There have been many stories about this through the years to lend credence to this one.
The implications of this activity accelerates the sinking state of Bangkok, as it is a low lying city built on the banks of the Chaophraya river. Experts have estimated that due to rising sea levels, parts of Bangkok may be submerged by 2030. Posted 7 years ago... http://www.thailand-real-estate-law-center.com/thailand-real-estate-attorney/bangkoks-massage-parlors-stealing-city-groundwater/
It said the committee found it would make more sense to build a strong system around Bangkok, which is thought to be sinking, and surrounding provinces, to protect them.
https://www.bangkokpost.com/thailand/politics/2957518/sea-barrier-better-than-relocating-thailands-capital.