H.R. 900 (119th)Bill Overview

Sinkhole Mapping Act of 2025

Emergency Management|Emergency ManagementEmergency planning and evacuation
Cosponsors
Support
Democratic
Introduced
Jan 31, 2025
Discussions
Bill Text
Current stageCommittee

Received in the Senate and Read twice and referred to the Committee on Energy and Natural Resources.

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

Directs the USGS, subject to appropriations, to create a program studying sinkhole causes and to map zones at greater sinkhole risk. Requires use of 3D elevation data from the National Landslide Preparedness Act, periodic review at least every five years, and a public website displaying maps and relevant information for planners and emergency managers.

Why people may split

Supporters emphasize public-safety and climate-linked risk study

Watch point

Relative to its intended legislative type, this bill establishes a clear administrative directive for USGS to study sinkhole causes and produce public risk maps, with basic links to existing data authorities and minimal operational scaffolding.

Directs the USGS, subject to appropriations, to create a program studying sinkhole causes and to map zones at greater sinkhole risk.

Requires use of 3D elevation data from the National Landslide Preparedness Act, periodic review at least every five years, and a public website displaying maps and relevant information for planners and emergency managers.

Passage50/100

Technically focused, low-controversy bill with manageable cost drivers; final outcome depends on appropriations and legislative scheduling.

CredibilityPartially aligned

Relative to its intended legislative type, this bill establishes a clear administrative directive for USGS to study sinkhole causes and produce public risk maps, with basic links to existing data authorities and minimal operational scaffolding.

Contention60/100

Supporters emphasize public-safety and climate-linked risk study

02 · What it does

Who stands to gain, and who may push back.

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

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

Likely helped
  • Local governmentsImproves local planning and emergency preparedness by providing accessible sinkhole risk maps.
  • Potential benefitMay reduce future property and infrastructure damage through risk-informed siting and mitigation.
  • Federal agenciesAdvances scientific understanding of sinkhole drivers via federal studies of mechanisms.
Likely burdened
  • Federal agenciesAdds recurring federal costs for mapping, updates, and website maintenance absent new appropriations.
  • Potential burdenMaps could depress property values or raise insurance premiums in identified high-risk areas.
  • Local governmentsMay prompt state or local land-use restrictions, increasing permitting and compliance burdens.
03 · Why people split

Why the argument around this bill splits.

Supporters emphasize public-safety and climate-linked risk study
Progressive90%

Likely supportive because the bill advances hazard science, public data, and climate-linked risk understanding.

Would expect the program to prioritize vulnerable communities and fund mitigation planning alongside mapping.

Leans supportive
Centrist70%

Generally favorable if implemented efficiently and affordably.

Views the bill as a practical, data-driven tool for planners, but wants clarity on costs, interagency coordination, and avoidance of duplicative mapping.

Leans supportive
Conservative40%

Cautious or somewhat skeptical due to increased federal activity and cost concerns.

Might accept mapping as informational but worries about federal overreach, property impacts, and mandates downstream.

Split reaction
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 likelihood50/100

Technically focused, low-controversy bill with manageable cost drivers; final outcome depends on appropriations and legislative scheduling.

Scope and complexity
24%
Scopenarrow
24%
Complexitylow
Why this could stall
  • Whether Congress will appropriate funds to implement the program
  • Absence of a cost estimate or estimated timeline in the text
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

Supporters emphasize public-safety and climate-linked risk study

Technically focused, low-controversy bill with manageable cost drivers; final outcome depends on appropriations and legislative scheduling.

Unlocked analysis

Relative to its intended legislative type, this bill establishes a clear administrative directive for USGS to study sinkhole causes and produce public risk maps, with basic links to existing data authorities and minimal…

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