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Paris Olympics Triathlon
Athletes compete in the swimming race in the Seine River during the women's individual triathlon at the 2024 Summer Olympics, Wednesday, July 31, 2024, in Paris, France. (Martin Bureau/Pool Photo via AP)

More Olympians are set to compete in the Seine River. Here's the latest on water quality concerns

At the Paris Olympics, whether the water quality in the Seine River is safe enough to host some swimming events has been a major question

By KATE BRUMBACK and SUMAN NAISHADHAM
Published - Aug 04, 2024, 05:05 PM ET
Last Updated - Aug 04, 2024, 05:05 PM EDT

PARIS (AP) — At the Paris Olympics, whether the water quality in the Seine River is safe enough to host some swimming events has been a major question.

Bacteria levels in the river fluctuate constantly, and daily water samples are tested so organizers can assess the risk and determine whether swims in the long-polluted Paris waterway should go forward.

Triathletes raced in the river Wednesday, and organizers said Sunday night that Monday's triathlon mixed relay event would be held as planned with the swimming portion in the Seine. Testing will continue ahead of the marathon swimming races scheduled for Thursday and Friday.

Here are some things to know about water quality testing in the Seine:

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