On an unseasonably warm day in 2023, conservationist Robert Mace looked down into the clear spring waters near San Marcos and saw signs of trouble. As executive director at the Meadows Center for Water and the Environment, he spends his days studying the ecology south of Austin around Spring Lake, which is fed by the Edwards Aquifer and was formed originally by hundreds of artesian springs.

Read more from Asher Elbein with Austin Monthly here.