National Groundwater Awareness Week: Protecting Your Hidden Resource

“When the well is dry, we know the worth of water.” — Benjamin Franklin

Posted on March 6, 2025 by Brianna Anzaldua

What is Groundwater?

National Groundwater Awareness Week is a time to recognize the importance of protecting and responsibly managing our groundwater resources. Groundwater is a critical component of our water supply, supporting drinking water needs, agriculture, industries, and ecosystems. This week, we invite you to visit the Edwards Aquifer Authority Education Outreach Center (EOC) to learn more about groundwater and how we can all play a part in its preservation.

Groundwater is water that exists underground in saturated soil and rock layers, replenished by rainwater infiltration. Gravity pulls water downward through the ground, filling spaces between soil particles and cracks in rocks. In the case of the Edwards Aquifer System, when it rains, water falls on the contributing zone into rivers and streams across the recharge zone, and percolates into the Edwards Limestone.

This unseen resource plays a crucial role in supplying water to wells, springs, and streams. In fact, groundwater can take hundreds of years to recharge, making its conservation even more important. More than 44% of the population depends on groundwater as a primary water source for drinking water, and the United States uses 82.3 billion gallons of fresh groundwater every day for various purposes, including public supply, irrigation, and industry.

Why is Groundwater Important?

The importance of groundwater goes beyond just human consumption. It irrigates crops, supports livestock, aids in manufacturing and mining, and helps maintain spring flows and streamflows that provide essential habitats for wildlife, such as the threatened and endangered species of the Edwards Aquifer. However, this vital resource faces several threats. Pollution from fertilizers, pesticides, and industrial waste can seep into aquifers if waste is not disposed of properly. Overpumping can also deplete groundwater levels, leaving less water available for future generations. Abandoned or deteriorated wells pose an additional risk, acting as direct pathways for contaminants to enter the aquifer.

    How Can We Protect Groundwater?

    Protecting groundwater requires collective effort and informed action. Planting native vegetation can reduce water and fertilizer needs, while properly managing waste helps keep hazardous materials out of the soil and water. Regular well maintenance and water testing are essential practices for private well owners, ensuring water quality remains safe. Water conservation measures like fixing leaks and turning off taps when not in use can significantly reduce waste. The average household, for example, can waste nearly 10,000 gallons of water annually from unnoticed leaks alone.

    How You Can Help Protect Groundwater

    Groundwater protection begins with individual actions. Here are some practical steps everyone can take to safeguard this vital resource:

    • Learn about the Edwards Aquifer to understand how it supports your community’s water needs.
    • Support local water conservation efforts by participating in educational events and initiatives.
    • Plant native vegetation, which requires less water and reduces the need for chemical fertilizers.
    • Keep hazardous chemicals, such as paint, pesticides, and motor oil, far away from your well and any water sources.
    • Maintain a clean zone of at least 50 feet around wells, keeping them clear of kennels, livestock operations, and chemical storage.
    • Test your well water regularly to detect contaminants early and prevent potential health risks.
    • Install rain gardens to capture rainwater, helping recharge the aquifer naturally and reducing runoff pollution.
    • Practice water conservation by fixing leaks, using water-efficient appliances, and turning off taps when not in use.

    The Good Well vs. Bad Well Exhibit

    During your visit to the EOC, you can engage with exhibits that illustrate these concepts in an interactive and informative way. The “Good Well vs. Bad Well” exhibit offers a hands-on experience to understand the effects of neglect and improper maintenance on well integrity. Through a turn-dial video display, you can observe the clean, smooth water flowing through a well in good condition and compare it to the polluted water that infiltrates a deteriorated well. This exhibit underscores the importance of well inspections and timely repairs to protect groundwater quality.

    The Aquifer Rocks Exhibit Well

    Another highlight is the Water Journey Wall, where you can explore how water travels through the aquifer’s limestone layers. The Edwards Aquifer is a karst aquifer, characterized by high porosity and permeability, allowing water to move quickly through its underground channels. This rapid movement means the aquifer can recharge swiftly during rainfall but also makes it more susceptible to contamination.

    The Journey of Water

    picture of students interacting with the water journey diagram
    Additionally, don’t miss “The Journey of Water” station. This exhibit demonstrates how rain falling on the contributing zone travels through cracks, crevices, caves, and sinkholes within the recharge zone, eventually collecting in the aquifer’s artesian zone. From there, the water is drawn up to the surface through wells and natural springs, showcasing the incredible natural processes that sustain our water supply.

    National Groundwater Awareness Week serves as a reminder that our actions today impact our water supply tomorrow. By learning about groundwater and adopting responsible practices, we can all contribute to the preservation of this essential resource. Join us at the Edwards Aquifer Authority Education Outreach Center to discover more and be part of the effort to protect our groundwater.

    Free Field Trips and Family Fun

    The EOC is free and open to the public, making it the perfect destination for families and school groups. We also offer free field trips that provide an educational and engaging way to explore the aquifer’s ecosystem and its endangered species. Valentine’s Day is the perfect time to share your love of conservation and inspire the next generation of environmental stewards.

    Native Garden

    Plan Your Visit

    The EOC, located on the Edwards Aquifer Recharge Zone at 23400 Cibolo Vista, San Antonio, TX 78261, is open Monday through Friday from 8 AM to 5 PM. This unique location offers visitors the opportunity to explore and learn directly on the recharge zone of the aquifer. This makes it a convenient and accessible destination for free educational field trips in San Antonio. It is ADA-accessible, free, and open to the public, making it the perfect destination for families, school groups, and individuals alike. With its mission to manage, enhance, and protect the Edwards Aquifer, the EAA is dedicated to educating the community about this precious resource. Through interactive exhibits, engaging school programs, and customizable tours, the EAAEOC makes learning accessible and fun.

    Whether you’re looking for an educational field trip, a self-guided adventure, or a unique way to learn about Texas’ natural resources, the EAAEOC has you covered. Visit eaaeoc.org to schedule your free educational trip to the Edwards Aquifer Authority Education Outreach Center today and make 2025 a year of discovery and learning!

    For More Information

    NationalGroundwaterAwarenessWeekResource (Source: NGWA) | Edwards Aquifer Facts

    Let’s work together to protect our groundwater today for a sustainable tomorrow!

    1 Comment

    1. zoritoler imol

      I don’t commonly comment but I gotta say thankyou for the post on this one : D.

      Reply

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