In USGS’s web page on Groundwater depletion:

The chart below shows monthly-mean water levels from 1964 to 2003 for a well in Cook County, sourthwest Georgia. The well is used for irrigation and public- supply purposes and offers a good visual representation of long-term groundwat er declines due to excessive pumping. [d]—data for the chart is available.

West-central Florida— Continue reading →