山西太原多措并举推动地下水超采治理 晋祠难老泉断流三十载复涌

Core Points - The revival of the Nandao Spring in Taiyuan, Shanxi, is a significant ecological restoration achievement after it had dried up in 1994 due to excessive mining and industrial water extraction [1][2][4] - The spring's water level has reached its highest point in over 30 years, with natural outflow occurring for the first time in May 2023, totaling 133 days of flow that year [6][7] Group 1: Historical Context - Nandao Spring, known as "the first spring of Sanjin," dried up in the 1990s due to large-scale coal mining and over-extraction of groundwater, leading to a significant decline in water levels [2][4] - The spring was historically vital for irrigation and industrial water supply, serving over 30,000 acres of farmland [2][4] Group 2: Restoration Efforts - Taiyuan implemented various ecological restoration measures, including closing down artificial water supply systems and allowing natural water flow to resume [4][6] - From 2006 to 2014, the city restructured coal mining operations, reducing the number of mines from 275 to 53, which significantly decreased water extraction [4][5] - The total groundwater extraction has decreased from 451 million cubic meters 20 years ago to a projected 185 million cubic meters by 2024 [5][8] Group 3: Future Plans - The city plans to continue ecological restoration efforts, including repairing irrigation channels to support local agriculture, particularly rice farming [7][8] - Shanxi province has revised regulations to protect groundwater resources, limiting new high-water-consuming projects and controlling groundwater extraction in spring protection areas [7][8]