DOT CONSORTIUM ENROLLMENT - Coulterville, CA

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

35 DOT Drug-Testing Centers in Coulterville

Minutes Away, Test Today

5189 Hospital Rd18.81 miles

5189 Hospital Rd
Mariposa, CA 95338

19747 Greenley Rd20.85 miles

19747 Greenley Rd
Sonora, CA 95370

1000 Greenley Rd20.86 miles

1000 Greenley Rd
Sonora, CA 95370

940 Sylva Lane, Suite # F221.32 miles

940 Sylva Lane, Suite # F2
Sonora, CA 95370

60 Copper Cove Dr27.34 miles

60 Copper Cove Dr
Copperopolis, CA 95228

333 Mercy Ave29.41 miles

333 Mercy Ave
Merced, CA 95340

394 E Yosemite Ave29.98 miles

394 E Yosemite Ave
Merced, CA 95340

5626 Heddon Ct30.68 miles

5626 Heddon Ct
Mariposa, CA 95338

374 W Olive Ave Ste A31.02 miles

374 W Olive Ave Ste A
Merced, CA 95348

3070 M St Ste 1131.12 miles

3070 M St Ste 11
Merced, CA 95348

3605 Hospital Rd Ste H31.65 miles

3605 Hospital Rd Ste H
Atwater, CA 95301

510 W Main St Ste E32.32 miles

510 W Main St Ste E
Merced, CA 95340

9000 Ahwahnee Dr34.09 miles

9000 Ahwahnee Dr
Yosemite National Park, CA 95389

1390 W H St Ste C36.41 miles

1390 W H St Ste C
Oakdale, CA 95361

1801 Colorado Ave Ste 13037.55 miles

1801 Colorado Ave Ste 130
Turlock, CA 95382

911 E Tuolumne Rd37.58 miles

911 E Tuolumne Rd
Turlock, CA 95382

2182 Highway 437.63 miles

2182 Highway 4
Arnold, CA 95223

2000 Paulson Rd38.09 miles

2000 Paulson Rd
Turlock, CA 95380

1048 Geer Rd38.40 miles

1048 Geer Rd
Turlock, CA 95380

48677 Victoria Ln,39.60 miles

48677 Victoria Ln,
Oakhurst, CA 93644

1340 Mitchell Rd41.07 miles

1340 Mitchell Rd
Modesto, CA 95351

768 Mountain Ranch Rd41.97 miles

768 Mountain Ranch Rd
San Andreas, CA 95249

1700 Coffee Rd42.61 miles

1700 Coffee Rd
Modesto, CA 95355

600 Coffee Rd42.70 miles

600 Coffee Rd
Modesto, CA 95355

1524 Mchenry Ave. Ste 120,43.58 miles

1524 Mchenry Ave. Ste 120,
Modesto, CA 95350

1524 Mchenry Ave Ste 16043.58 miles

1524 Mchenry Ave Ste 160
Modesto, CA 95350

2112 Mchenry Ave43.60 miles

2112 Mchenry Ave
Modesto, CA 95350

1524 Mchenry Ave Ste 50043.63 miles

1524 Mchenry Ave Ste 500
Modesto, CA 95350

400 12th St Ste 2343.70 miles

400 12th St Ste 23
Modesto, CA 95354

400 12th St Suite 2343.71 miles

400 12th St Suite 23
Modesto, CA 95354

1441 Florida Ave43.75 miles

1441 Florida Ave
Modesto, CA 95350

1541 Florida Ave Ste 10243.79 miles

1541 Florida Ave Ste 102
Modesto, CA 95350

1064 Woodland Ave Ste F45.29 miles

1064 Woodland Ave Ste F
Modesto, CA 95351

3125 Conant Ave46.11 miles

3125 Conant Ave
Modesto, CA 95350

4601 Dale Rd Fl 446.59 miles

4601 Dale Rd Fl 4
Modesto, CA 95356

Agency Coverage & Current Minimum Random Rates

Percentages are set by each DOT agency and may change.

FMCSA: Federal Motor Carrier Safety Administration

Employers governed by 49 CFR 382.305 must sustain a compliant random drug and alcohol testing program. Owner-operators must be part of a consortium comprising at least two covered employees to ensure regulatory compliance within Coulterville, CA.

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

USCG: United States Coast Guard (now integrated with Homeland Security)

In the state of Coulterville, CA, marine employers regulated by 46 CFR Part 16.230 are required to carry out random drug tests for all safety-sensitive crewmembers. This measure is integral in maintaining a secure maritime environment, ensuring operations are conducted safely.

  • 50% - Controlled Substances (DOT 5-panel urine testing is conducted)
  • Alcohol - Not considered in USCG random testing requirements

Although alcohol testing is not part of the random protocol for the USCG, the controlled substances testing significantly contributes to maritime safety in Coulterville, CA and beyond.

USCG Enroll Today

FAA: Federal Aviation Administration

In Coulterville, CA, businesses under 14 CFR Part 120 must implement complete programs that embrace all safety-sensitive positions. This ensures maximum safety compliance in aviation operations.

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

FRA- Federal Railroad Administration

Railroads operating in compliance with the FRA are mandated to create and follow an approved random testing plan, as specified under 49 CFR 219.601-219.609. This requirement includes rail operations within Coulterville, CA, ensuring the safety of both freight and passenger train movements.

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 falling under 49 CFR Part 655 must utilize scientifically proven methods for random selection processes. In Coulterville, CA, this ensures public transit systems operate under the highest safety and reliability standards.

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

PHMSA- Pipeline & Hazardous Materials Safety Administration

According to the regulations specified in 49 CFR Part 199, operators under Parts 192, 193, or 195 must conduct testing for covered employees. Effective implementation of these regulations in regions such as Coulterville, CA ensures the safety and integrity of pipeline operations.

  • 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 requires it?

A consortium c/TPA is an agent responsible for managing aspects of an employer's drug and alcohol testing programs, which encompasses the formation of random testing pools and ensures compliance as outlined in 49 CFR part 40.

Do random testing percentages remain static or vary?

DOT random testing rates might fluctuate yearly due to changing positivity rates. Within our consortium, regardless of the random testing rate, all random testing fees for DOT remain included.

What occurs when selected for a random test?

ADT informs the company's DER or owner-operator via email or phone, providing details of the closest testing site and necessary instructions. The employee selected must proceed to the testing center promptly upon notification.

What substances are evaluated in a DOT drug test?

A DOT drug test involves screening for a DOT 5-panel urine and conducting a DOT breath alcohol test, ensuring every test adheres to Federal CCF and Federal Alcohol Testing Form standards.

Assistance during a DOT audit or inspection available?

Yes, ADT assists by organizing necessary documentation including pre-employment tests, confirmations of random pool enrollments, certificates for supervisor training, development of DOT policies, and MIS reports.

Frequency of employee pool updates?

Employee roster updates are confirmed quarterly, with employers having the flexibility to add or remove covered employees anytime before selection dates.

Find a DOT Drug Test Center Near You

Enter your zip code to find nearby test centers

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Coulterville Industry Training

Including specimen collector training, DER training, reasonable suspicion training and much more in Coulterville, CA.v

Coulterville Hair Drug Testing

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

Coulterville Alcohol Testing

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

Coulterville Drug Testing Services

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

Coulterville 5 Panel Drug Test

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

Coulterville 10 Panel Drug Test

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

Coulterville On Site Drug Testing

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

Coulterville DOT Physicals

Certified DOT physicals with quick, reliable exams to keep Coulterville, CA 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

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

I love the customer service

I love the customer service. The lady was patient enough to help me book my appointment with ease and ensuring I get the location that's best for me. Keep up the good work!

Elizabeth Chiaka - 9/19/2024

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

ADT is truly the best

Where do I start?!! ADT is truly the best!! I had the pleasure of speaking with Tori today! She was excellent, professional and truly went above and beyond in her kind, compassionate care and commitment to providing me with the best service possible. I was in such a time crunch, but I was able to call, order the test, pay for it over the phone and get the test I needed within the hour. Not only did this put my mind at ease, they saved my job!! I am forever grateful for this team of hard workers, that care, with such great work ethics! Thank you from the very bottom of my heart!!! If you need a drug, alcohol, etc… screening, this team will be your lifesavers!!

Sarah Patterson - 4/8/2025

Everything was great

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

Olga Petrova - 9/19/2024

Excellant Performance

The visit here is always the best . The place is always really clean. The employees are super courteous, very polite, and professional. This is the only drug lab I like to go do my drug and alcohol test. I would like to tell them thank you so much for thier excellent performance and job

Eli Gonzalez - 1/4/2025

Unbelievably fast and Easy

Unbelievably fast and Easy, I wont be using Any other provider from now on.

Ren Wisby - 4/19/2025

Fast and efficient service

Fast and efficient service for employers wanting to do pre employment drug screening that meets DOT requirements!!

Mary Thomas - 4/5/2025

Very easy to get scheduled

Very easy to get scheduled and easy process once checked in and the staff were all extremely friendly! I would recommend this company!

Ronickia Moore - 11/19/2024

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


(800) 221-4291