京津冀河湖复苏成效显著，永定河连续5年全线水流贯通

Group 1 - The Ministry of Water Resources has initiated recovery actions for 88 major rivers and lakes across the country since 2022, with significant results observed particularly in the Beijing-Tianjin-Hebei region [1][4] - The Yongding River, which had been dry for 26 years, and the Tuotuo River, dry for 40 years, have achieved continuous water flow for five consecutive years [1][8] - Baiyangdian, known as the "Pearl of North China," has maintained an average ecological water level above 7 meters for seven consecutive years, indicating a continuous improvement in water ecological conditions [1][3] Group 2 - The revival of 102 previously dry springs in the Beijing-Tianjin-Hebei region demonstrates effective groundwater management, with a 50.7 billion cubic meters reduction in groundwater over-extraction since 2015, achieving an 85.8% reduction rate [3][4] - The average groundwater depth in Beijing's plain areas reached 12.83 meters in March, marking the highest level in nearly a decade [3][4] - The implementation of ecological water replenishment for 52 key rivers in North China has resulted in over 6 billion cubic meters of groundwater replenishment since 2023 [4][8] Group 3 - The Grand Canal has achieved continuous water flow for four consecutive years, with a total of 7.88 billion cubic meters of water replenished to the northern section of the canal, exceeding the planned amount by 142% [6][8] - The Yongding River has achieved continuous water flow for two years and has been integrated into a sustainable development model that promotes harmony between humans and nature [8][9] - The number of days with water flow in 52 key rivers in the Haihe River basin has increased from 221 days in 2020 to 283 days in 2024, with the proportion of rivers with water flow rising from 82.7% to 95.7% [8]