IIB
119th CONGRESS
1st Session
H. R. 900
IN THE SENATE OF THE UNITED STATES
July 15, 2025
Received; read twice and referred to the Committee on Energy and Natural Resources
AN ACT
To direct the Director of the United States Geological Survey to establish a program to map zones that are at greater risk of sinkhole formation, and for other purposes.
Short title
This Act may be cited as the Sinkhole Mapping Act of 2025
.
Sinkhole hazard identification
In general
Subject to the availability of appropriations made in advance for such purpose, the Director of the United States Geological Survey shall establish a program to—
study the short-term and long-term mechanisms that cause sinkholes, including extreme storm events, prolonged droughts causing shifts in water management practices, aquifer depletion, and other major changes in water use; and
develop maps that depict zones that are at greater risk of sinkhole formation.
Use of certain data
In developing maps under subsection (a)(2), the Director of the United States Geological Survey shall utilize 3D elevation data (as that term is defined in section 2 of the National Landslide Preparedness Act (43 U.S.C. 3101)) collected pursuant to section 5 of that Act (43 U.S.C. 3104).
Review of maps
Once during each 5-year period, or more often as the Director of the United States Geological Survey determines is necessary, the Director shall assess the need to revise and update the maps developed under this section.
Website
The Director of the United States Geological Survey shall establish and maintain a public website that displays the maps developed under this section and other relevant information critical for use by community planners and emergency managers.
Passed the House of Representatives July 14, 2025.
Kevin F. McCumber,
Clerk.