Become Rain Ready!

Get rain barrels, a rain garden, or a tree installed for FREE

Applications Open now until June 1, 2026

Welcome to the Green Stormwater Infrastructure incentive program, led by the City and County of Honolulu and Mālama Maunalua, that brings rainwater capture solutions to Oʻahu residents … for FREE!!

This is a Direct-Install Program that covers the cost of the installation of rain barrels, a rain garden, or a native tree.

Rainwater capture projects are a cost-effective way for residents to:

  • Protect O‘ahu’s precious groundwater

  • Reduce flooding in our communities

  • Mitigate stormwater pollution in streams and the ocean

  • Potentially soak up savings on water bills!

Need Assistance?

Partner organizations are conducting FREE rainwater assessments (using Follow the Drop App) for residences in the Windward and Ala Wai regions. If you live in one of these areas and would like assistance in identifying and submitting projects please click on the appropriate link to schedule an appointment:

Windward region by Hui o Koʻolaupoko

Ala Wai Watershed region by Hawaii Green Growth

Want to learn more about Rainwater Capture Solutions?

Apply Using Follow the Drop (Recommended)

Apply for the Direct-Install Program using the Follow the Drop app. New user accounts need to first register and enter "oahu" in the space next to the "Account ID." 

Follow the Drop can help you to size and identify rainwater capture projects. There is also a simple 4-step only pathway for residents who only want to apply for a rain barrel only.

Once you “submit” the project Mālama Maunalua's review committee will review your application for consideration.

Download the app for free at the Apple Store, Google Play or use the link below to apply on the web. The application requires photo documentation so you will need to allow access of Follow the Drop to your camera. For desktop use, you will need to have pictures ready to upload to submit your project

A tutorial on how to use FtD can be found in the video below. If you are not able to use Follow the Drop please state let email us to inform us of the issue you are having : runoff@malamamaunalua.org

Other Materials

Partners