Overview
- Authorities have reduced pressure and cut supplies overnight in parts of the city as emergency rationing begins.
- Reservoirs feeding the capital are at historic lows, with Karaj at about 8% capacity and Latyan near 9%.
- UN water expert Kaveh Madani warns Tehran could have only days or weeks of supply left without meaningful rainfall.
- President Masoud Pezeshkian has told residents that rationing will deepen and that evacuation or even relocating the capital is possible if dry conditions persist.
- The National Weather Forecasting Centre reports September–November rainfall 89% below average, while consumption has quadrupled to 1.2 billion cubic metres and aquifers now supplying up to 60% are declining by roughly 101 million cubic metres a year.