Concerns over the long-term impact of a Houston-based firm’s controversial water request led Hays County Commissioners Tuesday to support contesting its proposed permit.

The decision, made via a unanimous vote on a resolution July 10, places Hays County Commissioners on a list clamoring for a hearing on Electro Purification’s (EP) quest for nearly 1 billion gallons of water per year from the Middle Trinity Aquifer.

According to a press release, commissioners ratified a letter sent June...