• Reconstruction of  Tali sewage treatment plant

Works: reconstruction of sewage treatment plant.
Completion: 2021

•  Biogasplant construction work in Kaarlijärv

Works: Anaerobiv treatment construction works.
Completion: 2021

• Extension of Kose borough sewage treatment plant

Works: extension of sewage treatment plant.
Completion: 2021

•  Reconstruction of  Jüri borough sewage treatment plant

Works: reconstruction of sewage treatment plant.
Completion: 2021

• Extension of Türisalu (Keila-Joa) sewage treatment plant

Works: extension of sewage treatment plant.
Completion: 2021