Except it does not continuously fail. You can check meseurements here : https://www.paris.fr/pages/meteo-de-la-seine-quelle-est-la-qualite-de-l-eau-du-fleuve-27467 Water is tested multiple time a day and we can see that water was at acceptable level the days of competition
Armaell
joined 3 months ago
Which is what they exactly did. They reported the initial competition day due to weather concerns and waited until enough time passed with good conditions