Learning Zone
Recharge Zone
The part of the Edwards Aquifer with sinkholes and fractures where rainwater easily enters and refills the aquifer.
Contributing Zone
Also called the Drainage Zone, the watersheds in this area drain into streams or areas where water is quickly absorbed into the Edwards Aquifer.
Artesian Zone
The section of the Edwards Aquifer where the water pressure brings water to the surface naturally in springs and some wells.
Karst
A landscape, often made of limestone, that has characteristic landforms such as sinkholes and caves produced by dissolution of rock by water.
Well
A human-made hole in the ground, dug to pump out water.
Spring
A place where water flows from the aquifer to the surface.
Watch: Doc Edwards’ Amazing Aquifer Adventure Video (10.44 mins)
Tour the Edwards Aquifer with “Doc Edwards” and two students.
Watch: Tour the Inside of an Edwards Aquifer Well (2.39 mins)
This compilation video features various wells from the Edwards Aquifer system.

The Recharge Zone Podcast
The Recharge Zone Podcast is the official podcast for the Edwards Aquifer Authority (EAA), a regional water management agency, which protects the portion of the Balcones Fault Zone Edwards Aquifer – a jurisdictional area that provides water to over 2 million people, and covers more than 8,000 square miles across 8 counties! Tune in to charge up your knowledge on all things Edwards Aquifer from the EAA.
Listen:
Spotify | Soundcloud | Apple Podcasts | Amazon Music