Two pending groundwater permits in Hays County, if approved, could severely damage the Trinity Aquifer, according to multiple hydrogeologists in the area. 

Those permits, filed by Needmore Water, LLC and Electro Purification, LLC, are vying to pump more than 1.2 billion gallons of water a year, combined, if approved by the Barton Springs Edwards Aquifer Conservation District (BSEACD)  

But local experts feel Needmore Water’s permit, which seeks to pump 289 million gallons annually from the...