A large sewage spill into the Potomac River has prompted President Donald Trump to order federal agencies to step in. The incident, described by Trump as a "massive ecological disaster," involves millions of gallons of wastewater entering a waterway that flows through the nation's capital. While officials state that drinking water supplies have not been affected, residents have been advised to avoid contact with the river.
Context
A collapse in a major sewer line in Montgomery County, Maryland, late in January, triggered the significant sewage spill into the Potomac River. This event has been characterized by public health experts as one of the largest sewage releases in United States history. Sampling of the river's water has detected concerning levels of E. coli.
President Trump has directed the Federal Emergency Management Agency (FEMA), an agency within the Department of Homeland Security (DHS), to lead the federal response. This action comes amid a dispute between Trump and Maryland Governor Wes Moore, a Democrat, with each side attributing blame for the incident and the response.
Differing Accounts of Responsibility
"There is a massive ecological disaster unfolding in the Potomac River as a result of the gross mismanagement of local Democrat leaders, particularly, Governor Wes Moore, of Maryland."
— President Donald Trump (via Truth Social)
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Trump has publicly criticized Governor Moore, accusing him of "gross mismanagement" and allowing an "incompetent" local leadership to create a "Disaster Zone" in the river. He stated that local authorities had failed to request necessary emergency help, prompting his intervention.
In contrast, a spokesperson for Governor Moore, Ammar Moussa, countered Trump's assertions, stating that the President's "facts [are] wrong — again." Moussa indicated that the Potomac Interceptor, the origin of the leak, has been the federal government's responsibility since the previous century. He also suggested that the federal Environmental Protection Agency (EPA) had failed to attend a Maryland legislative hearing concerning the matter.

Federal Involvement and River Dynamics
The Potomac River runs through Washington D.C., a significant portion of which is bordered by Maryland. Trump's decision to deploy federal agencies, including FEMA, to manage the crisis highlights the gravity of the situation. The Potomac Interceptor pipeline serves parts of Virginia and Maryland before the water is treated downstream at the Blue Plains Advanced Wastewater Treatment Plant in D.C.
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Trump's directed federal effort is aimed at protecting the District of Columbia's water supply. This intervention is part of a broader pattern of federal actions initiated by the Trump administration. However, climate advocates have previously criticized Trump's administration for reducing domestic climate regulations and withdrawing from global environmental agreements. Democrats and rights advocates have voiced concerns about potential federal overreach and the targeting of political opponents in some federal actions.
Evidence
Event: Collapse of a sewer line in Montgomery County, Maryland, in late January.
Impact: Millions of gallons of wastewater released into the Potomac River, leading to elevated E. coli concentrations.
Federal Directive: President Trump has ordered FEMA to lead the federal response.
Blame Allocation:
Trump: Attributes the disaster to "gross mismanagement" by Maryland Governor Wes Moore and other local Democratic leaders.
Moore's Spokesperson: States the federal government is responsible for the Potomac Interceptor, the source of the leak.
Drinking Water: Officials have stated that drinking water has not been impacted, though public advisement against river contact remains.
Expert Analysis
"While State and Local Authorities have failed to request needed Emergency Help, I cannot allow incompetent Local ‘Leadership’ to turn the River in the Heart of Washington into a Disaster Zone."
— President Donald Trump
"He has his facts wrong — again. Since the last century, the federal government has been responsible for the Potomac Interceptor, which is the origin of the sewage leak."
— Ammar Moussa, Spokesperson for Maryland Governor Wes Moore
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These statements reveal a stark divergence in the understanding and attribution of responsibility for the sewage spill. The differing perspectives suggest a complex history of infrastructure management and intergovernmental relations concerning the Potomac River's sanitation systems.
Conclusion
President Trump's order for federal agencies, led by FEMA, to manage the sewage crisis in the Potomac River signifies a significant escalation of federal involvement in a regional environmental issue. The incident stems from a major sewer line collapse in Maryland, resulting in millions of gallons of wastewater entering the river.
A central element of this situation is the public dispute between President Trump and Maryland Governor Wes Moore, with each accusing the other of mismanagement and misrepresenting facts regarding responsibility for the aging infrastructure. While officials assert that drinking water is safe, the advisement against river use underscores the ecological impact. The differing accounts of federal versus state responsibility for the Potomac Interceptor will likely necessitate a thorough investigation to clarify the chain of command and accountability for its maintenance and any related failures.
Sources
BBC News: Trump directs federal authorities to manage sewage spill 'disaster' - https://www.bbc.com/news/articles/cy57nk9e6zqo
NBC News: Trump says federal government to step in to protect Potomac River after sewage leak - https://www.nbcnews.com/politics/trump-administration/trump-fema-potomac-river-sewage-leak-response-rcna259271
Fox News: Trump slams Maryland governor, launches federal effort to protect Potomac after historic sewage spill - https://www.foxnews.com/politics/trump-slams-maryland-governor-launches-federal-effort-protect-potomac-after-historic-sewage-spill
USA Today: Trump slams MD governor, says federal government will take over Potomac cleanup - https://www.usatoday.com/story/news/politics/2026/02/16/trump-maryland-wes-moore-potomac-sewage-spill/88709634007/
The Baltimore Sun: Trump, Moore feud expands to Potomac River sewage spill - https://www.baltimoresun.com/2026/02/16/trump-moore-potomac-river-sewage-spill/
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