Water consumption in the country decreased by 200 million cubic meters Deputy Director of Water Resources Planning: In 1404, water consumption in the country decreased by 3.2 percent compared to the previous year and reached 6 billion and 24 million cubic meters from 6.223 million cubic meters. Tehran had the largest share of this decrease with a decrease of 134 million cubic meters of water consumption; water consumption in the capital decreased by more than 11%. Water consumption in Shiraz also decreased by 6 million cubic meters, equivalent to 4%. East Azerbaijan recorded a 1.3% decrease in consumption. People's support and changing consumption patterns were effective factors in reducing water consumption by almost 200 million cubic meters.