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HB1921HIEngrossed 2026 Regular Session

Relating To Cesspools.

Last status update Mar 10, 2026

What this measure contains

Allows an existing cesspool that lawfully serves a single dwelling or dwelling unit in a priority level 3 area to continue serving that dwelling or dwelling unit and additional bedrooms constructed on the same parcel and within the existing dwelling or dwelling unit, subject to certain conditions. Authorizes the Department of Health to adopt rules and restrict additional bedrooms where evidence demonstrates that continued cesspool use impacts water quality or human health. Effective 7/1/3000. (HD2)

Source summary of the imported measure. Amendments can change the wording; read a specific version for its complete provisions.

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Read the full bill at its source ↗
Source: legiscan· Loaded Oct 30, 2026· Snapshot export date not suppliedOriginal record ↗

Bill text and versions

Drafts can change as a measure moves through the Legislature. Check the version attached to a recorded vote.

How this measure moved

Legislative path

Each stage below is a recorded decision from the official measure history, attached to the draft it considered. A member's row follows their votes from the first draft to the latest, and a highlighted vote marks where it changed. Committee and conference votes list every member by name. Floor votes list only exceptions; members serving that day who aren't named are shown as ayes in a dashed outline.

  1. Introduced
  2. HD1by EEP
  3. HD2by JHA

Decision stages

  1. House EEP committee on the introduced draft: Passed, with amendments, reported as HD1

    7 aye · 0 no · 0 excused

  2. House second reading on HD1: Passed

    47 aye · 0 no · 3 excused

  3. House JHA committee on HD1: Passed, with amendments, reported as HD2

    7 aye · 0 no · 3 excused

  4. House third reading on HD2: Passed

    48 aye · 0 no · 2 excused

  5. Agriculture and Environment (AEN) on HD2: Passed, with amendments

    4 aye · 0 no · 1 excused · Source roll call

Senate members along the path

Senate members' votes at each stage of HB1921
MemberAEN
HD2		Change along the path
Brenton AwaSD-023Excused
Lynn DecoiteSD-007Aye
Mike GabbardSD-021Aye
Karl RhoadsSD-013Aye
Tim RichardsSD-004Aye

House members along the path

House members' votes at each stage of HB1921
MemberEEP
Introduced		Second reading
HD1		JHA
HD1		Third reading
HD2		Change along the path
Della au BelattiHD-026AyeExcusedAye
Cory ChunHD-035AyeAyeAye
Elle CochranHD-014ExcusedAyeAye
Diamond GarciaHD-042AyeAyeAye
Mark HashemHD-019AyeExcusedAye
Kirstin KahaloaHD-006AyeAyeAyeAye
Sam KongHD-033AyeExcused
Matthias KuschHD-001AyeAyeAye
Mike LeeHD-050ExcusedAye
Nicole LowenHD-007AyeAyeAye
Lauren MatsumotoHD-038AyeAyeAye
Amy PerrusoHD-046AyeAyeAye
Elijah PierickHD-039AyeExcused
Mahina PoepoeHD-013ExcusedAyeAye
Sean QuinlanHD-047AyeAyeAye
Jackson SayamaHD-021AyeExcusedAye
Garner ShimizuHD-032AyeAyeAye
Gregg TakayamaHD-034AyeAyeAye
David TarnasHD-008AyeAyeAye
31 more House members only counted as floor ayes
MemberEEP
Introduced		Second reading
HD1		JHA
HD1		Third reading
HD2		Change along the path
David AlcosHD-041AyeAye
Terez AmatoHD-011AyeAye
Luke EvslinHD-016AyeAye
Andrew GarrettHD-022AyeAye
Joe GedeonHD-018AyeAye
Tina GrandinettiHD-020AyeAye
Daisy HartsfieldHD-036AyeAye
Ikaika HusseyHD-029AyeAye
Linda IchiyamaHD-031AyeAye
Greggor IlaganHD-004AyeAye
Kim IwamotoHD-025AyeAye
Jeanne KapelaHD-005AyeAye
Sue Keohokapu-Lee LoyHD-002AyeAye
Darius KilaHD-044AyeAye
Lisa KitagawaHD-048AyeAye
Trish La ChicaHD-037AyeAye
Lisa MartenHD-051AyeAye
Scot MatayoshiHD-049AyeAye
Tyson MiyakeHD-010AyeAye
Daynette MorikawaHD-017AyeAye
Chris MuraokaHD-045AyeAye
Nadine NakamuraHD-015AyeAye
Ikaika OldsHD-023AyeAye
Julie Reyes OdaHD-040AyeAye
Kanani SouzaHD-043AyeAye
Jenna TakenouchiHD-027AyeAye
Adrian TamHD-024AyeAye
Shirley Ann TemploHD-030AyeAye
Chris ToddHD-003AyeAye
Justin WoodsonHD-009AyeAye
Kyle YamashitaHD-012AyeAye

Aye named · Aye* with reservations · Aye floor vote, not named as an exception · No · Excused · Changed reversed from the previous vote

Names are matched to legislators only when exactly one person fits; every printed name on this measure was matched. A missing vote means no record was found for that member at that stage, not a no vote. Committee codes follow the Legislature's abbreviations.Official measure history ↗

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Legislative history

  1. Pending introduction.

  2. Introduced and Pass First Reading.

  3. Referred to EEP, HLT, JHA, referral sheet 3

  4. Re-referred to EEP, JHA, referral sheet 5

  5. Bill scheduled to be heard by EEP on Thursday, 02-05-26 9:00AM in House conference room 325 VIA VIDEOCONFERENCE.

  6. The committee on EEP recommend that the measure be PASSED, WITH AMENDMENTS. The votes were as follows: 7 Ayes: Representative(s) Lowen, Perruso, Chun, Kahaloa, Kusch, Quinlan, Matsumoto; Ayes with reservations: none; Noes: none; and Excused: none.

  7. Reported from EEP (Stand. Com. Rep. No. 311-26) as amended in HD 1, recommending passage on Second Reading and referral to JHA.

  8. 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, Lee, M., Poepoe excused (3).

  9. Bill scheduled to be heard by JHA on Thursday, 03-05-26 2:00PM in House conference room 325 VIA VIDEOCONFERENCE.

  10. The committee on JHA recommend that the measure be PASSED, WITH AMENDMENTS. The votes were as follows: 7 Ayes: Representative(s) Tarnas, Poepoe, Cochran, Kahaloa, Takayama, Garcia, Shimizu; Ayes with reservations: none; Noes: none; and 3 Excused: Representative(s) Belatti, Hashem, Sayama.

  11. Reported from JHA (Stand. Com. Rep. No. 1203-26) as amended in HD 2, recommending passage on Third Reading.

  12. Forty-eight (48) hours notice Tuesday, 03-10-26.

  13. Passed Third Reading as amended in HD 2 with none voting aye with reservations; none voting no (0) and Representative(s) Kong, Pierick excused (2). Transmitted to Senate.

  14. Received from House (Hse. Com. No. 317).

  15. Passed First Reading.

  16. Referred to AEN/HHS, JDC.

  17. The committee(s) on AEN/HHS has scheduled a public hearing on 03-23-26 1:30PM; Conference Room 225 & Videoconference.

  18. The committee on HHS deferred the measure.

  19. The committee(s) on AEN recommend(s) that the measure be PASSED, WITH AMENDMENTS. The votes in AEN were as follows: 4 Aye(s): Senator(s) Gabbard, Richards, DeCoite, Rhoads; Aye(s) with reservations: none ; 0 No(es): none; and 1 Excused: Senator(s) Awa.

Bill sponsors