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Hawaiʻi Low Impact Development (LID) Atlas

The Hawaiʻi LID Atlas is a collection of alternative stormwater management practices currently installed across the state. The Atlas is hosted by the National Nonpoint Education for Municipal Officials (NEMO) Network and the University of Hawaiʻi Sea Grant Program. It is an online resource providing geo-referenced examples of green infrastructure and low impact development for stormwater management. You can browse the Atlas by either selecting a town, land use type, project type, or by simply clicking on pinned sites.

You can add your own project to the atlas by filling out the Hawaiʻi LID Atlas Submission Form.

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The Rain Garden App

Download the Rain Garden App first. “Rain Garden” is a FREE app designed to help you properly install a rain garden at your home, office, or job site. Through video tutorials, diagrams, text, and tools, the App guides you through determining the size and placement of your garden, selecting plants, digging and planting your garden, and maintaining your garden. It also includes tools for determining your soil type, measuring the size of the area that will drain to your garden, and managing multiple rain garden projects.

Rain Garden Co-op and Cost share by Hui o Koʻolaupoko (HOK)

HOK is seeking private homeowners to participate in its Rain Garden Co-op and Cost Share Program. The program is targeted at residential homeowners living in Koʻolaupoko and aimed at addressing water quality issues. The project seeks homeowners who are interested in constructing rain gardens to reduce the amount of stormwater runoff reaching streams and the ocean while enhancing their yards’ landscaping.

Funds are available to cover the material cost for such items as plants and soil with the rain gardens built by HOK staff, homeowners, volunteers, and neighbors. The idea behind the co-op is to help your neighbor build a rain garden; in exchange, others will help build one on your property.

Certain restrictions apply and some areas are higher priority for cost share assistance.