HCC §5F-3-4
Rules for private sewage systems in flood zones
Read the official text at hawaiicounty.gov ↗This section says a private sewage system or treatment facility can be built in a special flood hazard area only if the State Department of Health approves its design and location. The system must also follow state health rules and be built to keep flood water out and prevent sewage from leaking into flood water.
contractorsdevelopershomeownerslandowners
The ordinance, as written (Hawaiʻi County) — Private sewage disposal/treatment
A copy, taken August 21, 2026. The version published by Hawaiʻi County is the one that governs, and it may have changed since. Check it before relying on anything here.
An individual private sewage disposal system or a treatment facility may be permitted in a special flood hazard area when the design and location of such system or facility is approved by the State department of health. In addition to complying with public health regulations and administrative rules of the State department of health, any such new or replacement sewage disposal system shall be designed to minimize or eliminate infiltration of flood waters into the system and discharges from the system into flood waters. (2020, ord 20-61, sec 6.) 5F-3-4
Published by the County of Hawaiʻi Office of the County Clerk.
LawTrove is not legal advice. The summary above is a computer-generated restatement — the authoritative text is the official version linked above.