Soils excavated from below the groundwater table require dewatering prior to treatment because of high moisture content.

First all the peat down to the groundwater table was dug away.

The groundwater table of the North China Plain is dropping by 1.5 m (5 ft) per year.

This groundwater table occurs in the region of China that produces 40% of the country's grain.

Also all soil nails within a cross section should be located above the groundwater table.

The groundwater table has declined; in one well it declined by 40 meters between 1958 and 1996.

SVE is generally not appropriate for sites with a groundwater table located less than 3 feet below the land surface.

However, as seen in the figure, the act of pumping draws down the free surface of the groundwater table, and can affect a large region.

Another, more conservative, strategy was to plant crops only in areas with reliable springs and groundwater tables.

The groundwater table under Beijing has been declining for decades, forming a depression cone with a size of more than 1,000 square kilometers.