Post-Holiday Drug Testing: Why January Matters for Employers

Why Drug Testing After the Holidays Is Important
Substance Use Spikes During the Holidays
The holidays are a time of relaxation and celebration, and for many, that means drinking more alcohol and using recreational drugs.
A study from the National Institute on Drug Abuse (NIDA) found that alcohol consumption rises by about 33% during the holiday season, with increased use of marijuana and other substances.
The effects don’t end when the holidays do. Some employees return to work with lingering substances in their system, while others may have developed habits that carry into the new year.
A report from Quest Diagnostics found that drug test positivity rates in January are 25% higher than average.
The Risk to Workplace Safety and Productivity
Substance use, even if occasional, can affect workplace performance. Studies show that impaired employees are 40% more likely to be involved in workplace accidents.
This is especially risky in the construction, transportation, and healthcare industries, where mistakes can lead to serious consequences.
Beyond safety concerns, substance use impacts productivity:
- More absenteeism – Employees who use drugs or alcohol excessively are three times more likely to call in sick.
- Lower efficiency – Even mild impairment can reduce focus, slow reaction times, and decrease overall work performance.
- Higher healthcare costs – Businesses often see increased insurance claims and medical expenses related to substance abuse.
Post-holiday drug testing helps employers catch potential issues early, keeping workplaces safe and productive.
Â
Legal and Compliance Considerations
Drug testing laws vary by state, so employers need to understand their rights and responsibilities.
Federal Regulations
For certain industries, federal law requires drug testing. The Department of Transportation (DOT) has strict rules for truck drivers, pilots, and others in transportation jobs.
The Occupational Safety and Health Administration (OSHA) also allows post-incident drug testing as long as it improves workplace safety, not as a punishment.
State Laws and Marijuana Use
Many states have laws limiting when and how employers can conduct drug tests. Some, like California and New York, have restrictions on random testing.
Marijuana legalization has also complicated testing policies. In some states, employers cannot fire workers for off-duty marijuana use unless it directly affects their job performance.
Employers should review state laws and consult legal counsel to ensure their policies comply with current regulations.
Why January Is the Best Time for Drug Testing
A Fresh Start for the Workplace
The beginning of the year is when businesses set new goals and expectations.
Conducting post-holiday drug testing reinforces workplace policies and reminds employees that safety is a priority.
It also helps address any issues before they become long-term problems.
Helping Employees Who Need Support
Not all employees who test positive are habitual drug users.
Some may have overindulged during the holidays without realizing substances can stay in their system for days or weeks.
For example:
- THC from cannabis can stay in the body for up to 30 days.
- Cocaine and opioids clear out in 1–3 days, but their effects can linger longer.
Instead of taking a harsh approach, companies can use testing results to offer support, such as Employee Assistance Programs (EAPs) or counseling services.
Reducing Liability Risks
A workplace accident caused by an impaired employee can lead to lawsuits, higher insurance premiums, and lost productivity.
Regular drug testing helps reduce these risks by identifying issues early and ensuring all employees are fit for duty.
Â
How Employers Can Set Up a Drug Testing Program
Choosing the Right Testing Method
Employers can choose from several drug testing methods, depending on their needs:
- Urine Testing – The most common method, detects drug use from a few days prior.
- Saliva Testing – Identifies recent use, usually within the past 24 hours.
- Hair Testing – Detects long-term drug use, up to 90 days.
- Blood Testing – The most accurate, but expensive and typically used after accidents or when impairment is suspected.
Random vs. Scheduled Testing
Both types of testing have their advantages:
- Random Testing – Helps prevent drug use by keeping employees accountable.
- Scheduled Testing – Used for new hires, post-incident cases, or return-to-work evaluations.
A mix of both methods ensures fair and effective enforcement.
Working with a Reliable Drug Testing Provider
To ensure accuracy and compliance, employers should work with a professional testing provider like Countrywide Testing. A good provider will offer:
- Reliable and confidential test results
- Compliance with state and federal laws
- Custom testing programs for different industries
Â
Addressing Employee Concerns
Being Transparent About Testing Policies
Employees are more likely to accept drug testing when they understand why it’s being done.
Employers should clearly communicate:
- When and why drug testing happens.
- What substances are tested for.
- What happens if someone tests positive.
Creating a Workplace That Supports Employees
Instead of just focusing on enforcement, businesses should offer resources for employees struggling with substance use.
Confidential counseling, rehab support, and return-to-work programs can help employees get back on track.
Â
Final Thoughts
Post-holiday drug testing is a smart way for employers to ensure a safe and productive workplace.
January is the ideal time to reinforce company policies, address safety risks, and support employees who may need help.
By taking a proactive approach, businesses can reduce workplace accidents, improve productivity, and create a healthier work environment.
Contact Countrywide Testing today to set up a drug testing program that fits your company’s needs.