What do you do when the Ouray Hot Springs Pool isn’t living up to its name? City officials began trying to answer that thorny question in 2022.

The pool, fed by naturally heated, sulphur-free geothermal water, has long been the star attraction in Ouray, and a $10 million remodel and expansion in 2017 was meant to make it an even better experience for the tens of thousands of people who splash around and soothe their aching muscles in it each year.

But since the remodel, diminished water flows an...