Hawaii · 2026 Regular Session · Bill
HB 510: RELATING TO DECLARATION OF WATER SHORTAGE AND EMERGENCY.
Passed both chambers Official data
- Introduced
- In committee
- Passed one chamber
- Passed both chambers
- Enacted
Last official action: ·Record last updated:
Plain-language summary
HB 510 is a bill introduced in the Hawaii House on January 17, 2025. According to its official title, it concerns: RELATING TO DECLARATION OF WATER SHORTAGE AND EMERGENCY. Primary sponsor: Linda Ichiyama (Democratic), Mark Hashem (Democratic), David Tarnas (Democratic). Most recent recorded action (April 17, 2026): Re-Referred to WLA, JDC.
Generated automatically from the official title, sponsor list, and status record only. It does not characterize the bill’s purpose or effects. How summaries are written
Official summary
Abstract published by the legislature (via Open States). Text as published by the legislature; reproduced verbatim.
Amends the conditions, manner, and areas in which the Commission on Water Resource Management can declare and provide notice of water shortages and emergencies. Limits the duration of a water shortage declaration to ninety days. Limits water usage restrictions imposed on a permittee or owner and operator to twenty per cent of the permittee's or owner and operator's last reported monthly use. Requires CWRM to maintain a list of names and postal or email addresses of persons who request notification of a water shortage declaration and send them a copy of a notice of a water shortage declaration whenever water shortage is declared. Effective 7/1/2040. (SD2)
Sponsors
Sponsors by party (alphabetical): Democratic 3
| Name | Role | Party | Chamber | District |
|---|---|---|---|---|
| Linda Ichiyama | Primary sponsor | Democratic | House | 31 |
| Mark Hashem | Primary sponsor | Democratic | House | 19 |
| David Tarnas | Primary sponsor | Democratic | House | 8 |
“Support” is shown only as formal sponsorship recorded by the legislature. Roll-call votes are available on the official bill page.
Recent official actions
- Re-Referred to WLA, JDC.
- Received notice of the discharge of all House Conferees (Hse. Com. No. 457).
- House Conferee(s) discharged.
- Carried over to 2026 Regular Session.
- Received notice of appointment of House conferees (Hse. Com. No. 732).
- House Conferees Appointed: Hashem, Tarnas Co-Chairs; Ichiyama, Lamosao, Shimizu.
- Received notice of disagreement (Hse. Com. No. 704).
- House disagrees with Senate amendment (s).
- Report Adopted; Passed Third Reading, as amended (SD 2). Ayes, 23; Aye(s) with reservations: none. Noes, 2 (Senator(s) Awa, DeCorte). Excused, 0 (none). Transmitted to House.
- Returned from Senate (Sen. Com. No. 651) in amended form (SD 2).
- Reported from JDC (Stand. Com. Rep. No. 1718) with recommendation of passage on Third Reading, as amended (SD 2).
- 48 Hrs. Notice 04-08-25.
Showing 12 most recent of 33 actions. Full history