Issue · Environment

Environment (Water Quality)

Every environment bill, vote, and legislator stance in Hawaii, automatically classified by Maddy, our AI policy reader.

Total bills
47
2026 Regular Session
Top supporter
Rachele Lamosao
67% support rate
Top opponent
-
no data yet
Ranked legislators
1
1 support · 0 oppose
Key legislators

Who's moving water quality in Hawaii

Legislators moving water quality in Hawaii
Legislator Party Stance Support rate Votes
Rachele Lamosao
Rachele Lamosao Senate · District 19
D
Support
67% 3
Showing 31–40 of 47 bills

All environment bills

in committee · Hawaii · Senate Dec 8, 2025

SB 619: RELATING TO STREAM WATER QUALITY.

Implements a 4-phase plan for the Department of Health to address contamination of Ulehawa Stream. Requires the University of Hawaii to provide assistance. Appropriates moneys.
Sub-Topics Water Quality
passed · Hawaii · Senate Feb 20, 2026

SB 2478: PROPOSING AN AMENDMENT TO ARTICLE I OF THE HAWAII STATE CONSTITUTION TO RECOGNIZE AND PROTECT THE INHERENT AND INALIENABLE RIGHT OF ALL PEOPLE TO CLEAN WATER AND AIR, A HEALTHFUL ENVIRONMENT AND CLIMATE AND HEALTHY NATIVE ECOSYSTEMS AND BEACHES.

Proposes a constitutional amendment to ensure that the inherent and inalienable right of the people, including future generations, to clean water and air, a healthful environment and climate and healthy native ecosystems and beaches, shall be protected and shall not be infringed. Effective 7/1/2050. (SD1)
Sub-Topics Water Quality
passed · Hawaii · Senate Dec 8, 2025

SB 501: RELATING TO CESSPOOLS.

Requires the Department of Health, to the extent allowable under federal law, to prioritize the use of Water Pollution Control Revolving Fund moneys for projects by homeowners to upgrade cesspools to director-approved wastewater systems or connect homeowners' properties to sewerage systems, including projects for the installation of cluster systems or community package plants. Effective 12/31/2050. (SD1)
Sub-Topics Water Quality
in committee · Hawaii · Senate Dec 8, 2025

SB 702: PROPOSING AN AMENDMENT TO ARTICLE I OF THE HAWAII STATE CONSTITUTION TO RECOGNIZE AND PROTECT THE INHERENT AND INALIENABLE RIGHT OF ALL PEOPLE TO CLEAN WATER AND AIR, A HEALTHFUL ENVIRONMENT AND CLIMATE, HEALTHY NATIVE ECOSYSTEMS, AND BEACHES.

Proposes a constitutional amendment to ensure that the inherent and inalienable right of the people, including future generations, to clean water and air, a healthful environment and climate, healthy native ecosystems, and beaches, shall be protected and shall not be infringed.
Sub-Topics Water Quality
in committee · Hawaii · House Feb 25, 2026

HB 1652: RELATING TO STORMWATER MANAGEMENT SYSTEMS.

Exempts agricultural infrastructure and low-risk green stormwater infrastructure from regulations covering retention ponds. Defines agricultural infrastructure and low-risk green stormwater infrastructure. Effective 7/1/3000. (HD1)
Sub-Topics Water Quality
in committee · Hawaii · House Feb 10, 2026

HB 2245: RELATING TO THE ENVIRONMENT.

Beginning 7/1/2027, requires newly installed or modified individual wastewater systems that are near the shoreline or on highly porous soils to include denitrification capacity. Requires the Department of Health to reduce requirements for disposal systems connected to wastewater systems with denitrification capacity. Effective 7/1/3000. (HD1)
in committee · Hawaii · House Feb 5, 2026

HB 2232: RELATING TO CLEAN WATER.

Preserves, as state law, water quality, permitting, and aquatic resource protections that are at least as protective as federal Clean Water Act regulations and standards in effect as of January 1, 2026, and ensures their continued applicability regardless of subsequent federal amendments, repeals, or reductions.
in committee · Hawaii · House Dec 8, 2025

HB 343: RELATING TO WATER.

Defines "isolated wetlands" and "wetlands". Clarifies the definition of "state waters" to include wetlands and isolated wetlands. Requires the Director of Health to determine all wetlands in the State, including whether a wetland is an isolated wetland or is included in the waters of the United States. Prohibit persons from discharging any water pollutant into or at any location that enters state waters.
Sub-Topics Water Quality
in committee · Hawaii · Senate Jan 30, 2026

SB 2753: RELATING TO THE ENVIRONMENT.

Beginning 7/1/2027, requires newly installed or modified individual wastewater systems that are near the shoreline or on highly porous soils to include denitrification capacity. Requires the Department of Health to provide appropriate reductions in requirements to leach fields and wastewater systems with denitrification capacity.
in committee · Hawaii · House Dec 8, 2025

HB 597: PROPOSING AN AMENDMENT TO ARTICLE I OF THE CONSTITUTION OF THE STATE OF HAWAII TO RECOGNIZE AND PROTECT THE INHERENT AND INALIENABLE RIGHT OF THE PEOPLE TO CLEAN WATER AND AIR, A HEALTHFUL ENVIRONMENT AND CLIMATE, HEALTHY NATIVE ECOSYSTEMS, AND BEACHES.

Proposes a constitutional amendment to ensure that the inherent and inalienable right of the people, including present and future generations, to clean water and air, a healthful environment and climate, healthy native ecosystems, and beaches shall be protected and shall not be infringed.
Sub-Topics Water Quality
Showing 31 to 40 of 47 bills
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