• Hawaii
  • State law

Drug Testing Laws in Hawaii

Short answer

Hawaii gives you the strongest private remedy of any state on this hub. A wilful violation of its substance abuse testing chapter carries a fine of not less than $1,000 and not more than $10,000 per violation, plus court costs and attorney's fees — payable to the aggrieved party, with injunctive relief available. The procedural rules are equally serious: a positive on-site screening cannot on its own justify adverse employment action, it must be confirmed by a laboratory within four hours at the employer's expense, and on a positive on-site screen you may refuse to submit to the test. One caveat you should know: the copy of the chapter we could reach carries no compilation date, so this page is flagged for re-verification.

Last verified 18 Aug 2026

This page describes Hawaii law only. If your role is federally regulated, federal rules apply on top of anything here and generally govern the test itself. This is general information, not legal advice.

Private employers

State law (Hawaii): The chapter reaches substance abuse testing generally, and exempts clinical toxicology tests, alcohol tests under the traffic laws, federal workplace drug testing, and testing by the judiciary and certain state agencies Source 1State legislatureHRS ch. 329B — Substance Abuse Testing — checked 18 Aug 2026.

State law (Hawaii): Laboratories must be licensed by the department for the purpose, or certified for substance abuse testing by SAMHSA, and approved by the director; an out-of-state laboratory needs federal SAMHSA certification, and laboratories must take part in drug proficiency testing as the director determines Source 1State legislatureHRS ch. 329B — Substance Abuse Testing — checked 18 Aug 2026.

State law (Hawaii): Confirmation is mandatory, by gas chromatograph with a mass spectrometer detector or another reliable method approved by the director Source 1State legislatureHRS ch. 329B — Substance Abuse Testing — checked 18 Aug 2026. Results are strictly confidential and cannot be disclosed without informed written consent Source 1State legislatureHRS ch. 329B — Substance Abuse Testing — checked 18 Aug 2026.

Notice requirements

State law (Hawaii): This is where Hawaii is unusually protective on instant tests. On-site screening must be administered according to the manufacturer's instructions and meet FDA or ISO 13485 standards Source 1State legislatureHRS ch. 329B — Substance Abuse Testing — checked 18 Aug 2026.

State law (Hawaii): A positive on-site result cannot by itself justify adverse employment action. It requires confirmatory laboratory testing within FOUR HOURS, at the employer's expense Source 1State legislatureHRS ch. 329B — Substance Abuse Testing — checked 18 Aug 2026.

State law (Hawaii): And on a positive on-site screening, the employee may refuse to submit to the substance abuse test Source 1State legislatureHRS ch. 329B — Substance Abuse Testing — checked 18 Aug 2026. That is a right almost nowhere else grants — elsewhere on this hub, refusal is treated as equivalent to a positive. Employees also receive written notice of the substances being tested for Source 1State legislatureHRS ch. 329B — Substance Abuse Testing — checked 18 Aug 2026.

How federal rules interact

State law (Hawaii): The remedy is what sets Hawaii apart. A wilful violation carries not less than $1,000 and not more than $10,000 for each violation, plus court costs and attorney's fees, payable to the aggrieved party, and injunctive relief is available Source 1State legislatureHRS ch. 329B — Substance Abuse Testing — checked 18 Aug 2026.

Compare that with Iowa's $1,000 civil penalty against laboratories, or North Carolina's $250 per examinee capped at $1,000 per investigation. Those are regulatory nudges paid to the state. Hawaii's is paid to you, with fees, and scales per violation.

Federal (DOT): Federal workplace drug testing is expressly exempt from this chapter Source 1State legislatureHRS ch. 329B — Substance Abuse Testing — checked 18 Aug 2026. So none of the above — not the four-hour confirmation, not the right to refuse after an on-site positive, not the penalty — applies to a DOT-regulated test. Establish which you are being given before relying on any of it.

A sourcing caveat we would rather state than bury: the copy of this chapter we could obtain is served from a 2017 session directory and shows no compilation date. The provisions above are what it says; whether every figure is still current has not been confirmed, and this page is flagged for re-verification against the live chapter.

Not yet verified for Hawaii

We publish a topic only once it has been checked against Hawaii's own statutes or agency guidance. These are still in research, and their absence above does not mean there is no rule:

  • Pre-employment testing
  • Random testing
  • Cannabis and employment
  • Medical cannabis
  • Safety-sensitive roles

For these, go to the state's own labour agency rather than a general article.

Official sources

Every factual claim above is drawn from these sources. Each was opened and checked on the date shown. Where a rule differs between agencies, the source that governs is named in the text.

  1. State legislature · HRS ch. 329B

    HRS ch. 329B — Substance Abuse Testing

    Checked 18 Aug 2026 · flagged for re-check
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