Haw. Rev. Stat. § 322-30: Cost of improvement; how apportioned.

The cost of the improvements made or completed by the comptroller shall be apportioned as follows:

(1) Cost of filling any lot or parcel shall be borne by the lot or parcel;

(2) Cost of any drainage system including the cost of drains or ditches, damages for property taken for the same, and other expenses, if any, shall be apportioned among all the lots or parcels in the drainage district in proportion to their respective areas.