S. 2179 (119th)Bill Overview

Canyon’s Law

Public Lands and Natural Resources|Public Lands and Natural Resources
Cosponsors
Support
Democratic
Introduced
Jun 26, 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, titled Canyon’s Law (S.2179), would ban the preparation, placement, installation, setting, deployment, or other use of M–44 cyanide-ejector devices (commonly called "cyanide bombs" or M–44s) on public land administered by the National Park Service, U.S. Fish and Wildlife Service, Bureau of Land Management, Bureau of Reclamation, and the Forest Service. It requires any Federal, State, or county agency that has deployed M–44 devices on such public land to remove them within 30 days of enactment.

Why people may split

Public-safety and wildlife-protection vs. livestock-protection and multiple-use management: liberals emphasize safety and nontarget harm; conservatives emphasize tools for protecting livestock on and near public lands.

Watch point

Relative to its intended legislative type, this bill establishes a clear substantive prohibition on M–44 devices on public land and requires their removal within a tight deadline, with defined terms and an evidentiary Findings section.

This bill, titled Canyon’s Law (S.2179), would ban the preparation, placement, installation, setting, deployment, or other use of M–44 cyanide-ejector devices (commonly called "cyanide bombs" or M–44s) on public land administered by the National Park Service, U.S. Fish and Wildlife Service, Bureau of Land Management, Bureau of Reclamation, and the Forest Service.

It requires any Federal, State, or county agency that has deployed M–44 devices on such public land to remove them within 30 days of enactment.

The bill defines M–44 devices as devices designed to propel sodium cyanide when triggered by an animal and cites human, pet, wildlife, and endangered-species harms and the EPA classification of sodium cyanide in its findings.

Passage45/100

On content alone this is a narrow, administratively straightforward ban addressing a specific public‑safety and wildlife concern, which can attract advocates across environmental and public‑safety lines. However, it touches a sensitive policy area for western and rural stakeholders (predator control on public lands), contains no compensating measures, and has a tight removal deadline—factors that increase political resistance. The absence of funding and enforcement detail simplifies enactment technically but also leaves practical implementation questions unresolved, making it less likely to clear the Senate without changes or attachments to larger bills.

CredibilityPartially aligned

Relative to its intended legislative type, this bill establishes a clear substantive prohibition on M–44 devices on public land and requires their removal within a tight deadline, with defined terms and an evidentiary Findings section. However, it omits enforcement, funding, detailed implementation procedures, integration with existing regulatory schemes, and accountability mechanisms.

Contention60/100

Public-safety and wildlife-protection vs. livestock-protection and multiple-use management: liberals emphasize safety and nontarget harm; conservatives emphasize tools for protecting livestock on and near public lands.

02 · What it does

Who stands to gain, and who may push back.

Likely benefits vs burdens50% / 50%
Federal agenciesLocal governments · Federal agencies

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

Likely helped
  • Federal agenciesReduces the presence of a highly toxic pesticide device on federal public lands, likely lowering the risk of accidental…
  • Federal agenciesMay simplify management policy on federal lands by creating a clear, uniform prohibition that eliminates use-authority…
  • Potential benefitCould encourage adoption or funding of non-chemical or targeted livestock-protection and wildlife-management alternativ…
Likely burdened
  • Local governmentsCould increase regulatory and operational burdens and short-term costs for Federal, State, and local agencies required…
  • Potential burdenMay impose economic costs on ranchers and others who rely on M–44s for predator control on or adjacent to public lands…
  • Federal agenciesCould reduce revenue for manufacturers, distributors, and contractors who supply, service, or deploy M–44 devices on pu…
03 · Why people split

Why the argument around this bill splits.

Public-safety and wildlife-protection vs. livestock-protection and multiple-use management: liberals emphasize safety and nontarget harm; conservatives emphasize tools for protecting livestock on and near public lands.
Progressive90%

A mainstream liberal/left-leaning person would likely view the bill positively as a necessary public-health and wildlife-protection measure that closes public land to a broadly hazardous, indiscriminate killing device.

They would point to the bill’s findings about human exposures, family pets, nontarget wildlife mortality, endangered species risk, and the EPA’s acute-toxicity classification as justification.

They would likely see the 30-day removal requirement as an appropriately urgent step but may want the law to go further (for example extending restrictions to private land or adding stronger enforcement and funding for non-lethal alternatives).

Leans supportive
Centrist65%

A centrist/moderate would likely view the bill as a reasonable safety-focused restriction with sensible immediate goals but would have practical reservations about implementation and tradeoffs.

They would appreciate the public-safety and endangered-species rationale in the findings, while asking for clearer implementation guidance, cost estimates, and assurances that livestock protection and agency operational needs can be met.

They would likely favor the ban on public land as a first step if accompanied by funding, monitoring, and engagement with affected stakeholders (ranchers, state wildlife agencies).

Split reaction
Conservative20%

A mainstream conservative would likely be skeptical of a federal ban that constrains a predator-control tool used in some parts of the West, viewing it as federal overreach onto activities tied to livestock protection and multiple-use management on public lands.

They would stress concerns about ranchers’ ability to protect livestock and property, the absence of discussion about alternative tools or compensation, and the rapid 30-day removal deadline.

They would also raise federalism concerns because the bill restricts tools that states, tribes, or private landowners might deem necessary and does not coordinate with state wildlife-damage programs.

Likely resistant
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 likelihood45/100

On content alone this is a narrow, administratively straightforward ban addressing a specific public‑safety and wildlife concern, which can attract advocates across environmental and public‑safety lines. However, it touches a sensitive policy area for western and rural stakeholders (predator control on public lands), contains no compensating measures, and has a tight removal deadline—factors that increase political resistance. The absence of funding and enforcement detail simplifies enactment technically but also leaves practical implementation questions unresolved, making it less likely to clear the Senate without changes or attachments to larger bills.

Scope and complexity
24%
Scopenarrow
24%
Complexitylow
Why this could stall
  • Whether affected State and county agencies, ranching organizations, and relevant regional delegations will mount organized opposition or support—this will materially affect floor dynamics.
  • No cost estimate or appropriation language is included; uncertainty exists about how agencies will fund and implement the 30‑day removal requirement and whether Congress would need to provide resources.
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

Public-safety and wildlife-protection vs. livestock-protection and multiple-use management: liberals emphasize safety and nontarget harm; c…

On content alone this is a narrow, administratively straightforward ban addressing a specific public‑safety and wildlife concern, which can…

Unlocked analysis

Relative to its intended legislative type, this bill establishes a clear substantive prohibition on M–44 devices on public land and requires their removal within a tight deadline, with defined terms and an evidentiary F…

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
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