Overpumping groundwater for drinking water and irrigation has caused water levels to decline by tens of metres in many regions,forcing people to use low-quality water for drinking. 過(guò)度抽取地下水做為飲用水和用來(lái)灌溉在許多地區已經(jīng)使水位下降了幾十米,迫使人們使用質(zhì)量較差的水來(lái)做為飲水。