- 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.
Sinkhole Mapping Act of 2025
Received in the Senate and Read twice and referred to the Committee on Energy and Natural Resources.
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.
Supporters emphasize public-safety and climate-linked risk study
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.
Technically focused, low-controversy bill with manageable cost drivers; final outcome depends on appropriations and legislative scheduling.
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.
Supporters emphasize public-safety and climate-linked risk study
Who stands to gain, and who may push back.
These are examples from the analysis, not a ranked list of the most-affected groups.
- 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.
Why the argument around this bill splits.
Supporters emphasize public-safety and climate-linked risk study
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.
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.
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.
The path through Congress.
Reached or meaningfully advanced
Reached or meaningfully advanced
Still ahead
Still ahead
Still ahead
Technically focused, low-controversy bill with manageable cost drivers; final outcome depends on appropriations and legislative scheduling.
- Whether Congress will appropriate funds to implement the program
- Absence of a cost estimate or estimated timeline in the text
Recent votes on the bill.
No vote history yet
The bill has not accumulated any surfaced votes yet.
Go deeper than the headline read.
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.
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.