DOT CONSORTIUM ENROLLMENT - Columbus, TX

Random Drug & Alcohol Testing Program
FMCSA - FAA - USCG - FTA - FRA - PHMSA

All Random Test Fees Included


Our DOT Consortium Membership includes quarterly random selections, notifications by email & phone, testing site coordination, MIS reporting, and a Certificate of Compliance upon enrollment. Owner-operators DOT-regulated employers Certificate of Compliance.

  • We offer 1, 2 and 3 year memberships (multi-year discounts)
  • All random selection testing and testing fees included (no hidden costs)
  • MIS report at year-end and upon request
  • DER support, Clearinghouse assistance (FMCSA), DOT Physicals, MVR Reports & Supervisor Training

Why is a DOT Consortium Required?

Owner Operators- DOT requires all owner-operators to enroll in a consortium so they are included in a compliant random testing pool because they cannot randomly test themselves.

Small Employers-Some smaller companies may not have enough drivers or safety-sensitive employees to maintain their own statistically valid random pool. Therefore, by joining a consortium, they are combined with other companies to form a large pool that meets DOT testing requirements.

Large Employers-Larger fleets may manage their own random pool but often use a consortium/TPA to outsource the process, reduce administrative burden, and ensure strict compliance.

How Our DOT Consortium Works

Step 1: Enroll: Select a 1, 2, or 3 year membership and receive your Certificate of Compliance by email.

Quarterly Selections: We process our consortiums using a scientifically valid, computer-generated random draws each quarter.

Immediate Notifications: If selected, your DER receives email & phone notice with selection instructions.

Testing & Results: Visit the assigned testing center. ADT will manage CCFs, lab processing, and reporting.

MIS Reporting: Year-end and on-demand MIS reports included.

Included With Membership

  • All random selection test fees (drug & alcohol where applicable)
  • DER support & audit-ready documentation
  • Federal CCFs (5-part) for DOT drug tests
  • FMCSA Clearinghouse registration assistance
  • Policy templates (DOT Drug & Alcohol)
  • Supervisor reasonable-suspicion training options

40 DOT Drug-Testing Centers in Columbus

Minutes Away, Test Today

304 Dewees St0.26 miles

304 Dewees St
Columbus, TX 78934

600 S Austin Rd14.24 miles

600 S Austin Rd
Eagle Lake, TX 77434

610 S Austin Rd14.24 miles

610 S Austin Rd
Eagle Lake, TX 77434

402 Youens Dr14.73 miles

402 Youens Dr
Weimar, TX 78962

205 East Ave Ste B21.60 miles

205 East Ave Ste B
Schulenburg, TX 78956

1036 N Circle St Ste 10123.32 miles

1036 N Circle St Ste 101
Sealy, TX 77474

826 S Meyer23.40 miles

826 S Meyer
Sealy, TX 77474

1036 N Circle Dr23.44 miles

1036 N Circle Dr
Sealy, TX 77474

235 W Palm St Ste 10523.89 miles

235 W Palm St Ste 105
Bellville, TX 77418

890 E Travis St24.19 miles

890 E Travis St
La Grange, TX 78945

2 Saint Marks Pl Ste 11225.34 miles

2 Saint Marks Pl Ste 112
Lagrange, TX 78945

1400 N Texana St29.23 miles

1400 N Texana St
Hallettsville, TX 77964

514 Hwy 290 W31.36 miles

514 Hwy 290 W
Brenham, TX 77833

700 Medical Pkwy31.50 miles

700 Medical Pkwy
Brenham, TX 77833

600 N Park St33.17 miles

600 N Park St
Brenham, TX 77833

10141 Us 59 Rd35.74 miles

10141 Us 59 Rd
Wharton, TX 77488

2100 Regional Medical Dr36.39 miles

2100 Regional Medical Dr
Wharton, TX 77488

305 Sandy Corner Rd36.89 miles

305 Sandy Corner Rd
El Campo, TX 77437

303 Sandy Corner Rd36.89 miles

303 Sandy Corner Rd
El Campo, TX 77437

1602 N Mechanic St37.48 miles

1602 N Mechanic St
El Campo, TX 77437

110 Merchant St38.82 miles

110 Merchant St
El Campo, TX 77437

1509 E Austin St Ste A Po Box 32739.26 miles

1509 E Austin St Ste A Po Box 327
Giddings, TX 78942

1209 S Main St39.84 miles

1209 S Main St
Giddings, TX 78942

843 E Industry St Ste 140.13 miles

843 E Industry St Ste 1
Giddings, TX 78942

647 N Harris St40.63 miles

647 N Harris St
Giddings, TX 78942

1730 Bf Terry Blvd Suite 70242.16 miles

1730 Bf Terry Blvd Suite 702
Rosenberg, TX 77471

107 East 7th St42.41 miles

107 East 7th St
Shiner, TX 77984

215 N Washington St42.54 miles

215 N Washington St
La Grange, TX 78945

10705 Spring Green Blvd Ste 60043.38 miles

10705 Spring Green Blvd Ste 600
Katy, TX 77494

25765 Katy Fwy43.47 miles

25765 Katy Fwy
Katy, TX 77494

1200 Carl Ramert Dr45.00 miles

1200 Carl Ramert Dr
Yoakum, TX 77995

23900 Katy Fwy45.51 miles

23900 Katy Fwy
Katy, TX 77494

6501 S Fry Rd Ste 100046.11 miles

6501 S Fry Rd Ste 1000
Katy, TX 77494

800 Highway 71 E46.24 miles

800 Highway 71 E
Smithville, TX 78957

402 Hubbard St46.27 miles

402 Hubbard St
Yoakum, TX 77995

3926 Avenue H Ste 1146.32 miles

3926 Avenue H Ste 11
Rosenberg, TX 77471

4114 Avenue H46.37 miles

4114 Avenue H
Rosenberg, TX 77471

7101 W Grand Pkwy S46.68 miles

7101 W Grand Pkwy S
Richmond, TX 77407

5510-a W Grand Pkwy S46.68 miles

5510-a W Grand Pkwy S
Richmond, TX 77406

1013 S Wells St46.77 miles

1013 S Wells St
Edna, TX 77957

Agency Coverage & Current Minimum Random Rates

Percentages are set by each DOT agency and may change.

FMCSA: Federal Motor Carrier Safety Administration

In the state of Columbus, TX, employers governed by 49 CFR Â382.305 are obligated to uphold a compliant random testing program. Specifically, owner-operators must be part of a consortium group comprised of two or more covered employees. Within this regulatory framework:

  • 50% - covers Controlled Substances via a standard DOT 5-panel urine test
  • 10% - covers DOT Breath Alcohol Testing (BAT)
FMCSA Enroll Today

USCG: United States Coast Guard (under Homeland Security) guidelines require marine employers operating under 46 CFR Part 16.230 to conduct random drug testing for crewmembers in safety-sensitive roles.

This is essential in ensuring maritime safety and compliance throughout the Unites States, including waterways and ports in Columbus, TX.

  • 50% - Controlled Substances (DOT 5-panel urine)
  • Alcohol - Not applicable for USCG random minimums
USCG Enroll Today

FAA: Federal Aviation Administration

Under the mandates of 14 CFR Part 120, employers must incorporate all safety-sensitive operations into their drug and alcohol testing protocols. Columbus, TX, as a major hub for aviation, necessitates stringent adherence to these rules to maintain safety and compliance.

  • 25% - Controlled Substances (DOT 5-panel urine)
  • 10% - Breath Alcohol Testing (BAT)
FAA Enroll Today

FRA- Federal Railroad Administration

FRA sets a high standard for rail operations in Columbus, TX, demanding the submission and implementation of an FRA-approved random testing plan in accordance with 49 CFR 219.601-219.609, which is instrumental in underscoring the importance placed on safety and compliance within this sector.

Employee Category Drugs Alcohol
Covered Service 25% 10%
Maintenance of Way / Roadway Workers 25% 10%
Mechanical 50% 25%
FRA Enroll Today

FTA- Federal Transit Administration

Employers operating under 49 CFR Part 655 must utilize a scientifically valid selection method for their random testing procedures. This is particularly important in states like Columbus, TX, where ensuring the safety of public transport systems is a critical concern.

  • 50%- Drugs
  • 10%-  Alcohol
FTA Enroll Today

PHMSA- Pipeline & Hazardous Materials Safety Administration

Operators, including those in Columbus, TX, subject to Parts 192, 193, or 195, are mandated to conduct testing of covered employees in accordance with 49 CFR Part 199.

  • 50%-Drugs
  • Alcohol- N/A (no PHMSA random alcohol minimum)
PHMSA Enroll Today

Who Must Be in a DOT Random Program?

  • Truck drivers (CDL) & motor carriers
  • Train engineers, conductors, dispatchers
  • Merchant mariners & marine employers
  • Airline pilots, flight attendants, mechanics, ATC
  • Pipeline operations, maintenance & emergency response
  • Transit operations, maintenance & certain CDL roles

Owner-Operators , Small, Medium & Large Employers

Joining our DOT consortium is the fastest way to achieve immediate compliance. We provide the Certificate of Compliance, random selections, MIS reports and testing coordination.

ENROLL TODAY

Complete Compliance Package for Independent Operators & Small Companies

  • 1 DOT Drug Test
  • First-year Consortium membership (all randoms included)
  • 1 Supervisor training (reasonable suspicion)
  • 1 DOT Drug & Alcohol Policy
  • 1 Certificate of Compliance

Need more tests? Additional DOT drug tests can be added at a discount.

Enroll Today! (800) 221-4291

Enroll in the DOT Consortium

Enroll Today

Immediate compliance for DOT random testing. Perfect for owner-operators and employers of any size.

  • Quarterly random selections & notifications
  • All random test fees included
  • MIS reporting & audit support
  • CCFs, policy templates, DER guidance

Are there penalties for non compliance?

Failing to comply with DOT drug and alcohol testing requirements can result in severe consequences for both employers and drivers, including:

  • Quarterly random selections & notifications
  • All random test fees included
  • MIS reporting & audit support
  • CCFs, policy templates, DER guidance

DOT Consortium: Frequently Asked Questions

What is a DOT Consortium (C/TPA) and who needs it?

Answer: A consortium C/TPA refers to a service provider that oversees parts or all of an employer's drug and alcohol testing initiatives, managing the random testing pools and fulfilling compliance requirements dictated by 49 CFR part 40.

Are random testing percentages always the same or do they change?

Answer: The rates for DOT random testing can fluctuate yearly depending on the positivity rates. However, within our consortium, all fees related to DOT random testing are covered regardless of these rate changes.

What happens when I am selected for a random test?

Answer: ADT will inform the Designated Employer Representative (DER) or the Owner Operator via email or phone, indicating the nearest testing venue and necessary instructions. The chosen employee should proceed directly to the testing center upon notification.

What drugs are tested on a DOT drug test?

Answer: A DOT drug test evaluates controlled substances using a DOT 5-panel urine test along with a DOT breath alcohol test. It's crucial to perform all tests on a Federal CCF and Federal Alcohol Testing Form.

Can you help during a DOT audit or inspection?

Answer: Yes, ADT can assist in assembling essential documentation like pre-employment test results, evidence of random pool membership, supervisor training certificates, DOT policy creation, and MIS reports.

How often can I update my employee pool?

Answer: Employers may update their employee lists every quarter, with the flexibility to add or remove employees at any time before the selection dates.

Find a DOT Drug Test Center Near You

Enter your zip code to find nearby test centers

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Columbus Hair Drug Testing

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Columbus Alcohol Testing

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Columbus Drug Testing Services

Reliable nationwide drug testing services ensuring accuracy, compliance, and quick results for businesses and individuals in Columbus, TX.

Columbus 5 Panel Drug Test

Accurate 5 panel drug testing with fast, confidential results—trusted by Columbus, TX employers and individuals nationwide.

Columbus 10 Panel Drug Test

Comprehensive 10 panel drug testing with fast, reliable results—trusted for Columbus, TX workplace and personal testing needs.

Columbus On Site Drug Testing

Convenient on-site mobile drug testing with fast, reliable results—saving time while keeping your Columbus, TX workplace compliant.

Columbus DOT Physicals

Certified DOT physicals with quick, reliable exams to keep Columbus, TX drivers compliant and on the road with confidence.

DOT Consortium

Join our DOT consortium for hassle-free compliance, random testing management, and reliable driver safety solutions.


Frequently Asked Questions

A DOT Consortium is a program that manages random drug and alcohol testing for DOT-regulated employers and owner-operators. It ensures compliance with federal testing requirements by maintaining a random selection pool, managing notifications, and handling test scheduling and reporting.
All employers and owner-operators who fall under DOT agency regulations — including FMCSA, FAA, FTA, FRA, PHMSA, and USCG — must participate in a random drug and alcohol testing program. Owner-operators must join a third-party consortium to meet compliance standards.
Enrollment includes participation in a DOT-approved random testing pool, random drug and alcohol tests, test scheduling, employee notifications, Certificate of Compliance, and annual MIS reporting. Accredited Drug Testing also provides program administration, policy assistance, and ongoing compliance support.
Enrollment can be completed online at accrediteddrugtesting.com by selecting the DOT Consortium Enrollment option, or by calling (800) 221-4291. Once enrolled, participants receive immediate documentation and compliance materials.
Each enrolled company or owner-operator receives a Certificate of Compliance, MIS reports, and other documentation verifying participation in a DOT-compliant random testing pool. These records help demonstrate compliance during DOT audits or inspections.
Yes. Accredited Drug Testing’s consortium program automatically manages all random selections and notifications. When a driver or employee is selected, Accredited coordinates testing at a nearby collection site and provides results reporting and recordkeeping.

Customer Reviews

Saved My CDL!

Time was running out before my Cdl got downgraded because of a violation I had on clearinghouse. I couldn't find an employer to send me for my return to duty test, but these guys had my test scheduled and done in the same day! They saved my cdl. Thank you again!

Michael Williams - 12/2/2024

Great service

Great service easy use quick processing! Need a hair follicle for my DCFS case , quick and convenient!

Jesse Dupre - 4/12/2025

quick to assist

They are very quick to assist with your orders and they helped when I needed to find a new testing facility.

Gary Matkin - 2/19/2025

Super helpful

Customer service was surprisingly super helpful and so nice. She was able to get me in at a local location right away the same day. She helped me figure out exactly what I needed. Very impressed.

Brook - 9/19/2024

Super Easy to Schedule

Super easy to schedule and get what you need, weather for a job, personal, or court ordered! I believe I spoke with Justine who was helpful in answering all my questions and stayed on the phone with me until she was sure I was all set and got the emails I needed.

Mandy Ryan - 12/14/2024

Everything was great

Everything was great, the staff was very polite. Thank you.

Olga Petrova - 9/19/2024

Thank You!!

I needed a quick drug test for visitation with my children. I called at 6am they answered and set me up with a place a couple miles from my house to go get the test done, that was on Wednesday, I had the results on Friday afternoon and was able to see my kids on Saturday. Thank you for the help!

Mark Broadhead - 2/12/2025

Very Fun and Easy

Trish last week and Tatiana this week, very fun and easy folks to deal with. Well be using them more and more in the future.

Tom O - 12/19/2024

Super Helpful

Detricia was super helpful in making sure that the drug test is sent my worker for was the right one I needed for my company to be compliant with my customers drug test requirements.

Kevin Howell - 12/19/2024

Very professional and very quick

Very professional and very quick service to schedule appointments! I am pleased with the services and would definitely recommend using them for any drug testing needs!

Carrie Feerick - 4/19/2025


(800) 221-4291