BMC to levy 0.7 per cent sewerage charge for all its 41 wards soon April 29, 2024 | Key Segments, Municipal Wastewater, News & Developments, Tariffs & Charges, Wastewater The Bidhannagar Municipal Corporation (BMC) has decided to levy a 1 per cent conservancy charge and a 0.7 per cent sewerage charge on the residents of all its 41 wards (including Rajarhat-Gopalpur). This content is restricted.