On August 2, 2022, a contract was signed in Sulejówek for the implementation of the contract: "Extension of the municipal sewage treatment plant" in the design and build system. The contract will be implemented by Instal Warszawa S.A. on behalf of the City of Sulejówek.
As part of the task, a new technological line of biological wastewater treatment will be constructed. The works will be carried out on the operating sewage treatment plant. We have 34 months to complete the task.