Overview

• Paris city hall reports the Seine was swimmable for 10 or 11 of the past 12 days.
• Heavy rainfall has raised pollution levels, but competitions are expected to proceed.
• The river will host the triathlon and swimming marathon during the Games.
• Authorities have invested €1.4 billion over the past decade to improve water quality.
• Adjustments may be needed for the opening ceremony if high flow rates persist.