# Indiana HB 1037: Storm water management.

Indiana HB 1037, Storm water management., is a First Regular Session 124th General Assembly (2025) House bill sponsored by Doug Miller (Republican); status signed, last action 2025-05-01 (Signed by the Governor) (as of 2026-10-17).

- Canonical: https://policyrisk.com/state-bill/IN-HB1037-2025
- As of: 2026-10-17
- Plain-text twin of the page above; the HTML and this file carry the same facts.

## Facts
- Bill: Indiana HB 1037
- State: Indiana
- Session: First Regular Session 124th General Assembly (2025)
- Title: Storm water management.
- Status: signed
- Chamber: House
- Introduced: 2025-01-08
- Last action: 2025-05-01, Signed by the Governor
- Sponsor: Doug Miller (Republican)
- Cosponsors: 2
- Subjects: environmental affairs, the senate
- Touches household money: no
- Roll calls: 3 (164 yes, 62 no in all)
- Economic provisions PRIA read: 0

## Summary

Provides that a unit does not have the power to adopt a law, rule, ordinance, or regulation that is more stringent than or exceeds in any manner the requirements of the department of environmental management's (IDEM) construction stormwater general permit (CSGP). Provides that if a law, rule, ordinance, or regulation is more stringent than or exceeds the CSGP, then: (1) the law, rule, ordinance, or regulation is void; and (2) the unit must continue to discharge its duties under IDEM's CSGP program. Provides that a unit or IDEM may under certain circumstances: (1) issue a written warning to a person engaging in land disturbing activities; and (2) issue a stop work order for the site. Makes conforming changes.

## Bill overview

No economic impacts identified for this bill.

## Sponsors and cosponsors

- Sponsor: Doug Miller (Republican), House
- Cosponsor: Blake Doriot (Republican), Senate
- Cosponsor: Linda Rogers (Republican), Senate

## Roll call votes

| Date | Chamber | Motion | Result | Yes | No | Other |
| --- | --- | --- | --- | --- | --- | --- |
| 2025-04-17 | House | House concurred with Senate amendments | pass | 68 | 20 |   |
| 2025-04-15 | Senate | Third reading: passed | pass | 31 | 18 |   |
| 2025-02-04 | House | Third reading: passed | pass | 65 | 24 |   |

## Actions (22)

- 2025-05-01: Signed by the Governor (House)
- 2025-05-01: Public Law 150 (House)
- 2025-04-23: Signed by the President of the Senate (Senate)
- 2025-04-22: Signed by the President Pro Tempore (Senate)
- 2025-04-21: Signed by the Speaker (House)
- 2025-04-17: House concurred with Senate amendments; Roll Call 479: yeas 68, nays 20 (House)
- 2025-04-16: Returned to the House with amendments (Senate)
- 2025-04-16: Motion to concur filed (House)
- 2025-04-15: Third reading: passed; Roll Call 425: yeas 31, nays 18 (Senate)
- 2025-04-10: Second reading: ordered engrossed (Senate)
- 2025-04-08: Committee report: amend do pass, adopted (Senate)
- 2025-04-07: Senator Rogers added as second sponsor (Senate)
- 2025-02-18: First reading: referred to Committee on Environmental Affairs (Senate)
- 2025-02-05: Referred to the Senate (House)
- 2025-02-04: Senate sponsor: Senator Doriot (House)
- 2025-02-04: Third reading: passed; Roll Call 77: yeas 65, nays 24 (House)
- 2025-02-03: Second reading: ordered engrossed (House)
- 2025-01-30: Committee report: do pass, adopted (House)
- 2025-01-09: Representative Miller D added as author (House)
- 2025-01-09: Representative Morrison removed as author (House)
- 2025-01-08: First reading: referred to Committee on Environmental Affairs (House)
- 2025-01-08: Authored by Representative Morrison (House)

## Bill text

- Enrolled House Bill (H): [PDF](https://api.iga.in.gov/2025/bills/HB1037/versions/HB1037.04.ENRS?format=pdf)
- House Bill (H): [PDF](https://api.iga.in.gov/2025/bills/HB1037/versions/HB1037.03.COMS?format=pdf)
- House Bill (S): [PDF](https://api.iga.in.gov/2025/bills/HB1037/versions/HB1037.02.COMH?format=pdf)
- Introduced House Bill (H): [PDF](https://api.iga.in.gov/2025/bills/HB1037/versions/HB1037.01.INTR?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 House Bill (H) (PDF)](https://api.iga.in.gov/2025/bills/HB1037/versions/HB1037.04.ENRS?format=pdf)
- [House Bill (H) (PDF)](https://api.iga.in.gov/2025/bills/HB1037/versions/HB1037.03.COMS?format=pdf)
- [House Bill (S) (PDF)](https://api.iga.in.gov/2025/bills/HB1037/versions/HB1037.02.COMH?format=pdf)
- [Introduced House Bill (H) (PDF)](https://api.iga.in.gov/2025/bills/HB1037/versions/HB1037.01.INTR?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-HB1037-2025 (as of 2026-10-17).