Aquifer Storage and Recovery Recoverability of Injected Water David Murry Texas Commission on Environmental Quality 2019 Trade Fair Austin, Texas

Aquifer Storage and Recovery Recoverability of Injected Water Requirements for Aquifer Storage and Recovery Projects revised under House Bill 655, passed during the 84th Session of the Texas Legislature (2015) New Subchapter G added to Chapter 27 of the Texas Water Code Rules to implement House Bill 655 adopted in 2016 TCEQ required to determine if any of the injected water will be lost

Aquifer Storage and Recovery Recoverability of Injected Water Injected water may be “lost” by: Discharge to the surface Migration of injected water from injection zone through a conduit, such as a fault Migration of injected downgradient due to groundwater flow.

Aquifer Storage and Recovery Recoverability of Injected Water Five possible scenarios involving groundwater flow

Aquifer Storage and Recovery Recoverability of Injected Water

Aquifer Storage and Recovery Recoverability of Injected Water

Aquifer Storage and Recovery Recoverability of Injected Water

Aquifer Storage and Recovery Recoverability of Injected Water

Aquifer Storage and Recovery Recoverability of Injected Water

Aquifer Storage and Recovery Recoverability of Injected Water TCEQ contracted with the University of Texas-Austin and the Center for Water Development to develop guidelines for determining recoverability of injected water Mr. Reinaldo Alcade has been developing these draft guidelines under the direction of Dr. Charles Werth, Bettie Margaret Smith Chair of Environmental Health Engineering Completion of project is scheduled for August 31, 2019

Contact Information David Murry Geologist Underground Injection Control Permits Section Radioactive Materials Division Office of Waste Texas Commission on Environmental Quality david.murry@tceq.Texas.gov 512-239-6080