The Middle Trinity Aquifer has risen and fallen within the past 10 years but it is declining overall, the principal hydrogeologist for the Barton Springs Edwards Aquifer Conservation District (BSEACD) told the Hays County Commissioners Court during their Oct. 22 meeting.

Brian Smith put up a slide showing the hydrology of the Middle Trinity between 2008 and 2018 as part of a presentation on a long-term study of the sustainability of the resource ahead of a vote by the court to dedicate $58,000 o...