Pre-Employment Testing
Schedule DOT pre-employment drug testing before a CDL driver performs safety-sensitive work.
CDL Inquiry helps CDL drivers, owner-operators, and small fleets schedule DOT drug and alcohol testing in South Dakota, including pre-employment, random, post-accident, reasonable suspicion, return-to-duty, and follow-up testing.
If you need DOT drug testing in South Dakota, CDL Inquiry can help coordinate testing through a nationwide collection-site network. We support CDL drivers, owner-operators, and employers that need testing for FMCSA compliance, hiring, random testing programs, post-accident situations, return-to-duty requirements, and follow-up testing.
Schedule DOT pre-employment drug testing before a CDL driver performs safety-sensitive work.
Support for DOT random drug and alcohol testing programs for CDL drivers and covered employers.
Coordinate DOT post-accident drug and alcohol testing when testing is required after a qualifying event.
Testing support when trained supervisors identify signs that may require DOT reasonable suspicion testing.
RTD and follow-up testing support for drivers working through the DOT return-to-duty process.
Helpful support for testing coordination, documentation, and employer compliance organization.
CDL Inquiry’s main program is DOT consortium enrollment for CDL drivers, owner-operators, and small fleets. Our flat-rate annual enrollment is built to keep the process simple and affordable.
For $110 per driver per year, CDL Inquiry includes the pre-employment drug test, random drug testing, and random alcohol testing. That means no separate random test fees during the enrollment year.
CDL Inquiry helps drivers and employers access DOT testing options across South Dakota. Common service areas include Sioux Falls, Rapid City, Aberdeen, Brookings, Watertown, Mitchell, Pierre, Yankton, Huron, and surrounding communities.
Collection-site availability can vary by location, test type, and timing. Call CDL Inquiry before going to a site so your donor registration, payment, and testing instructions can be handled correctly.
CDL Inquiry makes scheduling straightforward. Before visiting a collection site, you should complete registration and receive your donor pass or testing instructions. This helps avoid delays and ensures the collection site has the correct information.
Call 424-444-6615 or start with the DOT consortium enrollment page.
Get testing instructions, donor registration details, and collection-site information.
Visit the assigned collection site and complete the required DOT testing process.
DOT drug and alcohol testing may be required for several situations involving CDL drivers and safety-sensitive transportation work. CDL Inquiry can help coordinate testing and explain which service is needed based on your situation.
DOT compliance is not just about taking a test. Employers also need to stay organized with policies, records, driver information, testing documentation, and required follow-up steps when a violation occurs.
CDL Inquiry supports South Dakota CDL drivers, owner-operators, and small fleets by helping with testing coordination and enrollment support. If you are an owner-operator or single-driver operation, DOT consortium enrollment is especially important because owner-operators must participate in a consortium random testing pool.
CDL Inquiry’s $110 annual consortium enrollment includes the pre-employment drug test, random drug testing, and random alcohol testing. Event-based testing is priced separately.
For official guidance, review the FMCSA Drug and Alcohol Testing Program , the FMCSA owner-operator consortium guidance , and DOT 49 CFR Part 40 procedures .
Appointment requirements depend on the collection site and test type. Pre-registration and payment should be completed before going to a testing site.
Yes. CDL Inquiry offers flat-rate DOT consortium enrollment for $110 per driver per year, including the pre-employment drug test and random drug and alcohol testing.
No. RTD and follow-up direct observation testing are event-based services and are priced separately at $95.
Yes. CDL Inquiry supports CDL owner-operators who need DOT consortium enrollment and random testing pool participation.
CDL Inquiry helps drivers, owner-operators, and small fleets arrange DOT drug testing in South Dakota with clear instructions, testing support, and access to DOT consortium enrollment. If you need DOT drug testing in South Dakota for pre-employment, random testing, post-accident testing, or return-to-duty requirements, our team can help coordinate the next step.
CDL Inquiry can help with South Dakota DOT drug testing, alcohol testing, and flat-rate DOT consortium enrollment for CDL drivers, owner-operators, and small fleets.
Enroll in DOT Consortium