DOT CONSORTIUM ENROLLMENT - Harriston, MS

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

32 DOT Drug-Testing Centers in Harriston

Minutes Away, Test Today

405 Market St16.55 miles

405 Market St
Port Gibson, MS 39150

150 Jefferson Davis Blvd Ste 14024.33 miles

150 Jefferson Davis Blvd Ste 140
Natchez, MS 39120

5 Stahlman St25.24 miles

5 Stahlman St
Natchez, MS 39120

315 John R Junkin Drive25.31 miles

315 John R Junkin Drive
Natchez, MS 39120

287 Lower Woodville Rd26.27 miles

287 Lower Woodville Rd
Natchez, MS 39120

1700 Ee Wallace Blvd31.39 miles

1700 Ee Wallace Blvd
Ferriday, LA 71334

233 Magnolia St Po Box 88933.62 miles

233 Magnolia St Po Box 889
Hazlehurst, MS 39083

950 Brookway Blvd34.88 miles

950 Brookway Blvd
Brookhaven, MS 39601

940 Brookway Blvd34.89 miles

940 Brookway Blvd
Brookhaven, MS 39601

631 Brookway Blvd35.49 miles

631 Brookway Blvd
Brookhaven, MS 39601

436 N Jackson St36.00 miles

436 N Jackson St
Brookhaven, MS 39601

427 Highway 51 N37.26 miles

427 Highway 51 N
Brookhaven, MS 39601

215 Highway 51 N37.26 miles

215 Highway 51 N
Brookhaven, MS 39601

602 Highway 51 N37.26 miles

602 Highway 51 N
Brookhaven, MS 39601

213 Caldwell Dr38.58 miles

213 Caldwell Dr
Hazlehurst, MS 39083

1115 N Frontage Rd41.98 miles

1115 N Frontage Rd
Vicksburg, MS 39180

2080 S Frontage Rd42.45 miles

2080 S Frontage Rd
Vicksburg, MS 39180

123 Bo Bo Dr43.50 miles

123 Bo Bo Dr
Crystal Springs, MS 39059

104 W Railroad Ave S43.51 miles

104 W Railroad Ave S
Crystal Springs, MS 39059

1907 Mission 6643.54 miles

1907 Mission 66
Vicksburg, MS 39180

1901 Mission 6643.55 miles

1901 Mission 66
Vicksburg, MS 39180

270 W Main St43.91 miles

270 W Main St
Centreville, MS 39631

260 E Main St44.04 miles

260 E Main St
Centreville, MS 39631

104 Mcauley Dr44.26 miles

104 Mcauley Dr
Vicksburg, MS 39183

701 S Laurel St44.98 miles

701 S Laurel St
Summit, MS 39666

451 Bank St45.75 miles

451 Bank St
Woodville, MS 39669

215 Marion Ave46.44 miles

215 Marion Ave
Mccomb, MS 39648

2100 Highway 61 N46.46 miles

2100 Highway 61 N
Vicksburg, MS 39183

150 Marion Ave46.55 miles

150 Marion Ave
Mccomb, MS 39648

300 Rawls Dr Ste 30046.57 miles

300 Rawls Dr Ste 300
Mccomb, MS 39648

1308 Aston Ave46.73 miles

1308 Aston Ave
Mccomb, MS 39648

1017 Delaware Ave47.03 miles

1017 Delaware Ave
Mccomb, MS 39648

Agency Coverage & Current Minimum Random Rates

Percentages are set by each DOT agency and may change.

The Federal Motor Carrier Safety Administration (FMCSA) imposes stringent guidelines upon employers bound by 49 CFR Â382.305. Employers are mandated to operate under a compliant random testing program. In Harriston, MS, as in other states, owner-operators must be enrolled in a consortium comprising at least two covered employees.

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

USCG: United States Coast Guard (now under Homeland Security)

Marine employers under 46 CFR Part 16.230 are tasked with conducting random drug testing for employees involved in safety-sensitive functions. In Harriston, MS, this requirement holds significant importance to safeguard maritime operations.

  • 50% - Controlled Substances using a DOT 5-panel urine test
  • Alcohol testing is not a criterion under USCG random minimums
USCG Enroll Today

For those governed by the Federal Aviation Administration (FAA) under 14 CFR Part 120, it is compulsory to incorporate all safety-sensitive roles in Harriston, MS and across the nation.

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

FRA- Federal Railroad Administration

In Harriston, MS, as across the United States, railroads are obligated to develop and execute a random testing plan that has received FRA approval, adhering to the regulations set forth in 49 CFR 219.601-219.609. Compliance with these provisions is crucial for the safety and integrity of railway operations.

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

Under 49 CFR Part 655, employers must implement a scientifically valid method for selecting employees for testing. This standard is applied nationwide, including public transportation systems and employers in Harriston, MS, to maintain safety and compliance.

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

PHMSA- Pipeline & Hazardous Materials Safety Administration

Operators governed by Parts 192, 193, or 195 must subject covered employees to testing pursuant to 49 CFR Part 199. In Harriston, MS, this regulation plays an essential role in ensuring compliance with federal safety standards, particularly for companies handling transportation of hazardous materials.

  • 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?
  • A Consortium/Third Party Administrator (C/TPA) provides services for employers' drug and alcohol testing programs. This includes managing random testing pools and ensuring compliance with 49 CFR part 40.

  • Are random testing percentages always the same or do they change?
  • The percentage of DOT random tests can vary yearly based on the positivity rates. But within our consortium, all DOT random testing fees are inclusive regardless of the testing rate.

  • What happens when I am selected for a random test?
  • ADT will inform the designated employer representative or owner-operator by email or phone, providing details of the nearest testing location and necessary instructions. The person selected must proceed to the testing site immediately after notification.

  • What drugs are tested on a DOT drug test?
  • DOT drug tests include a 5-panel urine screen and a DOT breath alcohol test. Ensure all tests utilize a Federal Custody and Control Form and a Federal Alcohol Testing Form.

  • Can you help during a DOT audit or inspection?
  • Yes, ADT can assist by arranging needed documentation, including pre-employment test results, proof of random pool enrollment, training certificates for supervisors, DOT policy formation, and MIS reports.

  • How often can I update my employee pool?
  • We update employee rosters each quarter. Employers are allowed to add or remove covered 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

Harriston Drug Testing

Quickly find trusted local drug testing centers in Harriston, MS — fast, convenient, and reliable every time!

Harriston DOT Drug Testing

Quickly find a local DOT drug testing center in Harriston, MS — fast, reliable, convenient nationwide service!

Harriston DNA Testing

DNA testing for legal and non-legal purposes including child support, and child custody around Harriston, MS.

Harriston Industry Training

Including specimen collector training, DER training, reasonable suspicion training and much more in Harriston, MS.v

Harriston Hair Drug Testing

Get fast, accurate hair drug testing at our convenient Harriston, MS locations—results you can trust, every time!

Harriston Alcohol Testing

Fast, reliable alcohol testing to keep your workplace safe and compliant every single day in Harriston, MS.

Harriston Drug Testing Services

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

Harriston 5 Panel Drug Test

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

Harriston 10 Panel Drug Test

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

Harriston On Site Drug Testing

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

Harriston DOT Physicals

Certified DOT physicals with quick, reliable exams to keep Harriston, MS 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

Explained everything so no questions

Torin was great. Explained everything so no questions

Tony Lombardo - 4/18/2025

Fast service and friendly staff!

Fast service and friendly staff! Could not recommend enough for drug testing services.

Habib Malik - 4/12/2025

phone support has been excellent

I have used ADT several times. Their phone support has been excellent, both when putting in the orders and when asking for help to interpret results.

Tee Ess - 12/19/2024

Extremely pleasant

Initially Torrie helped me but I needed to call back. When I called back Kayla stepped in and finished my order. Both were extremely pleasant over the phone and provided wonderful customer service. Kudos to them!

Brynne Beverly - 4/19/2024

Clear and Competent

I was so surprised with the quality of customer service I received today when I called Accredited Drug Testing. The representative was so clear and competent. She was able to reschedule an appointment at my preferred location. The representative whose name is Justice, was so polite and competent. She expedited the whole process. It was a relief to me.

Rachel Padian - 9/6/2024

Reception is kind and helpful

Reception is kind and helpful , everything quick and simple , best urgent care

Yusuf Narmuradov - 11/19/2024

Fast,easy and efficient

Fast,easy and efficient. They made the whole process stress free and simple. Thanks 😊

Micheal Ankenbrandt - 2/19/2025

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

Great service

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

Jesse Dupre - 4/12/2025

Friendly and Knowledgeable

I reached out Accredited Drug Testing/Secure Screenings to partner for my drug testing business (Discovery Diagnostics Columbia SC) and the process was extremely easy. I worked with Sicilia who was amazing. She was friendly & knowledgeable, and answer all of my questions with ease.

Kendra Harley - 3/26/2025


(800) 221-4291