华盛顿市水源遭污染求助白宫，特朗普批准联邦支持

Core Points - The primary drinking water source in Washington, D.C. has been contaminated due to a sewage leak, prompting federal intervention to assist in cleanup efforts [1][3] - The sewage leak, caused by a broken pipeline in Maryland, resulted in over 900 million liters of sewage flowing into the Potomac River, which is a major drinking water source for the region [1][3] - Local authorities have declared a state of emergency, and the federal government has been criticized for its delayed response to the incident [3] Summary by Sections - Contamination Incident - A sewage pipeline, built in the 1960s, broke on January 19, leading to significant contamination of the Potomac River [1] - The incident is considered one of the most severe sewage leaks in U.S. history, with researchers finding high levels of fecal-related bacteria and pathogens in the river [3] - Government Response - President Trump approved federal resources to assist Washington, D.C. in addressing the sewage leak [1] - Trump criticized local Maryland officials for their handling of the situation, while Maryland's governor pointed out that the pipeline is federally managed [3] - Environmental Impact - The sewage leak has raised concerns among environmentalists regarding its impact on the ecosystem, particularly with the potential for dormant bacteria to become active due to rising temperatures [3] - Local water authorities and the Environmental Protection Agency are working on repairing the leak and monitoring its effects on the river [3]