EPA Proposes Major Rollback of Clean Water Protections for US Streams

The revised proposal would be the administration’s second attempt at rewriting the WOTUS definition: EPA issued its initial draft in November 2025 and allowed only a 60-day public-comment period.
The National Wildlife Federation’s Jim Murphy called this the fifth effort in the past decade to define waters protected by the Clean Water Act and urged Congress to establish a lasting framework rather than continue the cycle of rulemaking and litigation.
EPA is considering removing the terms “adjacent” and “abutting” from the definition of a wetland’s “continuous surface connection,” potentially changing how proximity to federally protected waters is assessed.
Under the supplemental proposal, tributaries without standing or continuously flowing water every day of the year would generally not qualify as relatively permanent waters, except under certain anomalous or non-anomalous events.
EPA’s November 2025 proposal had defined “relatively permanent” waters more broadly as those flowing year-round or during the wet season and had contemplated wetlands that abut jurisdictional waters and contain surface water during the wet season; the supplemental rule would narrow both concepts.
The Trump administration is proposing a major rollback of Clean Water Act protections that could strip federal safeguards from roughly 79% of U.S. streams and most wetlands, NDTV Profit reports. The EPA's new rule would limit federal jurisdiction to waters that flow year-round and wetlands with direct surface connections to those permanent waters, narrowing protections far beyond the agency's initial November 2025 proposal.
The revised plan marks the second attempt in just months to rewrite the definition of protected waters. Environmental groups warn that weaker rules could threaten drinking water, increase flooding and pollution, and leave households and communities to pay the costs Outdoor Life reported. The EPA says the changes clarify confusing terms, but critics argue the new standard invites confusion and litigation.
This is the fifth major effort in a decade to redefine which waters get federal Clean Water Act protection, Outdoor Life reported. The EPA first issued its broad proposal in November 2025 with only a 60-day comment period. Now the agency is narrowing it even further, creating what conservation groups see as deliberate chaos. Briefs notes this larger effort aims to loosen regulations on water bodies nationwide.
Under the new rule, streams and tributaries that don't flow every single day of the year would generally lose federal protection. Wetlands would need to sit directly next to year-round waters to qualify. The EPA is removing key terms like "adjacent" and "abutting" from how proximity is measured, fundamentally changing what counts as a protected wetland Outdoor Life explains.
Losing protection for 79% of streams means less filtration and natural barriers before water reaches treatment plants. Outdoor Life warns that weaker rules threaten drinking-water supplies and increase flooding risks. Conservation groups say households and local governments would bear cleanup costs that previously fell on polluters. The patchwork would hit Western states especially hard, where seasonal water flow is common.
The National Wildlife Federation's Jim Murphy urged Congress to break this cycle by passing durable legislation instead of letting agencies rewrite rules every few years. Without stable law, litigation and confusion will continue Outdoor Life reports. Landowners asked to determine water coverage by visual inspection alone could face legal battles with regulators.
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