ROH §43-10.5
Wastewater fees for mixed-use buildings
Read the official text at honolulu.gov ↗This section says that people building new structures or expanding wastewater use in existing ones must pay a wastewater system fee. The fee is based on how many equivalent single-family dwelling units (ESDUs) the project has. Mixed residential and nonresidential projects must also install a sub-water meter for nonresidential water flow.
businessesdevelopershomeowners
The ordinance, as written (Honolulu County) — Mixed residential and nonresidential wastewater system facility charges
A copy, taken August 22, 2026. The version published by Honolulu is the one that governs, and it may have changed since. Check it before relying on anything here.
(a) Each applicant for a building permit for a new structure, or the owner of an existing structure who wishes to increase the owner’s wastewater system capacity entitlement, shall be required to pay a wastewater system facility charge based on the number of equivalent single-family dwelling units in the project to be constructed. This requirement shall be applicable to those new applicants for service and to those existing structures that are subject to liability under § 43-10.1 .
(b) The new applicant for service, or the owner of an existing structure who wishes to increase the owner’s current wastewater system capacity entitlement, shall be required to install a sub-water meter to monitor the water flow to the nonresidential units. The number of ESDUs shall be determined in accordance with § 43-10.3 for the residential units and § 43-10.4 for the nonresidential units.
Published by the City and County of Honolulu through American Legal Publishing.
LawTrove is not legal advice. The summary above is a computer-generated restatement — the authoritative text is the official version linked above.