# Hawaii SB 1221: RELATING TO STORMWATER MANAGEMENT SYSTEMS.

Hawaii SB 1221, RELATING TO STORMWATER MANAGEMENT SYSTEMS., is a 2025–2026 Regular Session (Year 1) Senate bill sponsored by Glenn Wakai (Democratic); status signed, last action 2025-07-03 (Act 281, 07/03/2025 (Gov. Msg. No. 1384).) (as of 2026-10-27).

- Canonical: https://policyrisk.com/state-bill/HI-SB1221-2025
- As of: 2026-10-27
- Plain-text twin of the page above; the HTML and this file carry the same facts.

## Facts
- Bill: Hawaii SB 1221
- State: Hawaii
- Session: 2025–2026 Regular Session (Year 1)
- Title: RELATING TO STORMWATER MANAGEMENT SYSTEMS.
- Status: signed
- Chamber: Senate
- Introduced: 2025-01-21
- Last action: 2025-07-03, Act 281, 07/03/2025 (Gov. Msg. No. 1384).
- Sponsor: Glenn Wakai (Democratic)
- Cosponsors: 2
- Subjects: Counties, Retention Ponds, Detention Ponds, Regulation, Survey, Report, WAL, JHA, FIN
- Touches household money: no
- Roll calls: 13 (256 yes, 0 no in all)
- Economic provisions PRIA read: 0

## Summary

Beginning 1/1/2027, requires the counties to adopt ordinances for the regulation of retention and detention ponds. Requires the counties to conduct a survey of existing retention and detention ponds and submit a report to the Legislature. (CD1)

## Bill overview

No economic impacts identified for this bill.

## Sponsors and cosponsors

- Sponsor: Glenn Wakai (Democratic), Senate
- Cosponsor: AQUINO
- Cosponsor: Stanley Chang (Democratic), Senate

## Roll call votes

| Date | Chamber | Motion | Result | Yes | No | Other |
| --- | --- | --- | --- | --- | --- | --- |
| 2025-04-30 | Senate | Senate Floor Vote | pass | 25 | 0 |   |
| 2025-04-30 | House | House Floor Vote | pass | 49 | 0 |   |
| 2025-04-25 | Senate | The Conference committee recommends that the measure be PASSED, WITH AMENDMENTS.... | pass | 4 | 0 |   |
| 2025-04-25 | House | The Conference Committee recommends that the measure be Passed, with Amendments.... | pass | 3 | 0 |   |
| 2025-04-08 | House | House Floor Vote | pass | 49 | 0 |   |
| 2025-04-02 | House | The committee on FIN recommend that the measure be PASSED, WITH AMENDMENTS. The ... | pass | 15 | 0 |   |
| 2025-03-18 | House | The committee on JHA recommend that the measure be PASSED, WITH AMENDMENTS. The ... | pass | 10 | 0 |   |
| 2025-03-14 | House | Passed Second Reading as amended in HD 1 and referred to the committee(s) on JHA... | pass | 47 | 0 |   |
| 2025-03-11 | House | The committee on WAL recommend that the measure be PASSED, WITH AMENDMENTS. The ... | pass | 9 | 0 |   |
| 2025-03-04 | Senate | Senate Floor Vote | pass | 25 | 0 |   |
| 2025-02-26 | Senate | The committee(s) on WAM recommend(s) that the measure be PASSED, WITH AMENDMENT... | pass | 13 | 0 |   |
| 2025-02-06 | Senate | The committee(s) on EIG recommend(s) that the measure be PASSED, WITH AMENDMENT... | pass | 4 | 0 |   |
| 2025-02-06 | Senate | The committee(s) on HHS recommend(s) that the measure be PASSED, WITH AMENDMENT... | pass | 3 | 0 |   |

## Actions (51)

- 2025-07-03: Act 281, 07/03/2025 (Gov. Msg. No. 1384). (Senate)
- 2025-07-03: Act 281, on 07/03/2025 (Gov. Msg. No. 1384). (House)
- 2025-05-02: Received notice of passage on Final Reading in House (Hse. Com. No. 821). (Senate)
- 2025-05-02: Enrolled to Governor. (Senate)
- 2025-05-01: Received notice of Final Reading (Sen. Com. No. 888). (House)
- 2025-04-30: Passed Final Reading, as amended (CD 1). Ayes, 25; Aye(s) with reservations: Senator(s) Ihara, McKelvey. Noes, 0 (none). 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: The Conference committee recommends that the measure be PASSED, WITH AMENDMENTS. The votes of the Senate Conference Managers were as follows: 4 Aye(s): Senator(s) Wakai, Hashimoto, Kanuha, Fevella; Aye(s) with reservations: none ; 0 No(es): none; and 0 Excused: none. (Senate)
- 2025-04-25: The Conference Committee recommends that the measure be Passed, with Amendments. The votes were as follows: 3 Ayes: Representative(s) Hashem, Lamosao, Shimizu; Ayes with reservations: none; 0 Noes: none; and 1 Excused: Representative(s) Tarnas. (House)
- 2025-04-25: Reported from Conference Committee as amended CD 1 (Conf. Com. Rep. No. 126). (Senate)
- 2025-04-25: 48 Hrs. Notice (as amended CD 1) 04-30-25. (Senate)
- 2025-04-25: Reported from Conference Committee (Conf Com. Rep. No. 126) as amended in (CD 1). (House)
- 2025-04-25: Forty-eight (48) hours notice Wednesday, 04-30-25. (House)
- 2025-04-24: Conference Committee Meeting will reconvene on Friday 04-25-25 9:35AM in conference room 229. (House)
- 2025-04-23: Bill scheduled for Conference Committee Meeting on Thursday, 04-24-25 9:45AM in conference room 229. (House)
- 2025-04-22: Senate Conferees Appointed: Wakai Chair; Hashimoto, Kanuha Co-Chairs; Fevella. (Senate)
- 2025-04-22: Received notice of Senate conferees (Sen. Com. No. 860). (House)
- 2025-04-21: Received notice of appointment of House conferees (Hse. Com. No. 754). (Senate)
- 2025-04-17: House Conferees Appointed: Hashem, Tarnas, Lamosao Co-Chairs; Shimizu. (House)
- 2025-04-10: Received from House (Hse. Com. No. 674). (Senate)
- 2025-04-10: Senate disagrees with House amendments. (Senate)
- 2025-04-10: Received notice of disagreement (Sen. Com. No. 779). (House)
- 2025-04-08: Passed Third Reading as amended in HD 3 with Representative(s) Iwamoto voting aye with reservations; none voting no (0) and Representative(s) Cochran, Marten excused (2). Transmitted to Senate. (House)
- 2025-04-04: Reported from FIN (Stand. Com. Rep. No. 2012) as amended in HD 3, recommending passage on Third Reading. (House)
- 2025-04-04: Forty-eight (48) hours notice Tuesday, 04-08-25. (House)
- 2025-04-02: The committee on FIN recommend that the measure be PASSED, WITH AMENDMENTS. The votes were as follows: 15 Ayes: Representative(s) Yamashita, Takenouchi, Grandinetti, Holt, Hussey, Keohokapu-Lee Loy, Kitagawa, Kusch, Lamosao, Lee, M., Miyake, Morikawa, Templo, Alcos, Reyes Oda; Ayes with reservations: none; Noes: none; and Excused: none. (House)
- 2025-03-31: Bill scheduled to be heard by FIN on Wednesday, 04-02-25 3:30PM in House conference room 308 VIA VIDEOCONFERENCE. (House)
- 2025-03-21: Reported from JHA (Stand. Com. Rep. No. 1460) as amended in HD 2, recommending referral to FIN. (House)
- 2025-03-21: 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, Garrett, Kapela, Kitagawa, Ward excused (5). (House)
- 2025-03-18: The committee on JHA recommend that the measure be PASSED, WITH AMENDMENTS. The votes were as follows: 10 Ayes: Representative(s) Tarnas, Poepoe, Belatti, Hashem, Kahaloa, Perruso, Takayama, Todd, Garcia, Shimizu; Ayes with reservations: none; Noes: none; and 1 Excused: Representative(s) Cochran. (House)
- 2025-03-14: Reported from WAL (Stand. Com. Rep. No. 1265) as amended in HD 1, recommending passage on Second Reading and referral to JHA. (House)
- 2025-03-14: Passed Second Reading as amended in HD 1 and referred to the committee(s) on JHA with none voting aye with reservations; none voting no (0) and Representative(s) Cochran, Holt, Iwamoto, Ward excused (4). (House)
- 2025-03-14: Bill scheduled to be heard by JHA on Tuesday, 03-18-25 2:15PM in House conference room 325 VIA VIDEOCONFERENCE. (House)
- 2025-03-11: The committee on WAL recommend that the measure be PASSED, WITH AMENDMENTS. The votes were as follows: 9 Ayes: Representative(s) Hashem, Lamosao, Belatti, Ichiyama, Morikawa, Poepoe, Shimizu, Souza; Ayes with reservations: Representative(s) Iwamoto; Noes: none; and 1 Excused: Representative(s) Woodson. (House)
- 2025-03-07: Bill scheduled to be heard by WAL on Tuesday, 03-11-25 9:00AM in House conference room 411 VIA VIDEOCONFERENCE. (House)
- 2025-03-06: Pass First Reading (House)
- 2025-03-06: Referred to WAL, JHA, FIN, referral sheet 19 (House)
- 2025-03-04: Report adopted; Passed Third Reading, as amended (SD 2). Ayes, 25; Aye(s) with reservations: none . Noes, 0 (none). Excused, 0 (none). Transmitted to House. (Senate)
- 2025-03-04: Received from Senate (Sen. Com. No. 277) in amended form (SD 2). (House)
- 2025-02-28: Reported from WAM (Stand. Com. Rep. No. 925) with recommendation of passage on Third Reading, as amended (SD 2). (Senate)
- 2025-02-28: 48 Hrs. Notice 03-04-25. (Senate)
- 2025-02-26: The committee(s) on WAM recommend(s) that the measure be PASSED, WITH AMENDMENTS. 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)
- 2025-02-20: The committee(s) on WAM will hold a public decision making on 02-26-25 10:03AM; Conference Room 211 & Videoconference. (Senate)
- 2025-02-11: Reported from EIG/HHS (Stand. Com. Rep. No. 221) with recommendation of passage on Second Reading, as amended (SD 1) and referral to WAM. (Senate)
- 2025-02-11: Report adopted; Passed Second Reading, as amended (SD 1) and referred to WAM. (Senate)
- 2025-02-06: The committee(s) on HHS recommend(s) that the measure be PASSED, WITH AMENDMENTS. The votes in HHS were as follows: 3 Aye(s): Senator(s) San Buenaventura, Hashimoto, Fevella; Aye(s) with reservations: none ; 0 No(es): none; and 2 Excused: Senator(s) Aquino, Keohokalole. (Senate)
- 2025-02-06: The committee(s) on EIG recommend(s) that the measure be PASSED, WITH AMENDMENTS. The votes in EIG were as follows: 4 Aye(s): Senator(s) Wakai, Chang, DeCoite, Fevella; Aye(s) with reservations: none ; 0 No(es): none; and 1 Excused: Senator(s) Richards. (Senate)
- 2025-01-31: The committee(s) on EIG/HHS has scheduled a public hearing on 02-06-25 3:00PM; Conference Room 016 & Videoconference. (Senate)
- 2025-01-27: Referred to EIG/HHS, WAM. (Senate)
- 2025-01-23: Introduced and passed First Reading. (Senate)
- 2025-01-21: Pending Introduction. (Senate)

## Bill text

- Bill Text: [PDF](https://data.capitol.hawaii.gov/sessions/session2025/bills/SB1221_CD1_.pdf)
- Original: [HTML](https://data.capitol.hawaii.gov/sessions/session2025/bills/SB1221_.HTM), [PDF](https://data.capitol.hawaii.gov/sessions/session2025/bills/GM1384_.PDF)
- SB1221_CD1: [HTML](https://data.capitol.hawaii.gov/sessions/session2025/bills/SB1221_CD1_.HTM)
- SB1221_HD1: [HTML](https://data.capitol.hawaii.gov/sessions/session2025/bills/SB1221_HD1_.HTM)
- SB1221_HD2: [HTML](https://data.capitol.hawaii.gov/sessions/session2025/bills/SB1221_HD2_.HTM)
- SB1221_HD3: [HTML](https://data.capitol.hawaii.gov/sessions/session2025/bills/SB1221_HD3_.HTM)
- SB1221_SD1: [HTML](https://data.capitol.hawaii.gov/sessions/session2025/bills/SB1221_SD1_.HTM)
- SB1221_SD2: [HTML](https://data.capitol.hawaii.gov/sessions/session2025/bills/SB1221_SD2_.HTM)

## 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/SB1221_CD1_.pdf)
- [Original (HTML)](https://data.capitol.hawaii.gov/sessions/session2025/bills/SB1221_.HTM)
- [Original (PDF)](https://data.capitol.hawaii.gov/sessions/session2025/bills/GM1384_.PDF)
- [SB1221_CD1 (HTML)](https://data.capitol.hawaii.gov/sessions/session2025/bills/SB1221_CD1_.HTM)
- [SB1221_HD1 (HTML)](https://data.capitol.hawaii.gov/sessions/session2025/bills/SB1221_HD1_.HTM)
- [SB1221_HD2 (HTML)](https://data.capitol.hawaii.gov/sessions/session2025/bills/SB1221_HD2_.HTM)
- [SB1221_HD3 (HTML)](https://data.capitol.hawaii.gov/sessions/session2025/bills/SB1221_HD3_.HTM)
- [SB1221_SD1 (HTML)](https://data.capitol.hawaii.gov/sessions/session2025/bills/SB1221_SD1_.HTM)
- [SB1221_SD2 (HTML)](https://data.capitol.hawaii.gov/sessions/session2025/bills/SB1221_SD2_.HTM)

## 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)
- [Hawaii bills](https://policyrisk.com/states/hawaii/bills)
- [Hawaii state hub](https://policyrisk.com/states/hawaii)
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Source: PRIA, https://policyrisk.com/state-bill/HI-SB1221-2025 (as of 2026-10-27).