The article describes that Iran's largest river is facing a serious water crisis, which is related to the long-term drought and the overall lack of water in the country. It states that river flow levels and water supplies in the basin are significantly reduced compared to the past. The text emphasizes that human interventions are also involved in the problem, including intensive use of water for agriculture and the construction of dams. The authors describe the consequences for inhabited areas, agricultural production and ecosystems dependent on the river. The article provides specific data on the decline in water supplies and the extent of the drought affecting a significant part of Iran. He also mentions the risk of further worsening of the situation if the way of handling water resources is not changed. The text presents the crisis of this river as part of the wider water crisis in Iran.