Office of the Administrator (AO)
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Advancing Cooperative Federalism, EPA Enters into New Partnership with the Association of State and Territorial Health Officials, Environmental Council of the States to Collaborate on Environmental Health Projects
EPA announced a five-year Memorandum of Agreement with the Association of State and Territorial Health Officials (ASTHO) and the Environmental Council of the States (ECOS) to collaborate on environmental health projects.
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EPA Fortifies Domestic Fuel Supply, Provides Americans with Relief at the Pump by Approving Nationwide E15 and Removing Boutique Fuel Markets for E10
EPA Administrator Lee Zeldin, in consultation with DOE and in accordance with the Clean Air Act (CAA), issued a temporary emergency fuel waiver to allow nationwide sales of E15 and E10 gasoline ethanol.
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EPA to Take Over Potomac River Water Quality Sampling Near Interceptor Site
Today, as part of the ongoing federal response to the Potomac Interceptor collapse, U.S. Environmental Protection Agency (EPA) will assume responsibility for water quality sampling previously conducted by the DC Department of Energy and Environment (DOEE).
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EPA Delivers 500 Environmental Wins During President Trump’s First Year Back in the White House
One year anniversary: President Donald Trump was sworn in as the 47th President, U.S. Environmental Protection Agency (EPA) Administrator Lee Zeldin shared 500 top environmental accomplishments .
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EPA Delivers Additional 100 Top Environmental Accomplishments, 300 Environmental Wins Now Highlighted Since President Trump Took Office in January
EPA Administrator Lee Zeldin shared 100 additional environmental accomplishments EPA has achieved in the last 100 days, recognizing 300 days of fulfilling the agency’s statutory obligations.
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ICYMI: Administrator Zeldin in Washington Reporter: Why the Trump Administration Launched the Greatest and Most Consequential Year of Deregulation in American History
EPA Administrator Lee Zeldin published an op-ed in the Washington Reporter detailing the historic deregulatory agenda and progress this agency has undertaken over the past year.
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Administrator Zeldin Releases Statement Following President Trump’s State of the Union Address
Read a statement from the U.S. Environmental Protection Agency (EPA) Administrator Lee Zeldin on the heels of President Trump’s February 24, 2026 State of the Union Address.
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White House Details EPA as Federal Lead on Potomac Interceptor Collapse and Response Efforts
EPA will implement the President’s direction to provide all necessary management and coordination among federal agencies to protect the Potomac River and the region’s water supply from the ongoing infrastructure failure spill in the State of Maryland.
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EPA Continues to Reverse Democrats’ War on Beautiful Clean Coal, Finalizes Repeal of Costly Restrictions on Baseload Power Generation
While at Mills Creek Power Plant in Kentucky, U.S. Environmental Protection Agency (EPA) announced the finalization of a deregulatory action to ensure affordable, dependable energy for American families and restore American energy dominance.
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President Trump and Administrator Zeldin Deliver Single Largest Deregulatory Action in U.S. History
Trump Admin Eliminates Obama-Era Endangerment Finding, off-cycle credits, start-stop feature
Alongside the President, EPA Administrator Lee Zeldin announced the single largest deregulatory action in U.S. history.
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EPA Implements Strongest Protections in Agency History for Over-the-Top Dicamba Use on Cotton and Soybeans for Next Two Growing Seasons
EPA established the strongest protections in agency history for over-the-top (OTT) dicamba application on dicamba-tolerant cotton and soybean crops.
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ICYMI: Administrator Zeldin Takes Additional Measures to Address Diesel Exhaust Fluid (DEF) Issues for American Farmers and Truckers
Administrator Lee Zeldin took another step to further the Trump EPA’s work to address widespread concerns from farmers, truckers, motor coach operators, and other diesel equipment operators regarding Diesel Exhaust Fluid (DEF) system failures.
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ICYMI: EPA Sets Record Straight — Americans Have the Right to Repair Their Farm or Other Nonroad Diesel Equipment
EPA Administrator Lee Zeldin set the record straight with guidance reaffirming American farmers and equipment owners’ right to repair the farm and other nonroad diesel equipment they own.
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Administrator Zeldin Gets EPA Back on Track to Eliminate Animal Testing After Biden Admin Halted Phase Out
EPA Administrator Lee Zeldin announced the agency was getting back on track with reducing mammalian animal testing and recommitting to the ambitious goal laid out during the first Trump Administration to eliminate the practice by 2035.
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ICYMI: Administrator Zeldin Gets EPA Back on Track to Eliminate Animal Testing After Biden Admin Halted Phase Out
EPA Administrator Lee Zeldin announced that the agency is getting back on track to end mammalian animal testing by 2035.
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EPA Hosts Roundtable Discussion with Data Center Coalition on Clean Air Resources and Energy Reliability
EPA convened a roundtable with the Data Center Coalition, led by senior Trump EPA officials, to discuss how the rapid growth of data centers can be harnessed to make the U.S. the AI capital of the world.
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EPA Inspector General Report Reveals Biden Admin’s Wasteful Spending Imperiled Tens of Billions of Tax Dollars
EPA OIG audit reveals how the Biden Administration recklessly sent thousands of poorly structured grants out the door with little to no oversight, needlessly putting over $38 billion in precious taxpayer funds at risk of waste, fraud and abuse.
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ICYMI: Trump Administration Announces Another Historic Milestone Toward Implementing 100% Solution to the Tijuana River Sewage Crisis
EPA announced the signing a historic new agreement between the United States and Mexico, called Minute 333, marking additional significant progress to permanently and urgently end the decades-long Tijuana River sewage crisis.
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EPA Unveils Clean Air Act-Related Resource to Provide Transparency for Data Center Developers, Local Communities, Tribes
EPA’s Office of Air and Radiation’s New Webpage Directly Responds to Americans’ Request for Clean Air Act Guidance to Support Permitting, Building of U.S. Data Centers, AI Facilities
EPA’s Office of Air and Radiation (OAR) launched the Clean Air Act Resource for Data Centers webpage to provide data center developers, local communities and Tribes with a central location for Clean Air Act (CAA)-related resources.
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ICYMI: EPA and Army Corps Announce Clear WOTUS Definition to Protect Water Resources and Accelerate Economic Growth
EPA Administrator Lee Zeldin, together with Assistant Secretary of the Army for Civil Works Adam Telle, announced a proposed rule that would establish a clear, durable, common-sense definition of “waters of the United States” (WOTUS).