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The Recharge Zone Podcast

by Edwards Aquifer Authority

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 approximately two-and-one-half million South Central Texans, 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.

From the show's RSS feed, refreshed Jun 27, 2026. Source feed.

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Episodes

  1. Season 7, Episode 3 | A Mission That Stands the Test of Time with EAA GM Roland Ruiz

    30 years, 1 aquifer, and 3 pillars to the Edwards Aquifer Authority (EAA) mission - Manage, Enhance, and Protect the Edwards Aquifer. On this episode we celebrate where the agency has been and where it is going with EAA General Manager Roland Ruiz. Tune in as hosts Brent and Ann-Margaret recount...

  2. Season 7, Episode 2 | The Edwards Aquifer Conservancy

    Hosts Brent and Ann-Margaret welcome Sara Beesley, Edwards Aquifer Authority (EAA) Chief Development Officer and Executive Director for the Edwards Aquifer Conservancy (EAC), as she shares insights about her new role and gives an overview of the EAC's nonprofit work and initiatives. For over the...

  3. Season 7, Episode 1 | Aquifer Chat: Facts, Myths, and Everything in Between

    Welcome back to another season of the Recharge Zone Podcast! Hosts Brent, Logan, and Ann-Margaret gather together to discuss aquifer facts, myths, and everything in between. Listen along as they shed light on the fascinating characteristics of the Edwards Aquifer!

  4. Season 6, Episode 6 | The Fundamentals of Hydrogeology with Jack Sharp

    Explore the fundamentals of hydrogeology with EAA Principal Geoscientist, Logan Schmidt, as he discusses the world of groundwater with world renowned hydrogeologist Dr. John "Jack" M. Sharp. Dr. Sharp, professor emeritus in Geology at the University of Texas at Austin, is internationally…

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  5. Season 6, Episode 5 | The Science Behind Aquifer Sustainability

    The Edwards Aquifer Authority Field Research Park (EAA FRP) is a hub for groundwater-related sustainability and aquifer behavior research where EAA staff are demonstrating and evaluating various land management practices and their potential effects on aquifer sustainability. The hypothesis…

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  6. Season 6, Episode 4 | What do caves teach us about the Edwards Aquifer?

    EAA Principal Geoscientist, Logan Schmidt, sat down with Dr. George Veni, Karst hydrogeologist, to discuss the cave features of the Edwards Aquifer that are mostly unseen and how hydrogeologists that study these caves gain insight into how the aquifer system works.

  7. Season 6, Episode 3 | Past, Present, Future - 29 Years of Managing, Enhancing, and Protecting the Edwards Aquifer

    Over the past decade, EAA General Manager Roland Ruiz has seen many initiatives come to fruition as imagination, innovation, and inclusion have been at the forefront of growing the agency into what it is today. Tune in as Roland reflects on where the agency has been and where it is going with…

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  8. Season 6, Episode 2 | Amazing Edwards Aquifer Facts

    Paul Bertetti, EAA Senior Director Aquifer Science Research & Modeling, sat down with hosts Brent and Ann-Margaret to discuss amazing facts you might not know about the Edwards Aquifer!

  9. Season 6, Episode 1 | Edwards Aquifer Ecology

    On this episode, Brent and Ashley, our guest co-host, discuss the importance of ecology with EAA's Jewell Cozort and Casey Cowan. Jewell and Casey share their knowledge of ecology, and how the interactions between organisms and their environment take shape within the Edwards Aquifer System.

  10. Season 5, Episode 6 | 2024 Reflections

    Listen along to Brent and Ann-Margaret as they close out the year with an episode all about the EAA's 2024 highlights. The new year will bring impactful initiatives for our agency as we continue to carry out our mission of managing, enhancing, and protecting the Edwards Aquifer!

  11. Season 5, Episode 5 | The EAA Rebranded

    On this historic episode, hosts Brent and Ann-Margaret sit down with Edwards Aquifer Authority (EAA) General Manager, Roland Ruiz; EAA Executive Director for Communications and Development, Michael De La Garza; and EAA Creative Manager for Communications and Development, Ed Flores, as they share...

  12. Season 5, Episode 4 | Agriculture Out West

    On this episode, hosts Ann-Margaret and Brent catch up with Isabel Martinez, EAA Senior Permit and Conservation Coordinator, as she discusses the importance of agriculture out West and the EAA's Groundwater Conservation Grant Program.

  13. Season 5, Episode 3 | 28 years of Managing, Enhancing, and Protecting the Edwards Aquifer

    EAA General Manager Roland Ruiz met with hosts Brent and Ann-Margaret, earlier this month, to discuss aquifer conditions, managing through drought, and the evolution of the agency that has occurred over the past 28 years.

  14. Season 5, Episode 2 | Highway to the Vadose Zone

    The vadose zone, also known as the unsaturated zone, is a critical part of the research happening at the EAA Field Research Park (EAA FRP), and Logan Schmidt, EAA Senior Modeler, joins us on this episode to discuss this intriguing piece of the aquifer system. From defining what the unsaturated…

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  15. Season 5, Episode 1 | FRP Well Network

    Monitoring groundwater quality and quantity has always been an important aspect of the Edwards Aquifer Authority's (EAA) mission and core value of science-based policy. The addition of the EAA's Field Research Park (FRP) property in 2019 provided a unique opportunity to closely study the behavior...

  16. Season 4, Episode 5 | The Edwards Aquifer Summit

    The inaugural Edwards Aquifer Summit was held this past October, and featured informative presentations from EAA General Manager Roland Ruiz, EAA Deputy General Manager Marc Friberg, EAA Executive Director of Aquifer Management Services Mark Hamilton, and EAA Executive Director for Threatened and...

  17. Season 4, Episode 4 | The Internship Experience

    The EAA has provided internship opportunities for a wide range of fields, from science to communications, and over the years many students have worked alongside EAA staff to gain enriching experiences that have set the foundation for their careers. Tune in to this episode, where hosts…

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  18. Season 4, Episode 3 | Precipitation Enhancement Program

    For the past 20 years the EAA has taken a proactive approach to making rain clouds more productive by partnering with the Evergreen Underground Water Conservation District (UWCD) to perform cloud seeding operations. This initiative at our agency is known as the Precipitation Enhancement Program....

  19. Season 4, Episode 2 | The Meadows Center with Robert Mace

    On this episode of the Recharge Zone Podcast, hosts Ann-Margaret and Brent hit the road to interview Robert Mace in San Marcos, TX aboard a glass bottom boat! Learn about the The Meadows Center for Water and the Environment, the threatened and endangered species that live in the Edwards Aquifer,...

  20. Season 4, Episode 1 | The EAA Act

    On this episode, Ann-Margaret and Brent visit with Darcy Frownfelter, EAA's longtime general counsel. Darcy discusses how the EAA came into existence through the EAA Act as well as some highlights of his career so far. The EAA Act created the Edwards Aquifer Authority (EAA) as a groundwater...

  21. Season 3, Episode 12 | Reflecting on 2022

    This season on the Recharge Zone Podcast brought a lot of great guests talking about the Edwards Aquifer and the work of our agency. From our GM Roland Ruiz's discussion on drought management to the last episode where hosts Ann-Margaret and Brent welcomed Brock Curry to discuss his 26 year career...

  22. Season 3, Episode 11 | Cheers to Brock's EAA Career

    Brock Curry EAA Deputy General Manager has had a memorable 26-year career at the EAA, from being one of the first employees hired at the agency to seeing the evolution of the EAA as a groundwater conservation district! Hosts Ann-Margaret and Brent sit down with Brock to reminisce on highlights,...

  23. Season 3, Episode 10 | Drones, Drilling, and Boreholes

    Research on the recharge zone has continued at the EAA Field Research Park in a big way this season with LiDAR drone surveys conducted by a PhD student from the University of Texas to help identify landform changes over time, EAA Scientists working with graduate students from the University of...

  24. Season 3, Episode 9 | Sampling Stories

    On this episode, hosts Ann-Margaret and Brent are joined by EAA Senior Hydrogeologist Dr. Gizelle Luevano. She's conducted countless water quality samplings, from wells, rivers, and springs. Hear her field stories and how water quality sampling technology has evolved over the years as she's...

  25. Season 3, Episode 8 | ET - Not the Alien

    ET, in this case evapotranspiration, is the elusive process by which water moves from earth's surface into the atmosphere, and hosts Brent and Ann-Margaret discussed this with EAA's Principal Geoscientist Marcus Gary. Learn about eddy covariance towers, and how they play an important role in...

  26. Season 3, Episode 7 | Drought Management

    As this region is in the middle of a drought, hosts Brent and Ann-Margaret sit down with EAA General Manager Roland Ruiz to discuss drought management at the EAA. This episode includes a discussion about critical period management, aquifer conditions, and revisit the EAA's recently implemented...

  27. Season 3, Episode 6 | Soil Matters

    Learn about the latest happenings at the EAA Field Research Park as hosts Ann-Margaret and Brent interview Thomas Marsalia and Matthew Rogers from the EAA Aquifer Sustainability Team. This episode is all about the implementation of land management techniques to slow and spread the infiltration of...

  28. Season 3, Episode 5 | The EAHCP Celebrates 10 Years of Protecting Species and Spring Ecosystems - Part 2

    This episode is part 2 of the previous episode, where hosts Ann-Margaret and Brent interview Melani Howard with the City of San Marcos and Mark Enders with the City of New Braunfels to discuss the successes of the EAHCP as they relate to the threatened and endangered species, the rivers, and...

  29. Season 3, Episode 4 | The EAHCP Celebrates 10 Years of Protecting Species and Spring Ecosystems – Part 1

    Hosts Ann-Margaret and Brent sit down with Scott Storment, EAA Executive Director for Threatened and Endangered Species, as he discusses the Edwards Aquifer Habitat Conservation Plan from his perspective as the manager of the program. Tune in to learn about the programmatic aspects of the EAHCP,...

  30. Season 3, Episode 3 | The First Aquifer Education Center on the Edwards Aquifer Recharge Zone

    Hosts Ann-Margaret and Brent welcome back Sarah Valdez, EAA Senior STEAM Outreach Educator, and welcome Mike De La Garza, EAA Executive Director for Communications and Development, to discuss the highly anticipated EAA Education Outreach Center (EAA EOC). Mike and Sarah walk us through the...

  31. Season 3, Episode 2 | The Evolution of Regulation at the EAA - Forging a Path of Regulation Through Service

    The EAA officially began as regulatory agency back in 1996, and the regulatory programs that relate to groundwater production and protection are crucial to the overall mission of the EAA. Tune in to this episode as hosts Brent and Ann-Margaret interview EAA Executive Director for External and...

  32. Season 3, Episode 1 | Looking Ahead In 2022 with General Manager Roland Ruiz

    In this episode, hosts Ann-Margaret and Brent welcome back EAA GM Roland Ruiz to recap all the progress the agency made in 2021 and get his perspective on the Next Generation and Beyond strategic plan as he celebrates 10 years of being the General Manager for the EAA. From the highly anticipated...

  33. Season 2, Episode 12 | State of the Edwards Aquifer

    For our final episode this season, and last one for 2021, we wanted to look at how the Edwards Aquifer conditions are doing this year compared to previous years, in a segment we're calling the State of the Aquifer with EAA Director of Aquifer Science, Paul Bertetti.

  34. Season 2, Episode 11 | Fact or Fiction: Aquifer Edition

    Learn about some myths and impressive facts about the Edwards Aquifer as hosts Ann-Margaret and Brent discuss what is fact or fiction when it comes to information they've heard over the years while working at the EAA.

  35. Season 2, Episode 10 | Aquifer Science Visualized

    What is GIS and how is it used at the EAA? On this episode, hosts Brent and Ann-Margaret discuss the realm of Geographic Information Systems, aka GIS, with Taylor Bruecher, EAA Hydrologic Coordinator. Find out how we display data for the public so they can view it, identify patterns to answer...

  36. Season 2, Episode 9 | Quality Data Reigns Supreme

    Why is collecting environmental data about the Edwards Aquifer important and how is it stored? On this episode Bryan Anderson, EAA Data Management Director, discusses with hosts Brent and Ann-Margaret the continuous data collected by the EAA Data Management Department. This department oversees…

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  37. Season 2, Episode 8 | EAA's Plan to Advance Aquifer Education at its Anticipated Education Outreach Center (EOC)

    On this episode hosts Ann-Margaret and Brent interview Sarah Valdez, EAA STEAM Outreach Educator, about the EAA Education Outreach Center located at Morgan's Wonderland Camp. Tune in as she discusses the one of a kind exhibits that will go in the 3,500 square foot space, which will feature unique...

  38. Season 2, Episode 7 | A Well Told Story About Groundwater Protection

    On this episode hosts Ann-Margaret and Brent interview Mariah Bonham, Groundwater Protection Coordinator, regarding the groundwater protection initiatives at the EAA – ranging from the importance of well registration to historic records serving as a tool for finding abandoned wells throughout the...

  39. Season 2, Episode 6 | A 25-year EAA perspective: Luana Buckner and Carol Patterson

    We've officially made it to the anniversary month that launched the EAA into existence back on June 28, 1996, and on this episode hosts Ann-Margaret and Brent have two very special guests that have held longstanding positions on the EAA board since the EAA began operations, EAA chairman Luana...

  40. Season 2, Episode 5 | I.Y.C.K. Animal of the Year – Cave Beetles

    As you all may know by now this year is International Year of Caves and Karst, and the 'cave beetle' has been designated as animal of the year. Hosts Ann-Margaret and Brent discuss two endangered beetle species with Edwards Aquifer Habitat Conservation Plan (EAHCP) Department's Kristy Kollaus…

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  41. Season 2, Episode 4 | Celebrating the International Year of Caves, Karst, and the Edwards Aquifer

    On this episode, hosts Ann-Margaret and Brent speak with Paul Bertetti, EAA Director of Aquifer Science, about characteristics of karst and how it relates to the Edwards Aquifer. Also, Paul provides an overview of how the aquifer recharges and discharges, and how the index wells in Bexar County…

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  42. Season 2, Episode 3 | Regulation Through Service - A Community Approach to Aquifer Stewardship

    On this episode, hosts Ann-Margaret and Brent speak with Earl Parker, EAA Director of Regulatory Affairs, about aquifer management and protection programs where the general principles outlined in the EAA Act were the catalyst for key regulatory programs, groundwater withdrawal management, water...

  43. Season 2, Episode 2 |Will berm and swales be winning water retention practices on the Recharge Zone?

    Hosts Brent Doty and Ann-Margaret Gonzalez speak with EAA Executive Director of Aquifer Management Services, Mark Hamilton, about long-term research for groundwater systems, surface water systems, and soil and land management practices out at the 151-acre EAA Field Research Park located in the...

  44. Season 2, Episode 1 | What's in store for the EAA?

    Hosts Brent Doty and Ann-Margaret Gonzalez speak with EAA General Manager, Roland Ruiz, as he further expands on the Next Generation initiative as a way to broaden the EAA's opportunity to partner and collaborate, discusses a land management demonstration site that is underway at the EAA Field...

  45. Episode 5 | What exactly is aquifer modeling?

    On this episode, hosts Brent Doty and Ann-Margaret Gonzalez speak with Jim Winterle, EAA Director for Modeling, about aquifer modeling in which water well pumping and aquifer recharge data collected from over the past 80 years is used to simulate outputs like the springflows at Comal and San…

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  46. Epsiode 4 | Catfish, Salamanders, Amphipods, oh my!

    Did you know? The underwater world of the Edwards Aquifer has predator species, some endangered, that dwell in the dark depths that are found nowhere else in the world? Also, discover the innovative way the Edwards Aquifer Habitat Conservation Plan is reducing the presence of the invasive…

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  47. Episode 3 | Reflecting on the EAPP and The EAA's Next Generation Legacy Initiative

    On this episode of the Recharge Zone Podcast hosts Ann-Margaret Gonzalez and Brent Doty speak with Thomas Marsalia, EAA Aquifer Protection Supervisor, to reflect on the successes of the Edwards Aquifer Protection Program (EAPP) and how the EAA will continue to serve the program. Also, EAA General...

  48. Episode 2 | ASR, not to be confused with ASMR

    Aquifer Storage and Recovery, aka ASR, is a water resource management technique for storing or injecting water underground for recovery in the future – typically during dry periods. In this episode our podcast hosts Ann-Margaret and Brent discuss the topic of ASR with Jenny Adkins-Schudrowitz…

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  49. Episode 1 | What is the Edwards Aquifer System?

    In Episode 1 Ann-Margaret and Brent breakdown the facts about the Edwards Aquifer System referencing Maddy's interviews from attendees that visited our EAA booth at the San Antonio Stock Show and Rodeo this past February.

About this show

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 approximately two-and-one-half million South Central Texans, 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.

Hosted by

Edwards Aquifer Authority

Produced by The Edwards Aquifer Authority

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Frequently asked questions

How many episodes does The Recharge Zone Podcast have?

The Recharge Zone Podcast has 49 episodes on PodParley. The most recent episode was published on June 26, 2026.

What is The Recharge Zone Podcast about?

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 approximately two-and-one-half million South Central...

How often does The Recharge Zone Podcast release new episodes?

The Recharge Zone Podcast publishes about every 47 days, based on its 49 episodes since April 2020.

Who hosts The Recharge Zone Podcast?

The Recharge Zone Podcast is created and hosted by Edwards Aquifer Authority.
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