The Seine is open for public swimming after a century-long ban. WSJ’s Noemie Bisserbe takes a dip.

Locals and tourists are lining up this summer for a dip in the Seine. But the reopening of the storied river to public swimming after a centurylong ban hasn’t been entirely smooth.

It was a sweltering summer’s evening — 91 degrees and humid — and a wall of black storm clouds was rolling in from the west.

In sweltering Paris, the Seine River is now open for swimming at three officially designated – and water-quality controlled – ...

Addressing Tony Estanguet, IOC Member and President of the Paris 2024 Organising Committee, she said: “We started out as ...