Videos - Edwards Aquifer Authority




EAA Updates with Roland



Drop Inside the Edwards Aquifer

“Drop Inside the Edwards Aquifer” and explore an unfamiliar world hidden deep beneath the earth’s surface as computer animation, video footage, and still photography reveal the mysteries of our fascinating aquifer system.



What does the EAA have in store for 2020?

EAA General Manager, Roland Ruiz, highlights some notable 2019 accomplishments, and offers a preview of an exciting 2020 agenda.



Edible Aquifer Activity

Genevieve and William make an aquifer in a cup to visually represent the Edwards Aquifer System.



EAA Karst Learning Lab: Aquifer Adventures

Sarah, John, and Tara take you on a mini aquifer adventure to learn how water travels through the Edwards Aquifer System.



2018, 2019 and beyond at the EAA | Roland Ruiz, EAA General Manager

Roland Ruiz, EAA General Manager, offers his perspective on the Edwards Aquifer Authority (EAA) as he reflects on how far the agency has come –  from the establishment of the EAA to the agency’s efforts and accomplishments in 2018 – and where the EAA is heading in 2019 and beyond.



How the Aquifer Works

Brent Doty, our Senior Education Coordinator, presents the Edwards Aquifer 3D Groundwater Model, plus features



Discovering the Edwards Aquifer: The Texas Blind Salamander

The Texas Blind Salamander is of considerable scientific interest due to its uniqueness─its only known habitat is the Edwards Aquifer in the San Marcos area. The Texas Blind Salamander is listed as endangered by USFWS and the Texas Parks & Wildlife Department.
Copyright: Lee Smith, TPWD.



Edwards Aquifer Sinkhole

Valdina Farms Sinkhole (also known as Seco Sinkhole). Located in western Medina County, Texas, within the Balcones Fault Zone and the recharge zone of the Edwards Aquifer. A sinkhole is a circular depression in a karst area―Seco Sinkhole measures 10 m diameter (entrance) by 44 m deep (vertical shaft).



Edwards Aquifer: Take One

A film about the Edwards Aquifer for high school students, produced by high school students. From Say Si Media Arts and the EAA.

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