J-17

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J-27

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EAA Underground Storage Tank Rules

Kyle Craig, EAA Recharge Zone Protection Supervisor, discusses the EAA Underground Storage Tank Rules.

EAA Environmental Data Portal

The Edwards Aquifer Authority (EAA) collects environmental data from several sites throughout the Edwards Aquifer region. In this video Bryan Anderson, EAA Director of Data Management, will walk you through some features and data offerings within the portal. Access the EAA Data Portal by visiting: https://data.edwardsaquifer.org/

Notice of Intent to Finish Out a Crop

Rule Changes in relation to Chapters 711 and 715 of the Edwards Aquifer Authority rules.

Water Conservation

EAA General Manager Roland Ruiz talks about how the Edwards Aquifer Authority implements drought management, and carries out the agency’s mission of managing, enhancing, and protecting the Edwards Aquifer for 2.5 million South Central Texans.

The Edwards Aquifer Authority

EAA General Manager Roland Ruiz talks about how the Edwards Aquifer Authority implements drought management, and carries out the agency’s mission of managing, enhancing, and protecting the Edwards Aquifer for 2.5 million South Central Texans.

EAA Drought Management

EAA General Manager Roland Ruiz talks about how the Edwards Aquifer Authority implements drought management, and carries out the agency’s mission of managing, enhancing, and protecting the Edwards Aquifer for 2.5 million South Central Texans.

EAA Critical Period Management Plan

EAA General Manager Roland Ruiz talks about how the Edwards Aquifer Authority implements drought management, and carries out the agency’s mission of managing, enhancing, and protecting the Edwards Aquifer for 2.5 million South Central Texans.

Drought Management Message from EAA GM Roland Ruiz

EAA General Manager Roland Ruiz talks about how the Edwards Aquifer Authority implements drought management, and carries out the agency’s mission of managing, enhancing, and protecting the Edwards Aquifer for 2.5 million South Central Texans.

The Recharge Zone Podcast | S4, E2 | The Meadows Center with Robert Mace

Hosts Ann-Margaret and Brent traveled to San Marcos, TX to the Meadows Center for Water and the Environment to interview Robert Mace about the San Marcos Springs and more! Dr. Mace is the Executive Director and Chief Water Policy Officer at The Meadows Center for Water and the Environment and a Professor of Practice in the Department of Geography and Environmental Science at Texas State University. Robert has over 30 years of experience in hydrology, hydrogeology, stakeholder processes, and water policy, mostly in Texas.

Bring Your Class or Group to the EOC – S.T.E.A.M Educational Experiences!

The EAA Education Outreach Center welcomes classes, school groups, students group, and more – for FREE! The center offers innovative, hands-on exhibits in science, technology, engineering, arts and mathematics. The center has resources for educators too, such as TEKS offerings and more! For more information, please visit www.eaaeoc.org or email us at eaaeoc@edwardsaquifer.org

Edwards Aquifer Conditions | J-17 Index Well

Learn about the J-17 Index Well for the San Antonio Pool, which is what the EAA uses to track aquifer conditions for Bexar and Medina as well as parts of Atascosa, Caldwell, Guadalupe, Comal, and Hays counties within the EAA jurisdiction. Additionally, the EAA monitors the Comal and San Marcos Springs springflows. Furthermore, the J-27 Index Well for the Uvalde Pool is what the EAA uses to monitor aquifer conditions for Uvalde county.

Edwards Aquifer 2D

Journey deep into the Edwards Aquifer to learn how our most precious resource supports over 2 million people. Be sure to schedule your FREE visit to our Education Outreach Center, which offers a variety of S.T.E.A.M interactive learning experiences for guests. For more information, please visit www.eaaeoc.org

What’s in store for the EAA in 2022?

Hear from Roland Ruiz, EAA General Manager, as he recaps 2021 and all that is on the horizon as we begin carrying out the next generation strategic plan of our agency this year.

Karst Learning Lab – Rain Gauge 2

Tune in to this episode of our Karst Learning Lab with Roxanne to learn how to make a rain gauge using supplies you have around your house.

It’s Salamander Saturday

Tune in with Kristy Kollaus, EAA Environmental Scientist, for the Edwards Aquifer Habitat Conservation Plan (EAHCP) as she discusses the threatened San Marcos Salamander and its unique characteristics.

The Falling Raindrop (ASL) by Neil Johnson & Joel Chin

Join in the adventures of a tiny raindrop as it learns to let go of fear and enjoy the ride! Presented in American Sign Language.

Karst Learning Lab (Home Edition): Seltzer Rockets

What do rockets have to do with the aquifer? It’s all about the fizz! See what happens when carbonate minerals react with acid.

EAA Karst Learning Lab: Limestone Testing

Join Sarah Valdez and Jon Cradit as they conduct a limestone testing activity that you can replicate in your classroom or at home!

Recharge

Splash into these rainy day facts. Take a minute to recharge as you learn about the Edwards Aquifer!

Mariah Bonham | Aquifer Access

Mariah Bonham, Groundwater Protection Coordinator, explains why finding abandoned wells is so important to protecting the Edwards Aquifer.

Roel Loera | Birds of a Feather

Roel Loera, Aquifer Protection Coordinator, as he explains how birds play a big part in land management over the Edwards Aquifer.

Isabel Martinez | Conserve + Protect

Join Isabel Martinez as she explains how conservation takes place in and around the Edwards Aquifer.

Thomas Marsalia | Exploring Ecosystems

Thomas Marsalia, EAA Aquifer Protection Supervisor, shares his knowledge about the EAA’s Easement Program.

Roger Andrade | All about the Edwards Aquifer

Roger Andrade, EAA Groundwater Protection Manager,  discusses some facts about the Edwards Aquifer system and groundwater protection.

Guardians of the Aquifer: Meet the Endangered Beetles

Watch the Comal Springs Riffle Beetle and the Comal Springs Dryopid Beetle move through their underwater habitat.

Jenny Adkins | Facts about the Edwards Aquifer and the Water Cycle

Jenny Adkins-Schudrowitz, EAA Hydrogeologist, discusses some facts about the Edwards Aquifer and the water cycle.

Olivia Ybarra | Facts about the Comal Springs Riffle Beetle

Olivia Ybarra, EAA Habitat Conservation Coordinator for the Edwards Aquifer Habitat Conservation Plan (EAHCP), discusses some facts about the Comal Springs Riffle Beetle.

Kristy Kollaus | Facts about the Texas Blind Salamander

Kristy Kollus, EAA Environmental Scientist for the Edwards Aquifer Habitat Conservation Plan (EAHCP), discusses some facts about the endangered, Texas Blind Salamander.

Ezell’s Cave and The Search for the Blind Monster!

This award winning documentary explores Ezell’s Cave and plunges down into its depths to the Edwards Aquifer in search of the first video footage of the rare Texas Blind Salamander in the wild.

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: 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.

EAA Field Research Park | 100th TexMesonet Weather Station for TWDB

Tune in as Bryan Anderson, EAA Director of Data Management, and Lauren Bos, TexMesonet Outreach Coordinator for the Texas Water Development Board, discuss the partnership and goals of The Texas Water Development Board’s 100th TexMesonet weather station at the EAA Field Research Park.