Helotes Creek (IMAGE) Southwest Research Institute Caption SwRI researchers selected the Helotes Creek Watershed in northwest Bexar County to study how different wastewater treatment scenarios could affect the Edwards Aquifer. Credit SwRI Usage Restrictions Images/videos may be used by the media and the public for educational and informational purposes only License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.