One Water Honolulu for a Climate Ready O‘ahu

What is One Water Honolulu?

One Water is a transformative way of viewing, valuing, and managing water being adopted by cities across the United States. It brings together all forms of water, wastewater, and stormwater management across the watershed.

One Water Honolulu is a growing collaboration between governmental agencies, private sector partners, and the community, working together to take actionable steps to adapt, modernize, and maintain infrastructure and services that provide for the community, and to safeguard natural systems. This collaboration enables O’ahu’s people to build resilience and adapt to increasing climate-related impacts now and into the future.

Inspired by the ahupua‘a model

The values of One Water Honolulu are rooted in ahupua’a. For an island community, water is at the center of our way of life. The ahupua’a model emphasizes the relationship between people and the environment. In an ahupuaʻa, communities and natural resources are connected, building and maintaining relationships from mauka to makai (mountain to ocean) to protect nature and collaboratively implement actions to address risk and promote healing and sustainability. Water is the central force that sustains these interconnected environments and communities. A traditional Hawaiian land management system, the ahupuaʻa system looks at the island in sections, each ranging from the top of a mountain to the seashore and following a boundary formed by stream drainage. Resource management guided by respect, cooperation, and stewardship between all elements in the ahupuaʻa and the relationship between people and the environment are needed to maintain a sustainable balance.

Changes to Our Island

Climate Adaptation Solutions

We can maintain our quality of life, even with the challenges of climate change, which cause extremes of too much or too little water and result in impacts from drought, wildfire, sea level rise, extreme rainfall, extreme heat, and storms. We need to collaborate to meet the challenges of climate change and sustain a healthy and thriving community and environment.

One Water Honolulu aligns with and builds from the community-driven strategies outlined in Climate Ready O’ahu to adapt our infrastructure and practices to protect our people and environment.

Purpose, Need and Benefits

For water and climate resilience planning and implementation.

Purpose

Needs

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Benefits

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Planning and Implementation

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August 2024
October 2024
April 2025
July 2025

Description of plans/goals

What exactly is One Water Honolulu

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Gather feedback from community.

Water testing phase for 2025.

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Timeline

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August 2024

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October 2024

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June 2025

One Water Panel

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Highlight different departments involved and how One Water Honolulu is a collaborative effort to develop a holistic water management plan