# Indiana SB 459: Environmental matters.

Indiana SB 459, Environmental matters., is a First Regular Session 124th General Assembly (2025) Senate bill sponsored by Rick Niemeyer (Republican); status signed, last action 2025-05-01 (Signed by the Governor) (as of 2026-10-17).

- Canonical: https://policyrisk.com/state-bill/IN-SB459-2025
- 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 459
- State: Indiana
- Session: First Regular Session 124th General Assembly (2025)
- Title: Environmental matters.
- Status: signed
- Chamber: Senate
- Introduced: 2025-01-13
- Last action: 2025-05-01, Signed by the Governor
- Sponsor: Rick Niemeyer (Republican)
- Cosponsors: 7
- Subjects: environmental affairs, the house
- Touches household money: no
- Roll calls: 3 (182 yes, 0 no in all)
- Economic provisions PRIA read: 0

## Summary

Provides that the environmental rules board may adopt rules establishing requirements for the reclamation and reuse of treated wastewater. Requires certain entities to: (1) conduct an annual public water system cybersecurity vulnerability assessment; (2) annually provide the office of technology with the name and contact information of any individual who will act as the primary reporter of a cybersecurity incident; (3) submit an annual certification to the department of environmental management via a secured portal verifying certain information; and (4) when an actual or suspected cybersecurity breach occurs, report the incident to the office of technology.

## Bill overview

No economic impacts identified for this bill.

## Sponsors and cosponsors

- Sponsor: Rick Niemeyer (Republican), Senate
- Cosponsor: Andy Zay
- Cosponsor: Beau Baird (Republican), House
- Cosponsor: Carolyn Jackson (Democratic), House
- Cosponsor: Justin Busch (Republican), Senate
- Cosponsor: Kyle Pierce (Republican), House
- Cosponsor: Lonnie Randolph (Democratic), Senate
- Cosponsor: Sue Errington (Democratic), House

## Roll call votes

| Date | Chamber | Motion | Result | Yes | No | Other |
| --- | --- | --- | --- | --- | --- | --- |
| 2025-04-16 | Senate | Senate concurred with House amendments | pass | 39 | 0 |   |
| 2025-04-09 | House | Third reading: passed | pass | 95 | 0 |   |
| 2025-02-11 | Senate | Third reading: passed | pass | 48 | 0 |   |

## Actions (25)

- 2025-05-01: Signed by the Governor (Senate)
- 2025-05-01: Public Law 139 (Senate)
- 2025-04-23: Signed by the President of the Senate (Senate)
- 2025-04-22: Signed by the Speaker (House)
- 2025-04-17: Signed by the President Pro Tempore (Senate)
- 2025-04-16: Senate concurred with House amendments; Roll Call 463: yeas 39, nays 0 (Senate)
- 2025-04-14: Motion to concur filed (Senate)
- 2025-04-10: Returned to the Senate with amendments (House)
- 2025-04-09: Third reading: passed; Roll Call 414: yeas 95, nays 0 (House)
- 2025-04-07: Second reading: ordered engrossed (House)
- 2025-04-07: Representative Jackson C added as cosponsor (House)
- 2025-04-03: Committee report: amend do pass, adopted (House)
- 2025-04-03: Representative Pierce K added as cosponsor (House)
- 2025-04-03: Representative Errington added as cosponsor (House)
- 2025-03-03: First reading: referred to Committee on Environmental Affairs (House)
- 2025-02-12: Referred to the House (Senate)
- 2025-02-11: Third reading: passed; Roll Call 111: yeas 48, nays 0 (Senate)
- 2025-02-11: House sponsor: Representative Baird (Senate)
- 2025-02-06: Second reading: ordered engrossed (Senate)
- 2025-02-06: Senator Randolph added as coauthor (Senate)
- 2025-02-04: Senator Busch added as second author (Senate)
- 2025-02-04: Committee report: amend do pass, adopted (Senate)
- 2025-02-04: Senator Zay added as third author (Senate)
- 2025-01-13: Authored by Senator Niemeyer (Senate)
- 2025-01-13: First reading: referred to Committee on Environmental Affairs (Senate)

## Bill text

- Enrolled Senate Bill (S): [PDF](https://api.iga.in.gov/2025/bills/SB0459/versions/SB0459.04.ENRH?format=pdf)
- Introduced Senate Bill (S): [PDF](https://api.iga.in.gov/2025/bills/SB0459/versions/SB0459.01.INTR?format=pdf)
- Senate Bill (H): [PDF](https://api.iga.in.gov/2025/bills/SB0459/versions/SB0459.02.COMS?format=pdf)
- Senate Bill (S): [PDF](https://api.iga.in.gov/2025/bills/SB0459/versions/SB0459.03.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/SB0459/versions/SB0459.04.ENRH?format=pdf)
- [Introduced Senate Bill (S) (PDF)](https://api.iga.in.gov/2025/bills/SB0459/versions/SB0459.01.INTR?format=pdf)
- [Senate Bill (H) (PDF)](https://api.iga.in.gov/2025/bills/SB0459/versions/SB0459.02.COMS?format=pdf)
- [Senate Bill (S) (PDF)](https://api.iga.in.gov/2025/bills/SB0459/versions/SB0459.03.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)
- [All state legislation](https://policyrisk.com/state-bills)

Source: PRIA, https://policyrisk.com/state-bill/IN-SB459-2025 (as of 2026-10-17).