ROH §40-4.1
No trespassing on public water supply land
Read the official text at honolulu.gov ↗You cannot go onto public land used for water reservoirs, watersheds, or water intakes without a written permit from the water board manager. This rule does not apply to public highways that run through those areas.
everyone
The ordinance, as written (Honolulu County) — Unlawful to trespass
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.
It is unlawful for any person to be upon or about any public property used as a water reservoir site or watershed for collecting waters for public consumption, or as an accessway to such a water reservoir site or watershed, or upon or about any waterhead, water ditch-intake, or water springs used for any public water system, or upon or about any water, reservoir, waterhead, water ditch-intake, or water springs, without a written permit from the manager of the board of water supply; provided that this section does not apply to any public highway running through the watersheds.
)
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.