# Hawaii SB 547: RELATING TO WATER CONSERVATION.

Hawaii SB 547, RELATING TO WATER CONSERVATION., is a 2025–2026 Regular Session (Year 1) Senate bill sponsored by Mike Gabbard (Democratic); status in committee, last action 2025-02-14 (Reported from AEN/PSM/EDT (Stand. Com. Rep. No. 635) with recommendation of passage on Second Reading, as amended (SD 1) and referral to WAM.) (as of 2026-10-17).

- Canonical: https://policyrisk.com/state-bill/HI-SB547-2025
- As of: 2026-10-17
- Plain-text twin of the page above; the HTML and this file carry the same facts.

## Facts
- Bill: Hawaii SB 547
- State: Hawaii
- Session: 2025–2026 Regular Session (Year 1)
- Title: RELATING TO WATER CONSERVATION.
- Status: in committee
- Chamber: Senate
- Introduced: 2025-01-17
- Last action: 2025-02-14, Reported from AEN/PSM/EDT (Stand. Com. Rep. No. 635) with recommendation of passage on Second Reading, as amended (SD 1) and referral to WAM.
- Sponsor: Mike Gabbard (Democratic)
- Cosponsors: 6
- Subjects: DOTAX, DBEDT, Water Conservation, Water Conservation Income Tax Credit, Graywater Recycling Systems, Atmospheric Water Generators, Rebate Program, State Building Code Council, Water Efficiency and Sanitation Standard, AEN/PSM/EDT, WAM
- Touches household money: no
- Economic provisions PRIA read: 0

## Summary

Incentivizes the installation and use of gray water recycling systems and atmospheric water generators in the State by establishing an income tax credit to be administered by the Department of Taxation. Requires the Department of Business, Economic Development, and Tourism to establish a rebate program. Requires the State Building Code Council to adopt certain standards on gray water recycling systems and atmospheric water generators in the State. Effective 7/1/2050. (SD1)

## Bill overview

No economic impacts identified for this bill.

## Sponsors and cosponsors

- Sponsor: Mike Gabbard (Democratic), Senate
- Cosponsor: Stanley Chang (Democratic), Senate
- Cosponsor: Troy N. Hashimoto (Democratic), Senate
- Cosponsor: Angus L.K. McKelvey (Democratic), Senate
- Cosponsor: Karl Rhoads (Democratic), Senate
- Cosponsor: Herbert M. "Tim" Richards III (Democratic), Senate
- Cosponsor: SAN BUENAVENTURA

## Actions (11)

- 2025-02-14: Reported from AEN/PSM/EDT (Stand. Com. Rep. No. 635) with recommendation of passage on Second Reading, as amended (SD 1) and referral to WAM. (Senate)
- 2025-02-14: Report adopted; Passed Second Reading, as amended (SD 1) and referred to WAM. (Senate)
- 2025-02-12: The committee(s) on AEN recommend(s) that the measure be PASSED, WITH AMENDMENTS. The votes in AEN were as follows: 5 Aye(s): Senator(s) Gabbard, Richards, DeCoite, Rhoads, Awa; Aye(s) with reservations: none ; 0 No(es): none; and 0 Excused: none. (Senate)
- 2025-02-12: The committee(s) on PSM recommend(s) that the measure be PASSED, WITH AMENDMENTS. The votes in PSM were as follows: 4 Aye(s): Senator(s) Elefante, Wakai, Rhoads, DeCorte; Aye(s) with reservations: none ; 0 No(es): none; and 1 Excused: Senator(s) Fukunaga. (Senate)
- 2025-02-12: The committee(s) on EDT recommend(s) that the measure be PASSED, WITH AMENDMENTS. The votes in EDT were as follows: 3 Aye(s): Senator(s) DeCoite, Wakai, Awa; Aye(s) with reservations: none ; 0 No(es): none; and 2 Excused: Senator(s) Fukunaga, Kim. (Senate)
- 2025-02-10: The committee(s) on PSM deferred the measure until 02-12-25 3:01PM; Conference Room 225 & Videoconference. (Senate)
- 2025-02-10: The committee(s) on AEN/EDT deferred the measure until 02-12-25 1:00PM; CR 224 & Videoconference. (Senate)
- 2025-02-07: The committee(s) on AEN/PSM/EDT has scheduled a public hearing on 02-10-25 1:00PM; Conference Room 224 & Videoconference. (Senate)
- 2025-01-21: Referred to AEN/PSM/EDT, WAM. (Senate)
- 2025-01-17: Introduced. (Senate)
- 2025-01-17: Passed First Reading. (Senate)

## Bill text

- Bill Text: [PDF](https://data.capitol.hawaii.gov/sessions/session2025/bills/SB547_SD1_.pdf)
- Original: [HTML](https://data.capitol.hawaii.gov/sessions/session2025/bills/SB547_.HTM), [PDF](https://data.capitol.hawaii.gov/sessions/session2025/bills/SB547_.PDF)
- SB547_SD1: [HTML](https://data.capitol.hawaii.gov/sessions/session2025/bills/SB547_SD1_.HTM)

## Related bills

- SB 572: RELATING TO HOUSING. (signed)
- HB 431: RELATING TO HOUSING. (signed)
- HB 420: RELATING TO REMEDIES. (signed)
- SB 1296: RELATING TO DISASTER RECOVERY. (signed)
- HB 830: RELATING TO HISTORIC PRESERVATION REVIEWS. (signed)
- HB 1064: RELATING TO FIRE PROTECTION. (signed)

## Sources
- [Bill Text (PDF)](https://data.capitol.hawaii.gov/sessions/session2025/bills/SB547_SD1_.pdf)
- [Original (HTML)](https://data.capitol.hawaii.gov/sessions/session2025/bills/SB547_.HTM)
- [Original (PDF)](https://data.capitol.hawaii.gov/sessions/session2025/bills/SB547_.PDF)
- [SB547_SD1 (HTML)](https://data.capitol.hawaii.gov/sessions/session2025/bills/SB547_SD1_.HTM)

## Related
- [SB 572: RELATING TO HOUSING.](https://policyrisk.com/state-bill/HI-SB572-2025)
- [HB 431: RELATING TO HOUSING.](https://policyrisk.com/state-bill/HI-HB431-2025)
- [HB 420: RELATING TO REMEDIES.](https://policyrisk.com/state-bill/HI-HB420-2025)
- [SB 1296: RELATING TO DISASTER RECOVERY.](https://policyrisk.com/state-bill/HI-SB1296-2025)
- [HB 830: RELATING TO HISTORIC PRESERVATION REVIEWS.](https://policyrisk.com/state-bill/HI-HB830-2025)
- [HB 1064: RELATING TO FIRE PROTECTION.](https://policyrisk.com/state-bill/HI-HB1064-2025)
- [Hawaii bills](https://policyrisk.com/states/hawaii/bills)
- [Hawaii state hub](https://policyrisk.com/states/hawaii)
- [All state legislation](https://policyrisk.com/state-bills)

Source: PRIA, https://policyrisk.com/state-bill/HI-SB547-2025 (as of 2026-10-17).