Places on the west central coast in Changhua and Yunlin Counties are subsiding several inches a year, and controls have been placed on underground water usage there.
彰化縣的伸港、線西、鹿港以及雲林縣的北港、四湖、口湖等地，也超抽地下水，造成地層每年下陷十多公分，並且已經被列為地下水的管制區。