S. 2421 (119th)Bill Overview

CLEAR Waters Act

Environmental Protection|Environmental Protection
Cosponsors
Support
Republican
Introduced
Jul 23, 2025
Discussions
Bill Text
Current stageCommittee

Read twice and referred to the Committee on Environment and Public Works.

Introduced
Committee
Floor
President
Law
Congressional Activities
01 · The brief
Plain-English summaryWhat this bill actually does

This bill (CLEAR Waters Act) amends the definition of “navigable waters” in the Federal Water Pollution Control Act (the Clean Water Act). It explicitly excludes from the term: components of waste treatment systems (including lagoons and treatment ponds used to convey, retain, or remove pollutants), ephemeral features that flow only in direct response to precipitation, groundwater, and any other features the EPA Administrator and the Chief of Engineers determine should be excluded.

Why people may split

Progressives emphasize environmental and public-health risks from narrowed federal jurisdiction; conservatives emphasize regulatory relief and property rights.

Watch point

Relative to its intended legislative type, this bill is a straightforward substantive change to the Clean Water Act definition of 'navigable waters' with clearly enumerated exclusions for treatment system components, ephemeral features, and groundwater, plus a broadly worded agency delegation for additional exclusions.

This bill (CLEAR Waters Act) amends the definition of “navigable waters” in the Federal Water Pollution Control Act (the Clean Water Act).

It explicitly excludes from the term: components of waste treatment systems (including lagoons and treatment ponds used to convey, retain, or remove pollutants), ephemeral features that flow only in direct response to precipitation, groundwater, and any other features the EPA Administrator and the Chief of Engineers determine should be excluded.

The effect is to narrow the federal statutory definition of waters subject to Clean Water Act jurisdiction by listing specific categories of excluded waters and delegating authority to the agencies to identify further exclusions.

Passage35/100

Content-wise the bill is narrow and technically simple, but alters a major definitional hook of the Clean Water Act with significant downstream consequences—a type of deregulatory statutory change that tends to pass more easily in chambers receptive to rolling back regulation but stalls where broader consensus is required. Lack of built-in compromise mechanisms and likely mobilization by opposing stakeholders reduce its standalone prospects for becoming law absent packaging into larger legislation or significant bipartisan negotiation.

CredibilityPartially aligned

Relative to its intended legislative type, this bill is a straightforward substantive change to the Clean Water Act definition of 'navigable waters' with clearly enumerated exclusions for treatment system components, ephemeral features, and groundwater, plus a broadly worded agency delegation for additional exclusions. The statutory amendment language is concrete for the enumerated items but leaves important boundary and procedural matters to agency action without specifying processes or safeguards.

Contention75/100

Progressives emphasize environmental and public-health risks from narrowed federal jurisdiction; conservatives emphasize regulatory relief and property rights.

02 · What it does

Who stands to gain, and who may push back.

Likely benefits vs burdens50% / 50%
Federal agencies · DevelopersFederal agencies · Local governments

These are examples from the analysis, not a ranked list of the most-affected groups.

Likely helped
  • Federal agenciesProvides clearer, narrower statutory boundaries for federal jurisdiction over waters, which supporters could argue redu…
  • DevelopersReduces the number of sites requiring federal Clean Water Act permits (e.g., certain treatment ponds, ephemeral channel…
  • Permitting processLowers administrative and transactional costs for projects affected by jurisdictional determinations (fewer delineation…
Likely burdened
  • Federal agenciesRemoves federal protections for ephemeral streams, certain treatment-system components, and groundwater that can be hyd…
  • Federal agenciesCreates potential public-health and ecosystem risks (drinking-water contamination, harm to fisheries and recreation) if…
  • Local governmentsShifts responsibility for protection and enforcement to states and localities, which could produce a patchwork of prote…
03 · Why people split

Why the argument around this bill splits.

Progressives emphasize environmental and public-health risks from narrowed federal jurisdiction; conservatives emphasize regulatory relief and property rights.
Progressive20%

This persona would likely view the bill as a significant rollback of federal clean water protections that could leave many waters vulnerable to pollution.

They would be concerned that removing federal coverage for treatment components, ephemeral streams, and groundwater creates regulatory gaps and weakens the ability to prevent downstream contamination of rivers, wetlands, and drinking water sources.

They would see the grant to agencies to exclude “any other features” as an invitation to further narrow protections.

Likely resistant
Centrist50%

A centrist would see the bill as an attempt to provide clearer limits to federal jurisdiction over waters, which could reduce regulatory uncertainty for landowners and businesses.

At the same time, they would be wary of creating holes in water quality protection and would look for evidence that excluded categories will not lead to measurable degradation of downstream waters or increased public health risks.

They would want clearer definitions and guardrails, plus mechanisms for state-federal cooperation and accountability.

Split reaction
Conservative80%

A mainstream conservative would likely view the bill favorably as a restoration of clearer limits on federal authority under the Clean Water Act.

They would emphasize property rights, reduced regulatory burden for landowners and businesses, and a return of decision-making latitude to states and landowners for features such as waste-treatment ponds, ephemeral streams, and groundwater.

The delegation to EPA and the Corps to identify further exclusions may be seen as useful flexibility, though some conservatives might prefer even more statutory specificity.

Leans supportive
04 · Can it pass?

The path through Congress.

Introduced

Reached or meaningfully advanced

Committee

Reached or meaningfully advanced

Floor

Still ahead

President

Still ahead

Law

Still ahead

Passage likelihood35/100

Content-wise the bill is narrow and technically simple, but alters a major definitional hook of the Clean Water Act with significant downstream consequences—a type of deregulatory statutory change that tends to pass more easily in chambers receptive to rolling back regulation but stalls where broader consensus is required. Lack of built-in compromise mechanisms and likely mobilization by opposing stakeholders reduce its standalone prospects for becoming law absent packaging into larger legislation or significant bipartisan negotiation.

Scope and complexity
52%
Scopemoderate
24%
Complexitylow
Why this could stall
  • No cost estimate or federal agency implementation plan is included; the fiscal and administrative effects on permitting, enforcement, and state programs are uncertain.
  • How the EPA and Army Corps would interpret and apply the new exclusion authority (especially clause allowing other features to be excluded) could substantially alter practical impact and provoke litigation.
05 · Recent votes

Recent votes on the bill.

No vote history yet

The bill has not accumulated any surfaced votes yet.

06 · Go deeper

Go deeper than the headline read.

Included on this page

Progressives emphasize environmental and public-health risks from narrowed federal jurisdiction; conservatives emphasize regulatory relief…

Content-wise the bill is narrow and technically simple, but alters a major definitional hook of the Clean Water Act with significant downst…

Unlocked analysis

Relative to its intended legislative type, this bill is a straightforward substantive change to the Clean Water Act definition of 'navigable waters' with clearly enumerated exclusions for treatment system components, ep…

Go beyond the headline summary with full stakeholder mapping, legislative design analysis, passage barriers, and lens-by-lens tradeoff breakdowns.

Perspective breakdownsPassage barriersLegislative design reviewStakeholder impact map
Open full analysis