United States 119th Congress Status: Passed House Bipartisan · 7 D · 2 R cosponsors

HR 900 — Sinkhole Mapping Act of 2025

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

  1. ✓
    Introduced
  2. ✓
    In Committee
  3. 3
    Passed House
  4. 4
    Passed Senate
  5. 5
    To Executive
  6. 6
    Enacted

This bill has passed the House. Introduced January 31, 2025. It now moves to the second chamber.

Next likely step: consideration and a floor vote in the Senate.

Odds of enactment

Moderate chance

Based on the sponsor, cosponsors, and committee posture, this bill has a moderate chance of becoming law.

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A statistical estimate from our own model of past outcomes — an insight, not a guarantee. Policymaking is volatile.

Prognosis

Advancing 54% · moderate confidence

  • Passed House

    Current position in the legislative process.

  • 9 sponsors

    1 primary, 8 co-sponsors signed on.

  • Bipartisan support

    Sponsored across 2 parties (7 D · 2 R) — cross-party backing.

Based on stage, sponsorship breadth, committee status, recorded votes, and cross-state momentum — a description of the observable signals, not a prediction.

Summary

Sinkhole Mapping Act of 2025This bill directs the U.S. Geological Survey (USGS) to establish a program tostudy 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; anddevelop maps, using three-dimensional elevation data, that depict zones that are at greater risk of forming sinkholes.The USGS must establish a public website that displays such maps and other relevant information critical for use by community planners and emergency managers.

Bill Text

What changed in the latest version

6 added · 1 removed

Plain-language change summary

The changes indicate that H.R. 900 has been received in the Senate, read twice, and referred to the Committee on Energy and Natural Resources. This marks the transition of the bill from the House to the Senate for further consideration. The removed line reflects the previous status of the bill as engrossed in the House, indicating it has completed a step in the legislative process.

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900 Engrossed in House (EH)] <DOC> 119th CONGRESS 1st Session H.
900 Referred in Senate (RFS)] <DOC> 119th CONGRESS 1st Session H.
900 _______________________________________________________________________ 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.
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.
Clerk.
KEVIN F.
119th CONGRESS 1st Session H.
MCCUMBER, Clerk.
R.
900 _______________________________________________________________________ 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.
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What Congress says this changes

H. Rept. 119-182

Published by the reporting committee Not generated — this is the committee's own “Changes in Existing Law Made by the Bill, as Reported”.

The committee states that this bill does not amend existing law. (H. Rept. 119-182)

Source: H. Rept. 119-182 · govinfo

Action History

  1. Introduced in House

  2. Introduced in House

  3. Referred to the House Committee on Natural Resources.

  4. Committee Consideration and Mark-up Session Held

  5. Ordered to be Reported in the Nature of a Substitute by Unanimous Consent.

  6. Reported (Amended) by the Committee on Natural Resources. H. Rept. 119-182.

  7. Reported (Amended) by the Committee on Natural Resources. H. Rept. 119-182.

  8. Placed on the Union Calendar, Calendar No. 147.

  9. Mr. Westerman moved to suspend the rules and pass the bill, as amended.

  10. Considered under suspension of the rules. (consideration: CR H3223-3224)

  11. DEBATE - The House proceeded with forty minutes of debate on H.R. 900.

  12. Passed/agreed to in House: On motion to suspend the rules and pass the bill, as amended Agreed to by voice vote.

  13. On motion to suspend the rules and pass the bill, as amended Agreed to by voice vote. (text: CR H3223)

  14. Motion to reconsider laid on the table Agreed to without objection.

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

Sponsors

Sponsorship breakdown

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1 sponsors · 8 co-sponsors · 538 not signed on

Sponsors (1)

Co-sponsors (8)

Not signed on (538)

538 members have not signed on to this bill.

Show all 538 →

"Not signed on" means a member has not sponsored or co-sponsored this bill — it does not imply opposition. Members flagged Voted No have a recorded No vote on this bill.

Whip count is in markup. Polling the chamber and every recorded vote this session. Only the first open is slow. It’s instant for you after this. Calling the roll · Tallying · Engrossing

Subjects

public-safety environment technology
Cross-referencing the record. Reading this bill against every other bill in the corpus by meaning, not keywords. Only the first open is slow. It’s instant for you after this. Matching · Ranking · Engrossing

Frequently asked questions

What does HR 900 do?
Sinkhole Mapping Act of 2025This bill directs the U.S. Geological Survey (USGS) to establish a program tostudy 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; anddevelop maps, using three-dimensional elevation data, that depict zones that are at greater risk of forming sinkholes.The USGS must establish a public website that displays such maps and other relevant information critical for use by community planners and emergency managers.
Who sponsors HR 900?
HR 900 is sponsored by Bilirakis, Gus M. (Republican), Frost, Maxwell (Democratic), Castor, Kathy (Democratic), Wilson, Frederica S. (Democratic), Costa, Jim (Democratic), Harder, Josh (Democratic), Fitzpatrick, Brian K. (Republican), Bell, Wesley (Democratic), and Soto, Darren (Democratic).
What is the current status of HR 900?
This bill has passed the House. Introduced January 31, 2025. It now moves to the second chamber.
Where can I track HR 900?
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