Contractors hired to drain a pond and complete repairs to the water feature at the Utah State University Innovations Campus in North Logan were reportedly alarmed to find well over 100 koi fish still alive when the pond was emptied Monday.

According to USU spokesman Eric Warren, the headgate used to control the flow of water in and out of the pond is faulty and needs to be removed and replaced.

USU’s facilities office made arrangements with the Division of Wildlife Resources to relocate some of the koi fish living in the pond to another location before contractors drained the pond, Warren said.

However, according to Warren, wildlife officials reportedly determined that the fish remaining in the pond after it was emptied were of invasive species.

North Park Animal Control Officer Nolan Krebs said when he arrived at the Innovation Campus, he observed many of the fish still flopping around in the mud, but there was little he could do for them.

“They were all dying and there was nowhere to take them ... you can’t release them into public waters,” he said.

Koi are an ornamental fish that are reportedly both docile and social, and when properly cared for, they can live up to 20 years. However, like the carp they are descended from, they can also be invasive.

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Amy Macavinta is the crime reporter for The Herald Journal. She can be reached at amacavinta@hjnews.com.