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Drugs, Alcohol and Smoking: Connecticut

Drugs, Alcohol and Smoking requirements for other states

Federal law and guidance on this subject should be reviewed together with this section.

Author: XpertHR Editorial Team


  • Connecticut employers may prohibit drug and alcohol use in the workplace. See Drugs and Alcohol.
  • While medical marijuana is legal in Connecticut, an employer may still prohibit the use of marijuana during work hours and may discipline an employee for being under the influence during work hours. See Medical Marijuana.
  • Employers may implement and enforce policies that prohibit the use, sale, possession, distribution, purchase and cultivation of drugs and alcohol in the workplace. See Drug and Alcohol Policies.
  • Employers may require employees and job applicants to submit to drug and alcohol tests under limited circumstances. See Drug and Alcohol Testing.
  • The Connecticut Clean Indoor Air Act requires employers with five or more employees to prohibit smoking in any business facility under their control. See Smoking.
  • The use of electronic cigarettes is prohibited in certain establishments. See E-Cigarettes.
  • "No Smoking" signs must be posted in workplaces that provide smoking areas and prohibits e-cigarette use. See Postings.
  • Employers are not required to have a smoking policy but may implement one that prohibits smoking in the workplace. See Smoking Policies.