Hydrologic Data Reports

Each year, the Edwards Aquifer Authority publishes a comprehensive Hydrologic Data Report offering an extensive compilation of data on the Edwards Aquifer. The portion of the Edwards Aquifer discussed in these data reports is the San Antonio segment of the Balcones Fault Zone Edwards Aquifer that extends from a groundwater divide near Brackettville in Kinney County, Texas to a groundwater divide near Kyle in Hays County, Texas, a distance of approximately 180 miles.

2016 Hydrologic Data Reports

Water Quality Summary Report

2016 Water Quality Summary

Recharge Report

2016 Recharge Report

Discharge Report

2016 Discharge Report

Precipitation in the Edwards Aquifer Region

2016 Precipitation in the Edwards Aquifer Region

Previous Years