Artesian water from the underground - Floridan aquifer, USA
The Floridan Aquifer is a portion of the principal artesian aquifer that extends into Florida and is composed of carbonate rock and located beneath the coastal regions of the Southeastern United States and is one of the world's most productive aquifers. It is under all of Florida as well as large parts of coastal Georgia and areas of coastal Alabama and South Carolina.
The principal artesian aquifer is the largest, oldest, and deepest aquifer in the southeastern U.S. Ranging over 100,000 square miles (260,000 km2), it underlies all of Florida and The Floridan portion developed millions of years ago during the late Paleocene to early Miocene periods, when Florida was underwater.
Groundwater in the Floridan aquifer is contained under pressure by a confining bed of impermeable sediments. When the water pressure is great enough, the groundwater breaks to the surface and a spring flows. Water temperature and flow from a Floridan spring is relatively constant.
In general, as the water flows through the Florida aquifer systems it matures. The water quality becomes more alkaline and the sulfate content increases as does the amount of dissolved solids. (Source: Wikipedia)
Freshwater Ecoregion of the World : #156 Florida Peninsula
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