Page 43 - 2017年全国水利发展统计公报

IV郾 Water Resources Utilization and Protection

Water resources conditions郾 The total national water resources in 2017 was
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2876郾 12 billion m , 3郾 8% more than the normal years郾 Mean annual precipitation
was 664郾 8 mm that was 3郾 5% more than the normal years and 8郾 9% less than the
year before郾 By the end of 2017, total storage of 660 large and 3郯 547 medium鄄size
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reservoirs were 407郾 98 billion m , 8郾 26 billion m more than that in early 2017郾

Water supply capacity郾 In 2017, the newly鄄increased water supply capacity
reached 9郾 21 billion m 郾 By the end of 2017, the total water supply capacity in
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China reached 856郾 24 billion m , including 58郾 17 billion m of water supplied by
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utilities at county level, 233郾 78 billion m by reservoirs, 205郾 14 billion m by river鄄
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lake diversion schemes, 168郾 65 billion m by river鄄lake pumping stations, 138郾 52
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billion m by tube wells, 35郾 48 billion m by ponds, weirs and cellars, and 16郾 5
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billion m by unconventional water sources郾
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Water resources utilization郾 In 2017, the total water supply amounted to 604郾 34
billion m , among which 81郾 8% came from surface water, 16郾 8% from
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underground water and 1郾 4% from other water sources郾 The total water
consumption amounted to 604郾 34 billion m , of which domestic use amounted to
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83郾 81 billion m or 13郾 9% of the total; industrial use 127郾 7 billion m or 21郾 1% of
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the total; agricultural water use 376郾 64 billion m or 62郾 3% of the total; artificial
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recharge for environmental and ecological use 16郾 19 billion m or 2郾 7% of the
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total郾 Comparing to that of the year before, water consumption increased by 0郾 32
billion m , in which agricultural water use decreased by 0郾 16 billion m , industrial
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use decreased by 3郾 1 billion m , and domestic water use and environmental flow
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increased by 1郾 65 billion m and 1郾 93 billion m respectively郾 Water consumption
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per capita in 2017 was 436 m in average郾 The coefficient of effective irrigated
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