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- Title
Groundwater Recharge for Drought and Endangered Species Protection: The H<sub>2</sub>Oaks Aquifer to Aquifer Transfer for Storage and Recovery, San Antonio, Texas.
- Authors
MILLER, KATHLEEN; MILMAN, ANITA; BURSON, MADISON; TRACY, JOHN; KIPARSKY, MICHAEL
- Abstract
San AntonioWater Systems (SAWS) developed itsH2Oaks aquifer storage and recovery project in response to pumping restrictions set on its primary source of water supply, the Edwards Aquifer. The H2Oaks project pumps water fromthe EdwardsAquifer duringwet years and transports it to theH2Oaks project site,where it is injected into theCarrizo- Wilcox aquifer for storage. Stored water is withdrawn to meet municipal demand when restrictions on Edwards Aquifer pumping are in place. Although created for the purpose of securing supplies for SAWS, the H2Oaks project became a centerpiece for regional water management. Storage is used during drought to mitigate impacts on pumping while ensuring minimumspringflows needed to protect endangered species in the Edwards aquifer. Currently, the project stores over 176,000 acre-feet of water. This case study traces the development of the H2Oaks project from the passage of the Edwards Aquifer Act to the project's current implementation. The H2Oaks project demonstrates the potential for groundwater recharge projects to store water as protection against drought conditions. It also demonstrates how storage by one entity can support water management needs across the broader community of water users.
- Publication
Case Studies in the Environment, 2021, Vol 5, Issue 1, p1
- ISSN
2473-9510
- Publication type
Article
- DOI
10.1525/cse.2020.1118198