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Find out about the EAHCP

The Partners

Edwards Aquifer Authority
The City of New Braunfels
The City of San Marcos
The City of San Antonio acting by and through its San Antonio Water System Board of Trustees
Guadalupe-Blanco River Authority
Texas State University
Texas Parks and Wildlife Department (TPWD)
United States Fish and Wildlife Service (USFWS)

Contact Information

900 E. Quincy
San Antonio, TX 78215
P. (210) 222-2204 or 1-800-292-1047
F. (210) 222-9869
E-mail: eahcp@edwardsaquifer.org

Work Groups and Subcommittees

Biological Goals Subcommittee

Biological Objectives Subcommittee

Budget Work Group

Comal Springs Riffle Beetle Work Group

Research Work Group

Springflow Habitat Protection Work Group

About Us

The Edwards Aquifer Authority is a groundwater district, mandated by the 1993 Edwards Aquifer Authority Act. The Act grants all of the powers, rights, and privileges necessary to manage, conserve, preserve, and protect the aquifer. The EAA regulates the portion of the Balcones Fault Zone Edwards Aquifer – a jurisdictional area that provides water to over 2.5 million people, and covers more than 8,000 square miles across eight counties. These include all of Uvalde, Medina, and Bexar counties as well as parts of Atascosa, Caldwell, Guadalupe, Comal, and Hays counties.