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Edwards Aquifer Research & Data Center (EARDC)

The Edwards Aquifer Research & Data Center (EARDC) Laboratory is accredited by the National Environmental Laboratory Accreditation Program (NELAP).  The accredited laboratory and research center is found within the College of Science & Engineering. EARDC takes an active role in water education, works with public schools as well as institutions of higher education.  The EARDC Laboratory has been providing water analysis services for a variety of chemical and biological constituents found in wells, springs, rivers, municipalities, and wastewater treatment facilities. 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.

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COVID-19 EARDC LAB Operational Hours

  Monday – Thursday 8 - 5 pm      Closed Friday

We are not accepting any wastewater or septic samples

For more information you can call: 512-245-2329 or 512-787-1582 (Joe)

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NOTE: Camps are full! You can contact us by email at or call 512-245-6176 to be put on a wait-list.