山西吕梁中阳县一河沟出现“黄色污水”：生态环境部门已提取水样送检

Group 1 - The incident involves the appearance of "yellow wastewater" in a river ditch in Zhongyang County, Shanxi Province, as reported by netizens on October 29 [1] - The local ecological environment bureau confirmed that the affected area is located in the jurisdiction of Ningxiang Town, Zhongyang, and multiple departments are involved in the response [1] - A staff member involved in the on-site response indicated that the yellow color of the water is due to coal gangue being soaked by water [2] Group 2 - The ecological environment department has collected water samples for testing and is currently sealing off the affected area [2]