Science & Aquifer Protection - Edwards Aquifer Authority

Technical Briefings

AST Registration Process

Aboveground Storage Tanks Regulation

You own or operate an AST that is 500 gallons or larger…

Your tank is on the Recharge Zone or Contributing Zone of the Edwards Aquifer…

Your AST is not exempt from regulation…

You must register your AST with the EAA

You will receive confirmation & approval of registration

In observance of Battle of Flowers, the office will be closed on Friday, April 26th.