Core Insights - Ordos City is characterized by severe water scarcity, with a per capita water resource of only 1,299 cubic meters, significantly lower than national and regional averages [1] - The city has implemented a "quality-based water supply, gradient treatment, and recycling" system to promote water conservation and efficient utilization [1] - As of December 2024, the groundwater level in Ordos has risen by 1.84 meters year-on-year, marking three consecutive years of increase [1] Water Resource Management - In November 2022, Ordos issued the "Four Waters and Four Determinations" plan to enforce water management principles [1] - The "Ordos City Water Resource Management Regulations" came into effect on January 1, 2024, providing legal support for standardized water resource management [1] - A water supply project utilizing the Yellow River's water indicators was launched on July 18, 2024, allowing for an annual intake of 28 million cubic meters [1] Industrial Water Conservation - The Zhongtian Hechuang Chemical Company has established a three-tiered water-saving management system, achieving significant water efficiency [2] - The company has a 3,000 cubic meters per hour deep processing facility for mine water, which replaces Yellow River water for production [2] - An investment of 150 million yuan in a high-salinity water salt production project reduces hazardous waste by 52,000 tons annually [2] Agricultural Water Efficiency - The Ordos region is promoting facility-based water-saving agriculture, with farmers exchanging irrigated land for greenhouses, significantly reducing water usage [6] - Each greenhouse can save over 1,500 cubic meters of irrigation water annually compared to traditional crops [6] - The implementation of small-flow drip irrigation technology has led to a 30% to 50% reduction in water usage while increasing crop yields by 15% [9] Urban Water Recycling - In the Kangbashi District, 80% of urban greening water comes from recycled water, with a daily processing capacity of 12,000 tons [11] - The district has laid 3,051.4 kilometers of recycled water pipelines, achieving an 83% irrigation rate for urban greening [12] - The annual savings from using recycled water for irrigation amount to 15.74 million cubic meters, reducing irrigation costs by 130 million yuan [12]
开源节流 鄂尔多斯地下水位连续三年上升