightly polluted Liaohe Basin moderate pollution, heavy pollution in Haihe River Basin. In ten basin, Grade 鈪?section accounted 2.6%, 鈪?category accounted for 39.2%, 鈪?category accounted for 30.4% type IV accounts for 12.1% 4.4% 鈪?class, inferior class 鈪?11.3%. Compared with the 2015 annual water quality, water quality section ratio increased by 3.2 percentage points, the proportion of inferior class 鈪?section increased by 1.4 percentage points. The major pollutants were chemical oxygen demand, ammonia nitrogen and total phosphorus.

   responsible person said, the first half of this year, 106 to carry out national nutrition status monitoring Lake (library), the nutrition of the poor 10, 76 in nutrition, slight eutrophication of 15, call Lake Huron, Lake, Xingyun, Qilu and Yilong five lakes moderate eutrophication. Key lakes Dianchi Lake water quality was average 鈪?class, an obvious improvement; Taihu Lake, Chaohu Lake in class 鈪? year on year improvement.

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