Mekong Delta faces intensifying saltwater intrusion amid declining dry season flow Hydrological forecasts from the National Centre for Hydro-Meteorological Forecasting and the Mekong River Commission suggest that total rainfall across the Mekong Basin in March will remain close to the long-term average, with variations of 5-20 per cent across different sub-basins. 08:46 | 06/03/2025