vietnamnet.vn_The Mekong Delta is sinking 2.5cm every year because of ground water extraction and unreasonable planning and constructions on the surface.

Farmers use underground water during dry season
The problem was discussed at a conference about sinking threat and solution for the Mekong Delta on March 21 in Can Tho City.
According to the results from Rise and Fall Project held by Can Tho University and Utrecht University in Netherlands, many rural lands have a subsidence rate of 10-20mm a year, this rate is 25mm in urban and industrial areas.