FAQs
Your Questions Answered About Drug & Alcohol Testing
Whether you’re an employer, driver, legal professional, or individual, understanding the testing process is key to compliance and peace of mind. Below are the most frequently asked questions we receive at Blue Water DRP LLC.

General Testing FAQs
DOT Testing FAQs
Hair Follicle Testing FAQs
Alcohol Testing FAQs
General Testing FAQs
Do I need an appointment to get tested?
No appointment is required. Walk-ins are welcome during business hours. For DOT testing, we recommend arriving during the designated window: Monday through Friday, 6:00 AM to 3:00 PM.
What do I need to bring for testing?
Please bring a valid photo ID. If your test is for employment, court, or DHS, bring any required paperwork.
How long does the testing process take?
Most tests take 15 to 30 minutes, including check-in and specimen collection.
How soon will I get my results?
- Instant urine drug test results may be available within minutes
- Lab-based drug and alcohol test results typically return within 24 to 72 hours
- Instant urine drug test results may be available within minutes
DOT Testing FAQs
Who is required to take DOT drug and alcohol tests?
Anyone working in a safety-sensitive position regulated by the Department of Transportation must comply with testing, including CDL drivers, pipeline workers, and more.
What types of DOT tests do you offer?
We provide all standard DOT tests, including:
- Pre-employment
- Random testing
- Post-accident
- Reasonable suspicion
- Return-to-duty and follow-up
- Pre-employment
Are you certified for DOT testing?
Yes. Blue Water DRP LLC is a certified collection site. Our staff is trained according to 49 CFR Part 40 standards.
Hair Follicle Testing FAQs
How far back can a hair follicle test detect drug use?
Hair follicle testing can detect drug use for up to 90 days, depending on hair length and usage frequency.
What substances does a hair follicle test detect?
Typical panels detect marijuana, cocaine, amphetamines, opiates, PCP, and more.
Is hair testing accepted by courts and DHS?
Yes. Hair follicle testing is widely accepted in legal and child welfare situations due to its extended detection window.
Alcohol Testing FAQs
What is a breath alcohol test?
A breath alcohol test measures your blood alcohol concentration (BAC) using a DOT-approved device. It's quick, non-invasive, and commonly used in employment and legal settings.
When is alcohol testing required?
Alcohol testing may be required for:
- DOT compliance
- Court orders
- Employment policies
- Post-incident or reasonable suspicion evaluations
- DOT compliance
Is your alcohol testing legally valid?
Yes. All testing follows proper chain-of-custody protocols and is conducted by certified professionals.
Still Have Questions? We’re Here to Help.
Our knowledgeable staff is always available to answer questions about the testing process, compliance requirements, or specific service details.