Hawaii · 2026 Session

HB 1728Law

Counties; Rainwater Catchment Systems

Source of recordHawaii · data.capitol.hawaii.govLast synced Sep 11, 2026

Chamber

House

Progress

Where this bill stands in the legislative process.

Introduced
Passed House
Passed Senate
To Governor
Became Law

Overview

Requires the counties to allow for the installation and operation of rainwater catchment systems for potable and nonpotable uses on all properties. Allows the counties to require registration, inspection, or notification of rainwater catchment systems. (CD1)

Bill text

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Document of record

Version: HB1728 .PDF file
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Legislative history

44 recorded actions · showing the most recent 12

Apr 29, 2026Senate

Reported from Conference Committee as amended CD 1 (Conf. Com. Rep. No. 84-26).

Apr 29, 2026House

Forty-eight (48) hours notice Wednesday 05-06-26.

Apr 29, 2026House

Reported from Conference Committee (Conf Com. Rep. No. 84-26) as amended in (CD 1).

Apr 29, 2026House

The Conference Committee recommends that the measure be Passed, with Amendments. The votes were as follows: 3 Ayes: Representative(s) Hashem, Tarnas, Souza; Ayes with reservations: none; 0 Noes: none; and 0 Excused: none.

Apr 29, 2026Senate

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) Wakai, San Buenaventura, Fevella; Aye(s) with reservations: none ; 0 No(es): none; and 1 Excused: Senator(s) Lee, C..

May 6, 2026House

Received notice of Final Reading (Sen. Com. No. 816).

May 6, 2026House

Passed Final Reading as amended in CD 1 with none voting aye with reservations; none voting no (0) and none excused (0).

May 6, 2026Senate

Passed Final Reading, as amended (CD 1). Ayes, 25; Aye(s) with reservations: none . 0 No(es): none. 0 Excused: none.

May 7, 2026House

Transmitted to Governor.

May 8, 2026Senate

Received notice of passage on Final Reading in House (Hse. Com. No. 888).

Jul 9, 2026House

Act 209, on 07/08/2026 (Gov. Msg. No. 1311).

Jul 9, 2026Senate

Act 209, 07/08/2026 (Gov. Msg. No. 1311).

Votes

Recorded roll calls and chamber actions on this bill.

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Nay

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Geography

Recorded positions across the state.

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Arguments

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Counties; Rainwater Catchment Systems

Progress

Overview

Bill text

Sponsors

Primary sponsor

Cosponsors

Legislative history

Votes

Vote map

Geography

Arguments

Arguments in favor

Arguments opposed

Geography

Legislative history

Votes

Vote map

Floor votes and chamber actions

Recorded roll calls