Rain gardens and stormwater projects · Hawaii

Malama Maunalua Rainwater Capture Incentive Pilot

Run by Malama Maunalua with City and County of Honolulu Department of Facility Maintenance

EndedLast checked October 17, 2026
What you get
Free supplies and installation of rain barrels, rain gardens and native trees; dollar value not published
Who qualifies
Owners and renters on Oahu in single-family homes or apartments; applicants were tiered with priority to kupuna, low-income families and larger households.
Where
Owners and renters across Oahu, with priority to kupuna, low-income families and larger households.
Status
Ended. 2025 pilot application window closed March 31, 2025 (over 2,300 applied, about 300 households awarded); no new round found.
Type of payment
Free installation
Official program page

What you do

Receive free rain barrels, rain gardens and native trees with installation to catch runoff on your property.

Requirements

  • Applicants confirm interest and site readiness by survey after selection
  • Installs done by selected service providers
  • Follow the Drop app was encouraged to assess rainwater capture potential
  • Other rules not published

How to apply

  1. 1Applications were due by March 31, 2025 (closed)
  2. 2Selected applicants were notified by email and completed a site-readiness survey
  3. 3Phase I installs began August 2025; Phase II for remaining applicants as supplies allow

Timing and deadlines

Phase I installs from August 2025

March 31, 2025 (passed)

Sources

Last checked October 17, 2026. See something out of date? Tell us.

Sow is not affiliated with any of these agencies or utilities. Amounts and rules change, often at the start of a fiscal year, so confirm the details on the official page before you start a project. How we research these programs

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