Interesting piece in The Guardian highlighting a multiple approach to cleaning up the Seine in time for triathlon events at this summer’s Olympic Games.

Approaches include

• Improving the performance of wastewater facilities
• Modernising the sewage system in order to separate rainwater and wastewater in a more systematic way
• Correct misconnections to the system, in which wastewater was discharged into rainwater systems and vice-versa. Studies had shown that thousands of buildings were affected, having been connected to the wrong network.

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