State to set up CETPs at 27 redeveloped areas in Delhi by end-2025 June 14, 2025 | Key Segments, Municipal Wastewater, News & Developments, Project Updates, State Initiatives, Wastewater The Government of Delhi is expected to set up common effluent plants (CETPs) at 27 redeveloped areas by end-2025. The scope of the project involves construction of CETPs at 27 redeveloped areas in Delhi.