Colorado State Drug Testing Laws

Workplace Drug Testing Issues – Colorado State Laws

These categories do not affect DOT-regulated drug testing. Government employers should always call for potential additional restrictions on employee drug testing.

Note: Boulder, CO – This city has one of the country's most restrictive drug testing laws. Boulder's city ordinance only binds employers in Colorado for their employees who work in the city. This chart does not apply to Boulder, CO. – please consult your attorney.

Intoxication Defense – Denial of Workers Compensation Claim – Reduction of non-medical benefits in Colorado – §8-42-112.5.

This chart is intended for informational purposes only and should not be relied upon for legal guidance. State and local law vary greatly; therefore, you are advised to consult experienced legal counsel during the design of your actual substance abuse testing program and with any questions that follow.

View Individual State Law Summaries