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HRS §340E-4

What the state can do about a sudden water danger

If a contaminant is in or could enter a public water system or underground drinking water source and poses a serious, immediate threat to people, the state health director can act to protect the public. The director may issue orders, like requiring those who caused the problem to provide other water, or go to court for an order to stop the danger.

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The statute, as written — Imminent hazards

The director, upon learning that a contaminant is present in or is likely to enter a public water system or an underground source of drinking water and may present an imminent and substantial danger to the public, may take such actions necessary to protect the health of the public. The actions which the director may take include but are not limited to: (1) Issuing such orders as may be necessary to protect the health of persons who are or may be users of such system (including travelers), including requiring the provision of alternative water supplies by persons who caused or contributed to the endangerment; and (2) Commencing a civil action for appropriate relief, including a restraining order or permanent or temporary injunction.
Read the official text at capitol.hawaii.gov ↗as published Jan 6, 2026our copy taken Aug 20, 2026

LawTrove is not legal advice. The summary above is a computer-generated restatement — the authoritative text is the official version linked above.