Workplace State Law · Washington

Washington Workplace Saliva (Oral Fluid) Drug Testing Law

How Washington treats oral fluid (saliva) drug testing in the workplace — the statute, its current status, and what that means for employers building or updating a testing program.

Status: Explicitly Permitted

Statute and status in Washington

Statute / authority: WA SB 5123 (eff. Jan 1, 2024) · WAC 296-126

SB 5123 restricts urine THC metabolite testing for non-DOT pre-employment. Oral fluid (parent THC) is the compliant alternative.

Reviewed Apr 2026. Always verify state law before deployment. This page summarizes OraTek's research and is not legal advice.

What this means for employers in Washington

Washington explicitly permits oral fluid (saliva) point-of-collection testing for employers. Programs here can run observed saliva collection on site, with results in minutes and a laboratory confirmation pathway for non-negatives. Check the statute's panel, cut-off and notice requirements before deploying.

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