Hours of operation: Monday-Friday 8-5
Sample drop off: Monday-Thursday 8-5; Closed for lunch 12:00-1:15
For special arrangements please contact us at 512-245-2329.
Who we are
EARDC was established in 1979 with special funding for Texas State University to provide a public service in the study, understanding and use of the very fragile natural resource, the Edwards Aquifer.
Directory
The Edwards Aquifer Research and Data Center (EARDC) advances research, education, understanding of the Edwards Aquifer, and offers NELAP accredited services.
Field Days and Summer Camp Information
EARDC enriches learning through year-round Field Days and the summer Aquatic Science Adventure Camp (ASAC).
Support The Development Of The Minds Of Tomorrow
EARDC has two excellent programs you can help support: EARDC Aquatic Science Adventure Camp Support Fund or the EARDC Groundwater Research Excellence Fund.
DONATE TODAY!
Texas Groundwater Invertebrate Forum
Big Thanks to all that participated in this year's 2025 Forum. More information can be found at our website, click below. Access to talks and posters coming soon!
EARDC NEWSLETTER
"When the well's dry, we know the worth of water"
~ Benjamin Franklin
Edwards Aquifer Information and River Conditions
Quick glance of the Edwards Aquifer, a list of local endangered and threatened species, current aquifer and river conditions (Flow rates (ft3/sec, cfs)