# Hawaii HB 735: RELATING TO WASTEWATER.

Hawaii HB 735, RELATING TO WASTEWATER., is a 2025–2026 Regular Session (Year 1) House bill sponsored by Luke A. Evslin (Democratic); status signed, last action 2025-06-25 (Act 224, 06/25/2025 (Gov. Msg. No. 1326).) (as of 2026-10-27).

- Canonical: https://policyrisk.com/state-bill/HI-HB735-2025
- As of: 2026-10-27
- Plain-text twin of the page above; the HTML and this file carry the same facts.

## Facts
- Bill: Hawaii HB 735
- State: Hawaii
- Session: 2025–2026 Regular Session (Year 1)
- Title: RELATING TO WASTEWATER.
- Status: signed
- Chamber: House
- Introduced: 2025-01-17
- Last action: 2025-06-25, Act 224, 06/25/2025 (Gov. Msg. No. 1326).
- Sponsor: Luke A. Evslin (Democratic)
- Cosponsors: 10
- Subjects: Individual Wastewater Systems, Dwellings, Dwelling Units, Accessory Units, Cesspools, HHS/AEN, WAM
- Touches household money: no
- Roll calls: 13 (253 yes, 1 no in all)
- Economic provisions PRIA read: 0

## Summary

Allows an individual wastewater system to serve up to five bedrooms, regardless of the number of dwellings, dwelling units, or accessory units, whether attached or detached, with certain exclusions. (CD1)

## Bill overview

No economic impacts identified for this bill.

## Sponsors and cosponsors

- Sponsor: Luke A. Evslin (Democratic), House
- Cosponsor: Kirstin Kahaloa (Democratic), House
- Cosponsor: Nicole E. Lowen (Democratic), House
- Cosponsor: Lisa Marten (Democratic), House
- Cosponsor: Lauren Matsumoto (Republican), House
- Cosponsor: Tyson K. Miyake (Democratic), House
- Cosponsor: Dee Morikawa (Democratic), House
- Cosponsor: Nadine K. Nakamura (Democratic), House
- Cosponsor: Elijah Pierick (Republican), House
- Cosponsor: David A. Tarnas (Democratic), House
- Cosponsor: Chris Todd (Democratic), House

## Roll call votes

| Date | Chamber | Motion | Result | Yes | No | Other |
| --- | --- | --- | --- | --- | --- | --- |
| 2025-04-30 | House | House Floor Vote | pass | 49 | 0 |   |
| 2025-04-30 | Senate | Senate Floor Vote | pass | 24 | 1 |   |
| 2025-04-24 | Senate | The Conference committee recommends that the measure be PASSED, WITH AMENDMENTS.... | pass | 3 | 0 |   |
| 2025-04-24 | House | The Conference Committee recommends that the measure be Passed, with Amendments.... | pass | 4 | 0 |   |
| 2025-04-03 | Senate | Senate Floor Vote | pass | 25 | 0 |   |
| 2025-03-31 | Senate | The committee(s) on WAM recommend(s) that the measure be PASSED, UNAMENDED. The... | pass | 13 | 0 |   |
| 2025-03-12 | Senate | The committee(s) on HHS recommend(s) that the measure be PASSED, WITH AMENDMENT... | pass | 5 | 0 |   |
| 2025-03-12 | Senate | The committee(s) on AEN recommend(s) that the measure be PASSED, WITH AMENDMENT... | pass | 5 | 0 |   |
| 2025-02-27 | House | House Floor Vote | pass | 47 | 0 |   |
| 2025-02-20 | House | The committee on FIN recommend that the measure be PASSED, UNAMENDED. The votes ... | pass | 14 | 0 |   |
| 2025-02-11 | House | The committee on WAL recommend that the measure be PASSED, WITH AMENDMENTS. The ... | pass | 10 | 0 |   |
| 2025-02-05 | House | Passed Second Reading as amended in HD 1 and referred to the committee(s) on WAL... | pass | 49 | 0 |   |
| 2025-01-30 | House | The committee on EEP recommend that the measure be PASSED, WITH AMENDMENTS. The ... | pass | 5 | 0 |   |

## Actions (50)

- 2025-06-25: Act 224, 06/25/2025 (Gov. Msg. No. 1326). (Senate)
- 2025-06-25: Act 224, on 06/25/2025 (Gov. Msg. No. 1326). (House)
- 2025-05-02: Received notice of passage on Final Reading in House (Hse. Com. No. 821). (Senate)
- 2025-05-01: Received notice of Final Reading (Sen. Com. No. 888). (House)
- 2025-05-01: Transmitted to Governor. (House)
- 2025-04-30: Passed Final Reading, as amended (CD 1). Ayes, 24; Aye(s) with reservations: none. Noes, 1 (Senator(s) Awa). Excused, 0 (none). (Senate)
- 2025-04-30: Passed Final Reading as amended in CD 1 with none voting aye with reservations; none voting no (0) and Representative(s) Cochran, Pierick excused (2). (House)
- 2025-04-25: Reported from Conference Committee (Conf Com. Rep. No. 224) as amended in (CD 1). (House)
- 2025-04-25: Forty-eight (48) hours notice Wednesday, 04-30-25. (House)
- 2025-04-25: Reported from Conference Committee as amended CD 1 (Conf. Com. Rep. No. 224). (Senate)
- 2025-04-25: 48 Hrs. Notice (as amended CD 1) 04-30-25 (Senate)
- 2025-04-24: The Conference committee recommends that the measure be PASSED, WITH AMENDMENTS. The votes of the Senate Conference Managers were as follows: 3 Aye(s): Senator(s) San Buenaventura, Gabbard, Hashimoto; Aye(s) with reservations: none ; 0 No(es): none; and 1 Excused: Senator(s) Fevella. (Senate)
- 2025-04-24: The Conference Committee recommends that the measure be Passed, with Amendments. The votes were as follows: 4 Ayes: Representative(s) Lowen, Takenouchi, Evslin, Alcos; Ayes with reservations: none; 0 Noes: none; and 1 Excused: Representative(s) Hashem. (House)
- 2025-04-23: Conference committee meeting to reconvene on 04-24-25 4:15PM; Conference Room 329. (Senate)
- 2025-04-22: Conference committee meeting scheduled for 04-23-25 4:15PM; Conference Room 329. (Senate)
- 2025-04-16: Senate Conferees Appointed: San Buenaventura Chair; Gabbard, Hashimoto Co-Chairs; Fevella. (Senate)
- 2025-04-16: Received notice of Senate conferees (Sen. Com. No. 810). (House)
- 2025-04-15: Received notice of appointment of House conferees (Hse. Com. No. 732). (Senate)
- 2025-04-14: House Conferees Appointed: Lowen, Hashem, Takenouchi Co-Chairs; Evslin, Alcos. (House)
- 2025-04-08: Received notice of disagreement (Hse. Com. No. 559). (Senate)
- 2025-04-04: House disagrees with Senate amendment (s). (House)
- 2025-04-03: Report Adopted; Passed Third Reading. Ayes, 25; Aye(s) with reservations: none. Noes, 0 (none). Excused, 0 (none). Transmitted to House. (Senate)
- 2025-04-03: Returned from Senate (Sen. Com. No. 552) in amended form (SD 1). (House)
- 2025-04-02: Reported from WAM (Stand. Com. Rep. No. 1522) with recommendation of passage on Third Reading. (Senate)
- 2025-04-02: One Day Notice 04-03-25. (Senate)
- 2025-03-31: The committee(s) on WAM recommend(s) that the measure be PASSED, UNAMENDED. The votes in WAM were as follows: 13 Aye(s): Senator(s) Dela Cruz, Moriwaki, Aquino, DeCoite, Elefante, Hashimoto, Inouye, Kanuha, Kidani, Kim, Lee, C., Wakai, Fevella; Aye(s) with reservations: none ; 0 No(es): none; and 0 Excused: none. (Senate)
- 2025-03-28: The committee(s) on WAM will hold a public decision making on 03-31-25 10:02AM; Conference Room 211 & Videoconference. (Senate)
- 2025-03-19: Reported from HHS/AEN (Stand. Com. Rep. No. 1164) with recommendation of passage on Second Reading, as amended (SD 1) and referral to WAM. (Senate)
- 2025-03-19: Report adopted; Passed Second Reading, as amended (SD 1) and referred to WAM. (Senate)
- 2025-03-12: The committee(s) on HHS recommend(s) that the measure be PASSED, WITH AMENDMENTS. The votes in HHS were as follows: 5 Aye(s): Senator(s) San Buenaventura, Aquino, Hashimoto, Fevella; Aye(s) with reservations: Senator(s) Keohokalole ; 0 No(es): none; and 0 Excused: none. (Senate)
- 2025-03-12: 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)
- 2025-03-07: The committee(s) on HHS/AEN has scheduled a public hearing on 03-12-25 1:00PM; Conference Room 225 & Videoconference. (Senate)
- 2025-03-04: Referred to HHS/AEN, WAM. (Senate)
- 2025-02-28: Received from House (Hse. Com. No. 31). (Senate)
- 2025-02-28: Passed First Reading. (Senate)
- 2025-02-27: Reported from FIN (Stand. Com. Rep. No. 882), recommending passage on Third Reading. (House)
- 2025-02-27: Passed Third Reading with none voting aye with reservations; none voting no (0) and Representative(s) Cochran, Pierick, Templo, Ward excused (4). Transmitted to Senate. (House)
- 2025-02-20: The committee on FIN recommend that the measure be PASSED, UNAMENDED. The votes were as follows: 14 Ayes: Representative(s) Yamashita, Takenouchi, Grandinetti, Holt, Hussey, Keohokapu-Lee Loy, Kitagawa, Kusch, Lamosao, Lee, M., Miyake, Morikawa, Templo, Reyes Oda; Ayes with reservations: none; Noes: none; and 2 Excused: Representative(s) Alcos, Ward. (House)
- 2025-02-18: Bill scheduled to be heard by FIN on Thursday, 02-20-25 12:00PM in House conference room 308 VIA VIDEOCONFERENCE. (House)
- 2025-02-13: Reported from WAL (Stand. Com. Rep. No. 631) as amended in HD 2, recommending referral to FIN. (House)
- 2025-02-13: Report adopted; referred to the committee(s) on FIN as amended in HD 2 with none voting aye with reservations; none voting no (0) and Representative(s) Cochran, Kitagawa, Ward excused (3). (House)
- 2025-02-11: The committee on WAL recommend that the measure be PASSED, WITH AMENDMENTS. The votes were as follows: 10 Ayes: Representative(s) Hashem, Lamosao, Belatti, Ichiyama, Iwamoto, Morikawa, Poepoe, Woodson, Shimizu, Souza; Ayes with reservations: none; 0 Noes: none; and 0 Excused: none. (House)
- 2025-02-07: Bill scheduled to be heard by WAL on Tuesday, 02-11-25 10:00AM in House conference room 411 VIA VIDEOCONFERENCE. (House)
- 2025-02-05: Reported from EEP (Stand. Com. Rep. No. 162) as amended in HD 1, recommending passage on Second Reading and referral to WAL. (House)
- 2025-02-05: Passed Second Reading as amended in HD 1 and referred to the committee(s) on WAL with none voting aye with reservations; none voting no (0) and Representative(s) Cochran, Ward excused (2). (House)
- 2025-01-30: The committee on EEP recommend that the measure be PASSED, WITH AMENDMENTS. The votes were as follows: 5 Ayes: Representative(s) Lowen, Perruso, Kahaloa, Kusch, Quinlan; Ayes with reservations: none; Noes: none; and 1 Excused: Representative(s) Ward. (House)
- 2025-01-27: Bill scheduled to be heard by EEP on Thursday, 01-30-25 9:00AM in House conference room 325 VIA VIDEOCONFERENCE. (House)
- 2025-01-21: Introduced and Pass First Reading. (House)
- 2025-01-21: Referred to EEP, WAL, FIN, referral sheet 2 (House)
- 2025-01-17: Pending introduction. (House)

## Bill text

- Bill Text: [PDF](https://data.capitol.hawaii.gov/sessions/session2025/bills/HB735_CD1_.pdf)
- HB735_CD1: [HTML](https://data.capitol.hawaii.gov/sessions/session2025/bills/HB735_CD1_.HTM)
- HB735_HD1: [HTML](https://data.capitol.hawaii.gov/sessions/session2025/bills/HB735_HD1_.HTM)
- HB735_HD2: [HTML](https://data.capitol.hawaii.gov/sessions/session2025/bills/HB735_HD2_.HTM)
- HB735_SD1: [HTML](https://data.capitol.hawaii.gov/sessions/session2025/bills/HB735_SD1_.HTM)
- Original: [HTML](https://data.capitol.hawaii.gov/sessions/session2025/bills/HB735_.HTM), [PDF](https://data.capitol.hawaii.gov/sessions/session2025/bills/GM1326_.PDF)

## Related bills

- HB 431: RELATING TO HOUSING. (signed)
- HB 1064: RELATING TO FIRE PROTECTION. (signed)
- SB 1044: RELATING TO THE STABILIZATION OF PROPERTY INSURANCE. (signed)
- SB 1231: RELATING TO PARENTAGE. (signed)
- SB 935: RELATING TO GOVERNMENT. (signed)
- HB 703: RELATING TO KUPUNA HOUSING. (signed)

## Sources
- [Bill Text (PDF)](https://data.capitol.hawaii.gov/sessions/session2025/bills/HB735_CD1_.pdf)
- [HB735_CD1 (HTML)](https://data.capitol.hawaii.gov/sessions/session2025/bills/HB735_CD1_.HTM)
- [HB735_HD1 (HTML)](https://data.capitol.hawaii.gov/sessions/session2025/bills/HB735_HD1_.HTM)
- [HB735_HD2 (HTML)](https://data.capitol.hawaii.gov/sessions/session2025/bills/HB735_HD2_.HTM)
- [HB735_SD1 (HTML)](https://data.capitol.hawaii.gov/sessions/session2025/bills/HB735_SD1_.HTM)
- [Original (HTML)](https://data.capitol.hawaii.gov/sessions/session2025/bills/HB735_.HTM)
- [Original (PDF)](https://data.capitol.hawaii.gov/sessions/session2025/bills/GM1326_.PDF)

## Related
- [HB 431: RELATING TO HOUSING.](https://policyrisk.com/state-bill/HI-HB431-2025)
- [HB 1064: RELATING TO FIRE PROTECTION.](https://policyrisk.com/state-bill/HI-HB1064-2025)
- [SB 1044: RELATING TO THE STABILIZATION OF PROPERTY INSURANCE.](https://policyrisk.com/state-bill/HI-SB1044-2025)
- [SB 1231: RELATING TO PARENTAGE.](https://policyrisk.com/state-bill/HI-SB1231-2025)
- [SB 935: RELATING TO GOVERNMENT.](https://policyrisk.com/state-bill/HI-SB935-2025)
- [HB 703: RELATING TO KUPUNA HOUSING.](https://policyrisk.com/state-bill/HI-HB703-2025)
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- [Hawaii state hub](https://policyrisk.com/states/hawaii)
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Source: PRIA, https://policyrisk.com/state-bill/HI-HB735-2025 (as of 2026-10-27).