# Marne: new wastewater treatment plant for Mareuil-le-Port in 2027

> Construction of the new wastewater treatment plant in Mareuil-le-Port, which will also serve Châtillon-sur-Marne and part of Cœur-de-la-Vallée, is due to start in 2027 at a cost of 17 million euros.

**In brief**: Environment event (severity: low) in Mareuil-le-Port (Marne), first detected on 29 October 2026 at 06:00. Reported by 1 source (1 article), last updated on 29 October 2026 at 06:00.

- Category: Environment
- Severity: Low
- Place: Mareuil-le-Port — Marne
- First detected: 29 October 2026 at 06:00
- Updated: 29 October 2026 at 06:00
- Web page: https://acturadar.com/en/events/3454-marne-new-wastewater-treatment-plant-for-mareuil-le-port-in-2027

## Reported figures

- 17 millions d’euros

## Sources (1 articles)

- [16 ans de travaux et 17 millions d’euros pour la nouvelle station d’épuration de Mareuil-le-Port](http://www.lunion.fr/id836837/article/2026-10-29/16-ans-de-travaux-et-17-millions-deuros-pour-la-nouvelle-station-depuration-de) — L'Union, 29 October 2026 at 06:00

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Cite as: Acturadar, “Marne: new wastewater treatment plant for Mareuil-le-Port in 2027”, https://acturadar.com/en/events/3454-marne-new-wastewater-treatment-plant-for-mareuil-le-port-in-2027
Methodology: https://acturadar.com/en/methodology