Haryana government works on Rs 5 billion project to construct 27 STPs for reuse of treated wastewater October 18, 2023 | Key Segments, Municipal Wastewater, News & Developments, State Initiatives, Wastewater The government of Haryana is working on a Rs 5 billion project to construct 27 sewage treatment plants (STPs) for reuse of treated wastewater. This content is restricted.