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Delegates of the Abwasserverband Region Frauenfeld approved a CHF 22.437 million expansion and modernization project at the ARA Frauenfeld wastewater treatment plant on November 30, 2023. The project includes a new micropollutant removal stage and a PV system.
| Site | Largest | Latest |
|---|---|---|
| Frauenfeld, Switzerland | $25.0M | 2023-12-01 |