Transforming a derelict site in Mazingarbe (62)

Apports de terres site Mazingarbe

Since summer 2024, excavated soil from the construction sites of our partners – Varet Environnement, Verrier et Fils, Métropole TP, Lherbier and Briqueteries du Nord – has been helping to transform the landscape at the foot of terril 49 in Mazingarbe. The soil comes from construction sites within a 22 km radius, and is part of a circular economy. The soil is used to create an urban forest, a seed orchard and a reprofiled agricultural area, while at the same time combating the invasion of Giant Hogweed, a plant that is dangerous for local biodiversity.

The traceability of inert soil is at the heart of this project. Each input is checked at source, inspected on entry to the ECT site and rigorously monitored right through to its final placement. This traceability ensures the quality of the soil for the final landscaping.  

This project symbolizes our commitment to the sustainable recovery of excavated soil, while contributing to the rehabilitation of landscapes in partnership with local stakeholders and the Espaces Naturels Régionaux (ENRx).

Latest news

Louis - Paysagiste
18/12/2025

Landscape designer : when excavated earth becomes a land project

In May 2025, Louis Canesse joined the ECT landscaping team as a landscape designer. Today, he talks about the landscape designer’s role in the company’s non-built projects. FFrom project planning

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ECT Icone ouverture de site
11/12/2025

ECT Hauts de France opens a new site in Harnes (62)

An accessible site for inert soil from the local construction industry Since December 8, the site in Harnes has been receiving inert soil from local construction sites. Located just 5

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01/12/2025

Green spaces supervisor: vegetation and biodiversity

For the past few weeks, Benjamin Chapeau has been working as a green space project manager in ECT’s landscaping department. The key words in his job are vegetation, landscape, biodiversity,

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