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兴建水库85000余座,总库容4924亿m~3,兴建水闸31742座;整修新堤防26万km,海堤7900km,建设蓄滞洪区3.45万km~2,总蓄水量970.7亿m~3;建设万亩以上灌区5611处,全国有效灌溉面积0.533亿km~2,节水灌溉面积0.152亿km~2,打机井372万眼,井灌面积0.147亿km~2;累计治理水土流失面积78万km~2;水利工程年供水能力5800亿m~3,1999年实际供水量5470亿m~3,总用水量5435
More than 85,000 reservoirs have been built, with a total storage capacity of 492.4 billion m 3; 31,742 sluices have been built; a new embankment has been refurbished by 260,000 km with a seawall of 7900 km; a storage and detention basin has 34,500 km 2; a total storage volume of 97.07 billion m 3; There were 5,611 irrigation areas above 50,000 mu, with an effective irrigation area of 0.533 billion km ~ 2, water-saving irrigated area of 0.152 billion km ~ 2, drilling wells of 3.72 million and well irrigation area of 0.147 billion km ~ 2. The accumulated area for soil and water erosion control was 780,000 km ~ 2; annual water supply capacity of water conservancy projects 580 billion m ~ 3, in 1999 the actual water supply 547 billion m ~ 3, the total water 5435