Amend CSHB 2409 on page 1, lines 18 through 21, by striking all between "(h)" and the period and substituting the following: "The commission may not authorize by rule or permit an injection well that transects or terminates in the Edwards Aquifer. The commission by rule may authorize injection of groundwater withdrawn from the Edwards Aquifer, or injections of storm water, flood water, or groundwater through improved sinkholes or caves located in karst topographic areas"