Question 1

Is rainwater harvesting legal in Hawaii?

Accepted Answer

State-specific legal source review pending. Check current state and local requirements before planning a system.

Question 2

How much rain does Hawaii receive annually?

Accepted Answer

Hawaii receives an average of 63.7 inches of precipitation per year based on NOAA climatic normals, making rainwater collection a viable auxiliary or primary water source.

Question 3

Are there incentives or rebates for rainwater systems in Hawaii?

Accepted Answer

No verified incentive source is attached yet. Check the serving water authority for current programs.

Hawaii Rainwater Harvesting Installers

Captain Cook

Kailua-Kona