2.5

million

Texans served across eight Texas counties

90,000

gallons of rainwater collected at EAA headquarters in 2024

1,940

permit holders help us manage this vital resource

10,000

students have enjoyed free field trips to the EAA EOC

2,000

native plants given free to residents in Oct 2024

Our Purpose Runs Deep

The Edwards Aquifer is more than a water source — it’s a living story that connects our past, present and future. It’s the reason settlers came to this area, and it’s the lifeblood of our growth. Our aquifer is a resource we can study and learn from. It’s an incredible wonder, and it’s why we’re here.

Tap into the latest
research here at the EAA

The Edwards Aquifer Authority’s Environmental Data Portal is your gateway to today’s research, insights, and discoveries driving sustainability and innovation for the region.

A big thank you to Bill Taylor or from KENS 5 & Kens5.com for this week’s weather report! While we’re bundling up for these cooler temps now, get ready, warmer weather is just around the corner.

Stay cozy, With little to no rain in the forecast, now is a great time to stay ...mindful of your water use and help protect our shared resource.💧💙

Stay cozy, stay informed, and stay water-wise!

👉 Visit the EAA EOC to learn different ways to conserve water and discover which native plants thrive in drought conditions. Book your visit at the link in our comments!

💧 Did You Know?

The Edwards Aquifer’s ability to collect and store water starts with its unique geology, and one of the most important features is Edwards limestone.

Across Central Texas, more than 1,250 square miles of this limestone is exposed right at the ground surface. ...This exposed area forms what’s known as the recharge zone, the critical region where rainwater can flow directly into cracks, caves, and channels in the rock, naturally refilling the aquifer below.

This process is what keeps the Edwards Aquifer thriving and makes it one of the most important groundwater resources in Central Texas, supporting communities, ecosystems, agriculture, and spring systems throughout the region.

Want to learn more about the geology, water science, and natural systems that keep our region flowing? 👉 Follow along for more facts about the largest groundwater resource in Central Texas.

Manage 💧 Enhance 💧 Protect

The life of an aquifer scientist looks different every single day at our agency!🥽

Behind every precise reading are early mornings working in the field and countless hours dedicated to research and analysis.💧🔬 Every research initiative, piece of data collected, and scientific ...discovery helps safeguard the aquifer for generations to come. 🌎💙

Manage💧Enhance💧Protect

Thank you for tuning in to our page and learning something new along the way! 🌟 Our staff will be spreading gratitude and thankfulness as we close for the Thanksgiving holiday on November 27 and 28. Happy Thanksgiving!

🌿✨ Kristina Tolman, EAA Senior Habitat Conservation Coordinator for the Threatened and Endangered Species Department, has called San Marcos home for the past 22 years and she loves getting to protect the place she cares about most. Kristina is excited to share the impactful work behind the ...Edwards Aquifer Habitat Conservation Plan (EAHCP), from the initiatives safeguarding your aquifer to the native aquatic/semi vegetation, and San Marcos Springs ecosystem. Protecting your aquifer means protecting the habitats these threatened and endangered species rely on.💧💚

And when you’re out enjoying these areas, be sure to look for and follow all EAHCP posted signage. Your actions play a crucial role in protecting these threatened and endangered species and their home!🐟 🦎

Manage💧Enhance💧Protect

EAA Paid Internship Opportunities for Spring 2026 Now Open – Apply Today!
We have internships available in the following EAA departments: Communications (at the EAA Education Outreach Center in San Antonio, TX), Groundwater Regulation, Finance, Modeling, Water Resources, and Edwards Aquifer ...Habitat Conservation Plan (all at our Downtown Main Office). All positions are 20 hours per week at $19.28 per hour.

📅 Application Deadline: December 5, 2025 at 4:30 PM CST

Visit the Careers page on our website for more information on each internship opportunity and to apply: https://www.governmentjobs.com/careers/edwardsaquifer

🦃🍁 Happy Thanksgiving week! Big thanks to Bill Taylor from KENS 5 & Kens5.com for the weather update. Cooler temperatures are on the way next week, with only a minimal chance of rain.
It's a great time to be thankful for the Edwards Aquifer and the life it brings to our region. ...As we celebrate, let’s continue caring for it in simple ways: run full loads of laundry, water plants only when needed, and be mindful of outdoor water use. Every small effort helps keep this vital resource strong for generations to come.💧💙