HCC §27-19
Rules for water and sewage systems in flood areas
Read the official text at hawaiicounty.gov ↗This section sets standards for new or replaced water and sewage systems to keep flood water out and prevent sewage from entering flood water. It also requires that cesspools and septic systems be placed so they are not damaged or cause contamination during floods.
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The ordinance, as written (Hawaiʻi County) — Standards for utilities
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.
(a) New and replacement water supply and sanitary sewage systems shall be designed to minimize or eliminate infiltration of flood waters into the system and discharge from systems into flood waters. (b) On-site cesspools and septic systems shall be located to avoid impairment to them or contamination from them during flooding. (1993, ord 93-78, sec 3.)27-19 FLOODPLAIN MANAGEMENT § 27-20
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.