Today, U.S. Environmental Protection Agency (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, and delivering clean air, land, and water for all Americans under President Donald Trump’s leadership.  

This progress includes announcing a proposed rule today that establishes a clear, durable, common-sense definition of “waters of the United States” (WOTUS), completing 100 days of “pressure testing” Tijuana-San Diego wastewater projects from the July 2025 U.S.-Mexico Memorandum of Understanding (MOU) and accelerating timelines by nine months, secured our border from dangerous illegal pesticides through enforcement action, led emergency response efforts and cleanup efforts in communities across the nation, and so much more.  

These 100 actions build on Administrator Zeldin’s  list of 100 pro-environmental actions taken by the agency during President Trump’s First 100 Days in office and another 100 pro-environmental actions highlighted at the 200-day milestone to total 300 featured accomplishments. 

“We are thrilled to announce another 100 top accomplishments from the last 100 days in our mission to meet our statutory duties and defend human health and environmental quality,” said EPA Administrator Zeldin. “The Trump EPA is showing that we can be exceptional environmental stewards while Powering the Great American Comeback. 300 days, 300 major environmental wins – this is the energy that propels us forward and the pace that motivates us. We will keep working tirelessly to secure success after success for America’s environment and families nationwide.”

This snapshot represents the great work done by the agency on a daily basis as EPA continues to fulfill its core mission of protecting human health and the environment, while committing to commonsense policies that drive down prices, unleash American energy, advance permitting reform and cooperative federalism, make America the AI capital of the world, and revitalize the auto industry. 

1. Announced a proposed rule that establishes a clear, durable, common-sense definition of WOTUS under the Clean Water Act. 
2. Completed 100 days of “pressure testing” Tijuana-San Diego wastewater projects following the July 2025 U.S.-Mexico MOU, accelerating timelines by nine months while advancing funding discussions with Mexico that will contribute to permanently ending the flow of raw sewage from Mexico into the United States. 
3. Issued an Interim Final Rule to cut red tape on the temporary-use Commercial and Industrial Solid Waste Incinerators (CISWI) for natural disaster debris removal, providing state, local and Tribal governments with the ability to quickly and effectively clean up their communities. 
4. Issued guidance directing regional offices to work with local, state, Tribal, and federal partners to remove barriers in State Implementation Plans (SIPs) that discourage prescribed fires. 
5. Established orders under Toxic Substances Control Act (TSCA) Section 5(e) for 68 new chemicals that may present unreasonable risk.   
6. Proposed 144 and finalized 170 significant new use rules (SNURs) under TSCA for chemicals approved in the new chemicals program, ensuring these chemicals do not pose unreasonable risks to human health or the environment. 
7. Decreased the backlog of pesticide submissions under review by over 5,200 from the start of the Administration to the beginning of November, ensuring growers and other users have the tools they need to protect our food supply, combat pests and respond to other public health and environmental issues.   
8. Hosted a webinar for almost 400 building code officials covering lead hazards, EPA lead-safe work certification requirements, and protective practices during home renovations. 
9. Streamlined review processes for over 3,000 company chemical risk notifications (including PFAS and pesticides), distributing 900+ to improve regulatory decisions protecting human health and the environment. 
10. Issued vital guidance needed for publishing bilingual labels to better protect farmworkers and other users from pesticide exposures and ensure proper use. 
11. Held a webinar attended by 882 participants aimed at training farmers, applicators, and other users on how to comply with Endangered Species Act label mitigations. 
12. Secured U.S. border from dangerous pesticides and chemicals through enforcement actions resulting in 13 total defendants, $6.3 million in financial penalties, and 29 months imprisonment. 
13. Concluded 1,778 enforcement cases, which will reduce, treat, or eliminate nearly 86 million pounds of air, chemical, and water pollution.     
14. Concluded 41 enforcement cases totaling more than $714.4 million for past and future Superfund cleanup work addressing more than 58.8 million cubic yards of contaminated soil and water. 
15. Conducted 6,457 inspections and 3,807 offsite compliance monitoring activities. 
16. Issued the Residential Lead Directive for CERCLA Sites and RCRA Hazardous Waste Cleanup Program Facilities. 
17. Announced the selection of 25 communities to receive assistance through the Recreation Economy for Rural Communities. 
18. Distributed $86.2 million in supplemental Hurricane Helene recovery funds to support debris removal, management, and property reuse evaluation. 
19. Hosted the biennial Brownfields conference with over 2,600 stakeholders, offering 185 sessions and eight workshops focused on sharing best practices for contaminated property remediation and redevelopment. 
20. Signed 10 Clean Air Act regulatory actions in New England including 5 final State Implementation Plan (SIP) rulemakings. 
21. Issued nine TSCA PCB Cleanup and Disposal Approvals to support New England infrastructure and redevelopment. 
22. Finalized a consent order requiring removal of PFAS foam and system cleaning at Brunswick Executive Airport in Maine. 
23. Signed Interim Record of Decision for the Tinkham Garage Superfund Site in New Hampshire to address contamination in drinking water. 
24. Signed an Action Memo to mobilize cleanup efforts of PCBs and lead in a Dartmouth, Massachusetts, residential neighborhood. 
25. Completed decision document for cleanup at Lower Neponset River Superfund Site in Massachussetts to remove contaminated soil and sediment, stabilize and restore riverbanks. 
26. Conducted outreach on the Renovation, Repair, and Painting Rule (RRP) to 689 companies and individuals in Maine with lapsed certifications, sponsored training, and approved training provider accreditation. 
27. Approved revised Clean Water Act Section 320 Comprehensive Conservation and Management Plan to protect and restore Great Bay and Hampton-Seabrook estuary watersheds in New Hampshire. 
28. Installed 108 Point of Entry Treatment water systems to address PFAS contamination and sampled over 350 wells and provided bottled water to almost 200 residents near the Route 31 Sludge Superfund removal site in New Jersey. 
29. Finalized agreement with NRGY Development, LLC, requiring asbestos contamination removal to secure the former Goudey Power Station Site in New York. 
30. Issued a Clean Water Act National Pollutant Discharge Elimination System (NPDES) permit for EcoEléctrica, a company that produces about 15% of Puerto Rico’s electricity. 
31. Reached settlement with the Newark Housing Authority requiring lead testing and abatement across 11 pre-1978 properties housing about 5,500 residents in New Jersey. 
32. Issued a Safe Drinking Water Act order to the City of Syracuse, New York, requiring improvements and public education to address lead in the water. 
33. Issued a Unilateral Administrative Order under Superfund law requiring Messer LLC to perform vapor intrusion mitigation for the Cinnaminson Groundwater Contamination Superfund Site in New Jersey. 
34. Responded to a serious fire in Gorham, New York, establishing air monitoring and developing plans to address flareups while working to remove hazardous substances (primarily expired hand sanitizer). 
35. Completed removal of approximately 100,000 gallons of expired hand sanitizer and 30 cubic yards of contaminated soil from Niagara Falls, New York. 
36. Gained full accreditation to perform a sophisticated analysis for toxic volatile organic compounds (VOCs) in the air in Region 2.  
37. Expedited evaluation of Maryland’s Animal Feeding Operations Discharge Permit in just 27 days, reducing permit review time by 70%. 
38. Conducted extensive sampling at Atlantic Wood Industries Superfund Site in Virginia, analyzing over 1,500 oysters to evaluate remedial success. 
39. Hosted over 60 federal and state stakeholders for collaborative training on environmental remediation, groundwater investigation, and radon risk reduction in Region 3. 
40. Strengthened multi-agency preparedness with training on train derailments, radiological security, oil spills, and hazardous materials emergency planning and response. 
41. Advanced clean water protections through approved selenium criteria in Virginia and new sediment total maximum daily limits. 
42. Completed oyster reef recovery in 10 target tributaries and restored more than 2,900 acres of habitat with Chesapeake Bay partners. 
43. Forged first-ever Agriculture Memorandum of Understanding with Virginia Department of Agriculture and Consumer Services to expand collaboration on agricultural practices that benefit the environment, regulatory and compliance programs, training, communication, and education. 
44. Launched a new macroinvertebrate subsampling station at Fort Mifflin in Pennsylvania to strengthen regional Clean Water Act monitoring. 
45. Removed 1,815 pounds of contamination at Southern Solvents Superfund Site in Tampa, Florida, and achieved the Remedial Action goal. 
46. Sampled 515 residential properties, remediated 161 properties, and disposed of more than 30,000 tons of contaminated material to safeguard residents from lead exposure at the Southside Chattanooga Lead Superfund Site in Tennessee. 
47. Completed a $1.98 million cleanup at Continental Cleaners Superfund Site in Miami, Florida, that protects the Biscayne aquifer, Miami-Dade’s sole source of drinking water. 
48. Provided Risk Assessment training to 40 state project managers in Columbia, South Carolina. 
49. Finalized a report on particulate Action Levels related to metal emissions from lithium-ion battery fires to enhance and guide protective actions. 
50. Enhanced EPA’s partnership with Citrus County, Florida, to advance $1.2 million for the Septic-to-Sewer program. 
51. Distributed $685 million for recovery in partnership with FEMA and local officials, resulting in 122 pre-application projects in 59 communities for flood risk reduction and resiliency enhancement, as we recently marked the first anniversary since the devastation of Hurricane Helene. 
52. Worked to collect 54,000 gallons of oil-water mix, stabilize nearby waterways and drinking water sources, and prevent further contamination following the UPS Flight 2976 crash in Louisville, Kentucky. 
53. Collaborated with Department of Energy (DOE) on the first land lease in the nation under the Hall Amendment for beneficial site redevelopment with lease of 100-acre parcel of Paducah Gaseous Diffusion Plant Superfund site. 
54. Completed two-year residential cleanup project addressing PCB-contaminated soil at 56 properties on the Ten Mile Drain Superfund site in Kentucky. 
55. Approved Michigan’s regional haze state implementation plan revisions, addressing pollution that causes visibility issues at national parks and wilderness areas. 
56. Completed a time-critical cleanup of a former balloon factory to remove hundreds of containers of hazardous materials in Malvern, Ohio. 
57. Excavated more than 5,000 tons of PCB-contaminated soil discovered by the city of Detroit during construction of the Joe Louis Greenway. 
58. Cleaned up properties contaminated by a fire at a Newburgh, Indiana, manufacturing facility which spread caustic ash over a large part of the community. 
59. Removed Muskegon Lake, Michigan, from the list of the most environmentally degraded areas in the Great Lakes. 
60. Reached a settlement to resolve alleged lead-paint renovation violations in South Bend, Indiana. 
61. Reached settlement for alleged violations of the Clean Air Act requiring company to reduce lead and particulate matter emissions. 
62. Sailed more than 8,000 miles, sampled 382 sites and hosted hundreds of students and visitors during EPA research vessel Lake Guardian’s 2025 survey of Great Lakes water quality. 
63. Collaborated with the state of Ohio and numerous local partners to begin the long-anticipated process to remove Cuyahoga River’s Gorge Dam. 
64. Removed more than 2,100 tons of spilled asphalt from the Chicago Ship and Sanitary Canal. 
65. Led emergency response at Smitty Supply explosion and fire in Louisiana deploying 464 EPA employees and contractors to conduct air monitoring and recover 7,622,181 gallons of oily waste and 3,769,668 gallons of CERCLA waste from the Tangipahoa River. 
66. Signed final Clean Air Act Minor New Source Review permit for Texas GulfLink Deepwater Port, the first use of an offshore support vessel to house VOC vapor control technology. 
67. Conducted oversight of the depressurization of four flanged tritium waste containers at Los Alamos National Laboratory in New Mexico. 
68. Signed proposed approval of Oklahoma SIP Revisions for New Source Review permitting and general SIP updates, addressing 13 SIP submittals. 
69. Provided expedited sample results for 61 indoor air samples for volatile organic compounds from 16 residential properties in the CCI Superfund site in Kansas. 
70. Awarded task order contract that reduces mobilization time by approximately 280 days for the Superfund Removal and Remedial Program in Region 7. 
71. Awarded $148,000 to the City of Cambridge, Nebraska, for rehabilitation of Cambridge’s Wastewater Treatment Plant. 
72. Collected fish tissue samples at four locations near Montrose, Missouri, to address potential concerns with the Montrose facility and fly ash storage. 
73. Signed a final action to approve revisions to the Missouri SIP to resolve a discrepancy between federal and state requirements. 
74. Signed a final action to approve revisions to the Kansas SIP to redesignate the Salina Area from nonattainment to attainment for the 2008 Lead (Pb) NAAQS. 
75. Collected and analyzed bacterial samples at 48 sites on the Maquoketa and upper Iowa River watersheds in northeast Iowa. 
76. Finalized agreement with liable parties for cleanup of a 15,000-ton pile of elemental sulfur in Peru, Kansas, resulting in site cleanup at no taxpayer cost. 
77. Approved an aquifer exemption for the Lisbon Valley Mine Project in Utah to include underground recovery of copper, expanding current mining operations with less surface disturbance. 
78. Signed North Dakota’s Coal Combustion Residuals (CCR) final rule, allowing the state to permit CCR disposal in surface impoundments and landfills. 
79. Signed a proposed rule approving a SIP revision for Montana, addressing regional haze and visibility requirements related to the 2015 ozone National Ambient Air Quality Standard. 
80. Approved revisions to Montana’s water quality standards in House Bill 664, maintaining narrative criteria to protect against harmful effects of nutrient pollution. 
81. Signed a Memorandum of Agreement with the Blackfeet Tribe in Montana and Idaho to create NPDES permitting efficiencies for the Clean Water Act Section 401 Process.  
82. Supported Colorado’s efforts in a chemical removal action at Otero County schools, with over 3,400 containers added to collection efforts. 
83. Reached a settlement with Kennecott Utah Copper requiring the mining company to monitor wetlands, study groundwater contamination, and pay oversight costs at the Kennecott North Zone Superfund Site near Salt Lake City, Utah. 
84. Hosted Proposed Plan public meeting in Billings, Montana, with record attendance, identifying EPA’s Preferred Alternative for addressing contaminated indoor air detected in homes, schools, and commercial buildings in the downtown area. 
85. Paved the way toward cleanup at the Northeast Church Rock site near Gallup, New Mexico, by concluding a consent decree to remove approximately one million cubic yards of uranium mine waste. 
86. Completed removal of approximately 150,000 pounds of illegally stored fireworks, nitrous oxide gas, and hand sanitizer at a warehouse in Commerce, California.  
87. Completed Dededo waste piles removal action in Guam, removing approximately 31,000 cubic yards of contaminated soil and installing new fencing to prevent future dumping.  
88. Concluded an agreement with owners of a supermarket chain to remove multiple unregistered pesticides illegally sold throughout Arizona, California, and Nevada. 
89. Completed four PFAS treatment systems to safeguard drinking water in southern California’s Irvine Ranch and Orange County Water Districts to protect over 9,500 households from PFAS. 
90. Began oversight of unprecedented lithium-ion battery removal from the Moss Landing, California, energy storage facility damaged in a January 2025 fire. 
91. Completed transfer of almost one million tons of Maui wildfire debris to permanent disposal two months ahead of schedule, transitioning to the restoration phase. 
92. Issued five orders to drinking water systems in Arizona, California, and Nevada for failing to complete lead service line inventories and customer notifications. 
93. Completed remediation of 413,000 cubic yards of mine wastes and restoration of 17 acres Bunker Hill Superfund Site’s Tamarack Complex project in northern Idaho and eastern Washington. 
94. Completed the Gray’s Meadow Remedial Action in Idaho restoring 695 acres of former agricultural land to clean wetland habitat. 
95. Approved Alaska’s Air Quality Plan for Fairbanks North Star Borough, providing cleaner air while saving Alaskans from costly provisions. 
96. Issued Cooperative Agreements to advance cleanup of contaminated Alaska Native Corporation lands, with 296 sites remaining to be verified out of nearly 1,200. 
97. Remobilized to the Cosmo Specialty Fibers site in Washington to conduct an expanded removal evaluation assessing risks to nearby fish-bearing waters from hundreds of thousands of gallons of chemicals remaining in over 47 above-ground storage tanks after mill closure. 
98. Awarded the City of Seattle $3 million to help implement their South Park Drainage Improvements Project, that will manage stormwater, reduce flooding, and protect Seattle residents, property, and public infrastructure from contaminants like BETX, VOCs, and various metals.  
99. Awarded a $965,000 Community Grant to the Town of Washtucna in Washington State to design and construct a new community well and pump station, bolstering the reliability of a safe drinking water supply for the community.

    100. Approved Texas SIP for SO2 interstate transport requirements