As a precaution, the Oak Ridge Outdoor Swimming Pool closed for the season a day early this year after a parent reported that their child had been diagnosed with cryptosporidium, a germ that causes intestinal tract problems.

But a test for cryptosporidium in water samples taken from the pool on Monday came back negative on Wednesday, Oak Ridge Recreation and Parks Director Jon Hetrick said. The results were negative both on the pool itself and on the spring that feeds it.

Hetrick said cryptosporidium occurs naturally in bodies of water, and it is chlorine-resistant. The child who was diagnosed with it had been at the Oak Ridge pool a few days earlier, Hetrick said.

“So, as a precaution, we chose to close the pool on Sunday just to make sure no one else was exposed if that was the source,” he said. [Read more…]