# Indiana SB 477: Low head dams.

Indiana SB 477, Low head dams., is a First Regular Session 124th General Assembly (2025) Senate bill sponsored by Justin Busch (Republican); status signed, last action 2025-04-01 (Signed by the Governor) (as of 2026-10-17).

- Canonical: https://policyrisk.com/state-bill/IN-SB477-2025
- As of: 2026-10-17
- Plain-text twin of the page above; the HTML and this file carry the same facts.

## Facts
- Bill: Indiana SB 477
- State: Indiana
- Session: First Regular Session 124th General Assembly (2025)
- Title: Low head dams.
- Status: signed
- Chamber: Senate
- Introduced: 2025-01-13
- Last action: 2025-04-01, Signed by the Governor
- Sponsor: Justin Busch (Republican)
- Cosponsors: 5
- Subjects: natural resources, the house
- Touches household money: no
- Roll calls: 2 (140 yes, 0 no in all)
- Economic provisions PRIA read: 0

## Summary

Provides that the state does not assume ownership of or responsibility for a low head dam that is not listed as owned by the state on the department of natural resources' (department) low head dam roster (roster). Permits a person to remove without a permit certain low head dams that are located on a navigable waterway and that are encroachments. Requires the department to establish warning sign standards and requirements for low head dams that are on the roster. Allows for a bond of $1,000,000 to serve as proof of financial responsibility for a person that owns a low head dam. Provides that a permit issued by the director after January 1, 2021, for the removal of a low head dam does not expire until two years after certain judicial appeal processes are complete.

## Bill overview

No economic impacts identified for this bill.

## Sponsors and cosponsors

- Sponsor: Justin Busch (Republican), Senate
- Cosponsor: David Abbott (Republican), House
- Cosponsor: Edward Clere (Republican), House
- Cosponsor: Ethan Manning (Republican), House
- Cosponsor: Pat Boy
- Cosponsor: Susan Glick (Republican), Senate

## Roll call votes

| Date | Chamber | Motion | Result | Yes | No | Other |
| --- | --- | --- | --- | --- | --- | --- |
| 2025-03-20 | House | Third reading: passed | pass | 91 | 0 |   |
| 2025-02-04 | Senate | Third reading: passed | pass | 49 | 0 |   |

## Actions (21)

- 2025-04-01: Signed by the Governor (Senate)
- 2025-04-01: Public Law 14 (Senate)
- 2025-03-27: Signed by the President of the Senate (Senate)
- 2025-03-24: Signed by the President Pro Tempore (Senate)
- 2025-03-24: Signed by the Speaker (House)
- 2025-03-21: Returned to the Senate without amendments (House)
- 2025-03-20: Third reading: passed; Roll Call 294: yeas 91, nays 0 (House)
- 2025-03-17: Second reading: ordered engrossed (House)
- 2025-03-17: Representative Abbott added as cosponsor (House)
- 2025-03-17: Representative Boy added as cosponsor (House)
- 2025-03-13: Committee report: do pass, adopted (House)
- 2025-03-03: First reading: referred to Committee on Natural Resources (House)
- 2025-02-05: Referred to the House (Senate)
- 2025-02-04: Third reading: passed; Roll Call 76: yeas 49, nays 0 (Senate)
- 2025-02-04: Cosponsor: Representative Clere (Senate)
- 2025-02-04: House sponsor: Representative Manning (Senate)
- 2025-02-03: Senator Glick added as second author (Senate)
- 2025-02-03: Second reading: ordered engrossed (Senate)
- 2025-01-28: Committee report: amend do pass, adopted (Senate)
- 2025-01-13: First reading: referred to Committee on Natural Resources (Senate)
- 2025-01-13: Authored by Senator Busch (Senate)

## Bill text

- Enrolled Senate Bill (S): [PDF](https://api.iga.in.gov/2025/bills/SB0477/versions/SB0477.04.ENRH?format=pdf)
- Introduced Senate Bill (S): [PDF](https://api.iga.in.gov/2025/bills/SB0477/versions/SB0477.01.INTR?format=pdf)
- Senate Bill (H): [PDF](https://api.iga.in.gov/2025/bills/SB0477/versions/SB0477.02.COMS?format=pdf)
- Senate Bill (S): [PDF](https://api.iga.in.gov/2025/bills/SB0477/versions/SB0477.03.COMH?format=pdf)

## Related bills

- SB 324: Criminal procedures. (signed)
- SB 231: Various corrections matters. (signed)
- SB 80: Code publication. (signed)
- SB 453: Various tax matters. (signed)
- SB 464: Financial institutions and consumer credit. (signed)
- SB 371: Workforce matters. (signed)

## Sources
- [Enrolled Senate Bill (S) (PDF)](https://api.iga.in.gov/2025/bills/SB0477/versions/SB0477.04.ENRH?format=pdf)
- [Introduced Senate Bill (S) (PDF)](https://api.iga.in.gov/2025/bills/SB0477/versions/SB0477.01.INTR?format=pdf)
- [Senate Bill (H) (PDF)](https://api.iga.in.gov/2025/bills/SB0477/versions/SB0477.02.COMS?format=pdf)
- [Senate Bill (S) (PDF)](https://api.iga.in.gov/2025/bills/SB0477/versions/SB0477.03.COMH?format=pdf)

## Related
- [SB 324: Criminal procedures.](https://policyrisk.com/state-bill/IN-SB324-2025)
- [SB 231: Various corrections matters.](https://policyrisk.com/state-bill/IN-SB231-2025)
- [SB 80: Code publication.](https://policyrisk.com/state-bill/IN-SB80-2025)
- [SB 453: Various tax matters.](https://policyrisk.com/state-bill/IN-SB453-2025)
- [SB 464: Financial institutions and consumer credit.](https://policyrisk.com/state-bill/IN-SB464-2025)
- [SB 371: Workforce matters.](https://policyrisk.com/state-bill/IN-SB371-2025)
- [Indiana bills](https://policyrisk.com/states/indiana/bills)
- [Indiana state hub](https://policyrisk.com/states/indiana)
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Source: PRIA, https://policyrisk.com/state-bill/IN-SB477-2025 (as of 2026-10-17).