Flow Protection

Measures to ensure minimum continuous springflows and a workable plan for long-term protection of our water resource

Use of SAWS Aquifer Storage and Recovery (ASR)

The Edwards Aquifer Authority is currently offering 1-year ($120), 5-year ($140), and 10-year ($160) leases for unrestricted water. If you are interested in leasing your water through the ASR program, please contact Javier Hernandez at the EAA at  (210) 222-2204. Thank you.

Template ASR Lease Agreement

Edwards Aquifer Habitat Conservation Plan Program Interlocal Contract between Edwards Aquifer Authority and the San Antonio Water System 

Approval of an Interlocal Contract between the Edwards Aquifer Authority and the San Antonio Water System for the use of the Twin Oaks Aquifer Storage and Recovery Project for contribution to springflow protection --  San Antonio Water System Board of Trustees, August 13, 2013.


ASR Regional Advisory Group

Group membership:

  • San Antonio Water System:
  1. Darren Thompson

  2. Robert Macias

  3. Karen Guz

  4. Parviz Chavol

  • Edwards Aquifer Authority: Roland Ruiz
  • Irrigated Ag: Rader Gilliland, alternate Adam Yablonski
  • Small Municipal Pumper: Bruce Alexander
  • Spring Cities: Roger Biggers, alternate Steve Ramsey
  • Environmental: Tyson Broad, alternate Cindy Loeffler
  • Industrial Pumper: Buck Benson, alternate Louisa Eclarinal
  • Downstream Interest: Todd Votteler, alternate Jerry James
  • Program Manager: Nathan Pence

For more information and complete meeting documents, visit the ASR Regional Advisory Group page here.

September 11, 2014

May 28, 2014

March 25, 2014

December 12, 2013

September 19, 2013

April 12, 2013


ASR/VISPO Work Group

In the summer of 2014 the Stakeholder Committee formed the ASR/VISPO Work Group to brainstorm possible options to acquire more water into both these programs. For meeting documents and the Final Report visit the Work Group's page.

© 2017 Edwards Aquifer Authority