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“Clean Marne” Program

2023

In 2023, Grand Paris Grand Est invested €66 million in its “Clean Marne” action plan—an ambitious wastewater and sanitation improvement program launched in 2021.

Loan details

20 years Loan duration

16 M€ Amount granted

66 M€ Project cost

Context

Grand Paris Grand Est, a territorial public authority within the Greater Paris Metropolis, brings together 14 municipalities in the southern part of Seine-Saint-Denis and serves more than 400,000 residents.

To make the Marne River safe for swimming for the Paris 2024 Olympic Games, Grand Paris Grand Est is rolling out a large-scale sanitation program to bring its networks into regulatory compliance.

Solution

To support this project, Sfil and Banque des Territoires provided a €16 million green loan over 20 years.

This long-term financing enables Grand Paris Grand Est to implement its program, which aims to bring the wastewater networks of the three main cities concerned into compliance—Gagny, Neuilly-Plaisance, and Coubron (in Seine-Saint-Denis)—by stopping discharges of untreated wastewater into the Marne, in order to protect the environment.

Results


The “Clean Marne” plan is structured around two actions :

  • Building wastewater networks on streets that currently lack them in several municipalities accross the area ;
  • Bringing private sanitation systems into compliance.

402802 residents served by the financed public service

12 km of networks added

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