Storm Water Quality


As a Hawai‘i resident you can help protect our island’s streams and oceans and keep our island beautiful by reducing storm water pollution during everyday activities around your home. Check out the Best Management Practices (BMPs) below that you can implement at home.

Yard Care & Maintenance

Capture Storm Water in Your Yard

For Windward Residents

The Follow the Drop app can assist you in determining how you can capture storm water on your property. The app is currently available for use on the Windward side from Waimanalo to Kaʻaʻawa until summer 2024. Download via links below and use Account ID “808”.

Apple Store

Google Play

Free rainwater assessments by Hui o Ko’olaupoko are also available. Sign up at

A photo of residents picking up yard waste.
You Are The Solution

Pledge to take actions that protect our local waters! Click here to learn more and find additional resources.

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