DOT Drug Testing - Knowlton, WI

FMCSA-USCG-FTA-FRA-FAA-PHMSA

With 38 testing centers in the Knowlton area, we offer drug and alcohol testing for employment, probation and DOT requirements. Additional services include DOT consortium enrollment, DNA Testing and background checks. Order your tests and services online or call (800) 221-4291.

38 DOT Drug-Testing Centers in Knowlton

Minutes Away, Test Today

385 Orbiting Dr

4.83 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
385 Orbiting Dr
Mosinee, WI 54455

5805 74th Avenue North

8.16 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
5805 74th Avenue North
Brooklyn, MN 54443

3301 Cranberry Blvd 2nd Fl

13.27 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3301 Cranberry Blvd 2nd Fl
Weston, WI 54476

3501 Cranberry Blvd

13.27 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-8:00 PM • Sat:,Sun: 9:00 AM-4:00 PM✓ Walk-in with Electronic Donor Pass
3501 Cranberry Blvd
Weston, WI 54476

4005 Community Center Dr

13.50 mi
🕑 Testing Hours: M-Sun: 8:00 AM-8:00 PM✓ Walk-in with Electronic Donor Pass
4005 Community Center Dr
Weston, WI 54476

320 Ross Ave Ste 14

14.17 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
320 Ross Ave Ste 14
Schofield, WI 54476

734 Ross Ave Facility 16

14.38 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-8:00 PM • Sat:,Sun: 9:00 AM-4:00 PM✓ Walk-in with Electronic Donor Pass
734 Ross Ave Facility 16
Schofield, WI 54476

5412 Us Highway 10 E

15.69 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-8:00 PM • Sat:,Sun: 9:00 AM-4:00 PM✓ Walk-in with Electronic Donor Pass
5412 Us Highway 10 E
Stevens Point, WI 54481

2600 Stewart Avenue Suite 154

16.69 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2600 Stewart Avenue Suite 154
Wausau, WI 54401

2727 Plaza Dr

17.11 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2727 Plaza Dr
Wausau, WI 54401

5409 Vern Holmes Dr

17.15 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
5409 Vern Holmes Dr
Stevens Point, WI 54482

808 3rd St Ste 108

17.27 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
808 3rd St Ste 108
Wausau, WI 54403

425 Wind Ridge Dr

17.43 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
425 Wind Ridge Dr
Wausau, WI 54401

220 24th St S

23.34 mi
🕑 Testing Hours: M-Sun: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
220 24th St S
Wisconsin Rapids, WI 54494

2031 Peach St

23.47 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2031 Peach St
Wisconsin Rapids, WI 54494

130 25th Ave S

23.67 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
130 25th Ave S
Wisconsin Rapids, WI 54495

202 E Upham St

23.67 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
202 E Upham St
Marshfield, WI 54449

1210 Parkwood Dr

24.29 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1210 Parkwood Dr
Wisconsin Rapids, WI 54494

1000 N Oak Ave

24.42 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1000 N Oak Ave
Marshfield, WI 54449

1015 Angelus Dr

29.71 mi
🕑 Testing Hours: Mon–Fri: 6:30 AM-2:30 PM✓ Walk-in with Electronic Donor Pass
1015 Angelus Dr
Nekoosa, WI 54457

110 Cedar St

30.52 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-12:00 PM & 1:00 PM-3:30 PM✓ Walk-in with Electronic Donor Pass
110 Cedar St
Tigerton, WI 54486

1205 O Day St

31.62 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1205 O Day St
Merrill, WI 54452

601 S Center Ave

31.72 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
601 S Center Ave
Merrill, WI 54452

3333 E Main St

31.90 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3333 E Main St
Merrill, WI 54452

607 N Sales St

32.38 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
607 N Sales St
Merrill, WI 54452

111 Dehne Dr

34.02 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
111 Dehne Dr
Colby, WI 54421

6493 Valley Circle Rd

35.74 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
6493 Valley Circle Rd
Plainfield, WI 54966

1019 Squire Ct

36.03 mi
🕑 Testing Hours: Mon–Fri: 8:30 AM-4:00 PM • Sat: 8:00 AM-1:00 PM✓ Walk-in with Electronic Donor Pass
1019 Squire Ct
Nekoosa, WI 54457

1160 Rome Center Dr

36.11 mi
🕑 Testing Hours: Mon–Fri: 9:00 AM-4:00 PM • Sat: 9:00 AM-2:00 PM✓ Walk-in with Electronic Donor Pass
1160 Rome Center Dr
Nekoosa, WI 54457

800 Riverside Dr

39.39 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
800 Riverside Dr
Waupaca, WI 54981

112 E 5th Ave

39.56 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
112 E 5th Ave
Antigo, WI 54409

502 E Elm Dr

39.71 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
502 E Elm Dr
Loyal, WI 54446

701 Grove Ave

42.67 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
701 Grove Ave
Wild Rose, WI 54984

601 Grove Ave

42.67 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
601 Grove Ave
Wild Rose, WI 54984

135 S Gibson St

43.81 mi
🕑 Testing Hours: ✓ Walk-in with Electronic Donor Pass
135 S Gibson St
Medford, WI 54451

102 Cannery St

45.16 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
102 Cannery St
Greenwood, WI 54437

370 S Main St

45.75 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
370 S Main St
Clintonville, WI 54929

216 Sunset Pl

46.75 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
216 Sunset Pl
Neillsville, WI 54456

DOT Drug Testing, DOT Consortium, DOT Physicals, FMCSA Clearinghouse, Serving All DOT modes

We have 38 DOT drug testing locations to serve you in and around Knowlton, WI.

Our DOT drug testing facilities in Knowlton, WI and nearby areas offer comprehensive DOT services including Drug Testing, Alcohol Testing, Physicals, Random Pools, Consortium enrollment, MIS reports, MVR reports, driver qualification, and more for Employers and single operators, meeting 49 CFR Part 40 compliance requirements. Services are convenient, within minutes from home or work, with same-day options often available.

Choose the DOT service or test you need and select a convenient location—whether for yourself or someone else. Our streamlined process makes arranging DOT drug testing near Knowlton a hassle-free experience.

When you're searching for drug testing near me or drug testing locations, we provide a simple and convenient process to find a drug and alcohol testing location near you that is certified to provide all of your drug and alcohol testing needs.

Knowlton, Wisconsin DOT Services

DOT Drug Testing & Services Available in Knowlton, WI:

Accredited Drug Testing offers comprehensive DOT services in Knowlton, WI, including drug and alcohol testing, physicals, and compliance management, tailored to meet federal transportation sector standards.

DOT Services in Knowlton, WI

DOT regulations are crucial for ensuring employee safety and compliance during drug and alcohol screening. In Knowlton, WI, strict adherence to these rules helps keep workplaces safe and productive.

Safety-sensitive transportation roles in Knowlton, Wisconsin, rely heavily on regular DOT screenings to maintain public and workplace safety, meeting all federal regulations and standards.

Employers in Knowlton, WI are mandated to adhere to DOT guidelines, ensuring drug and alcohol screenings for safety-sensitive positions meet federal requirements to prevent accidents and incidents.

Regular DOT screenings in Knowlton, Wisconsin are essential for maintaining occupational safety and compliance, helping reduce workplace hazards associated with substance misuse.

FMCSA Information

FMCSA mandates periodic drug and alcohol testing for commercial drivers in Knowlton, WI, to enhance road safety and ensure compliance with federal standards.

Knowlton, Wisconsin operators must comply with FMCSA rules for random drug testing to maintain driver eligibility and road safety.

Keeping operations safe, FMCSA enforces strict drug and alcohol policies for commercial drivers in Knowlton, WI.

USCG Information

USCG drug testing rules apply to maritime employees in Knowlton, WI, ensuring navigational safety and compliance.

Maritime operations in Knowlton, Wisconsin follow USCG protocols for regular drug screenings to protect the waterways.

The USCG mandates stringent drug and alcohol tests for seafaring roles in Knowlton, WI.

FAA Information

In Knowlton, WI, FAA mandates strict adherence to drug testing rules for aviation personnel to maintain high safety standards.

Aviation employees in Knowlton, Wisconsin are subject to FAA drug screenings to prevent impaired operations.

FAA enforces comprehensive drug policies in Knowlton, WI to ensure safety in air travel.

FRA Information

The FRA ensures railroad workers in Knowlton, WI undergo regular drug tests to maintain safety in rail transit.

Rail transportation safety in Knowlton, Wisconsin is enhanced by FRA's stringent drug testing protocols.

FRA compliance testing in Knowlton keeps rail systems safe by monitoring workers for substance abuse.

FTA Information

FTA enforces drug testing among public transit employees in Knowlton, WI, to guarantee commuter safety and service reliability.

Public transit workers in Knowlton, Wisconsin comply with FTA rules for random and periodic drug screenings.

FTA standards in Knowlton, WI include regular drug testing for transit personnel to safeguard public travel.

PHMSA Information

PHMSA rules in Knowlton, WI require regular drug testing for pipeline safety workers to prevent accidents and ensure public safety.

Workers in pipeline transportation in Knowlton, Wisconsin are under strict PHMSA substance testing guidelines.

Knowlton, WI adheres to PHMSA standards for testing workers involved in pipeline operations to avert hazards.

Scheduling in Knowlton, WI

Contact our local scheduling team at (800) 221-4291 to book any DOT drug or alcohol test in Knowlton, WI, or use our online express system by selecting your test and completing the registration. Remember, registration is required before visiting a testing center.

Your entered zip code identifies the nearest DOT testing center in Knowlton, WI for your selected test type. A donor pass with the testing center details will be emailed to you. Present this form at the center, with no appointment generally needed. Payment is required during registration.

Our laboratories are SAMHSA-certified, with test results verified by in-house physicians who act as Medical Review Officers.

Alongside offering DOT drug and breath alcohol testing in Knowlton, WI, we provide ample centers throughout the metro area and beyond.

Whether on the road or vacationing, Accredited Drug Testing schedules tests nationwide, at any place, any time.

Wisconsin Dept. of Transportation Updates

Marathon County, WI DUI Statistics

Marathon County, where Knowlton, WI is located, is not exempt from facing DUI-related issues. The Wisconsin Department of Transportation (WisDOT) regularly publishes data on DUI incidents, which unfortunately highlight a concerning trend within the county. As part of statewide assessments, Marathon County has shown a prevalence of DUI offenses, outpacing some of its neighboring counties. WisDOT reports indicate that alcohol-impaired driving account for a significant number of traffic incidents in Wisconsin annually, and Marathon County reflects these statistics with a steady occurrence of DUI-related accidents. Concerted efforts between local enforcement and WisDOT initiatives aim to reduce these numbers through increased checkpoints, community education, and harsher penalties for offenders. These efforts are part of a larger strategy in Wisconsin to mitigate the impact of DUI incidents and improve road safety.

Drug-Involved Accidents in Marathon County, WI

Drug-involved traffic accidents remain a significant concern for WisDOT and local communities in Wisconsin, including those in Knowlton, WI, located in Marathon County. Statistics show an ongoing battle against the rise of accidents involving drugs, both prescription and illegal, in the area. Marathon County, like many parts of WI, follows the worrying state trend where drug-related accidents reflect an upswing. Data collection and studies by the Wisconsin Department of Transportation show that drug-impaired driving is an issue requiring immediate and ongoing attention. Collaborative efforts involving law enforcement, public health entities, and WisDOT are geared towards curbing this trend by promoting awareness and instituting stricter enforcement measures.

Marijuana-Related Accidents in Marathon County, WI

In recent years, marijuana-related accidents in Marathon County, encompassing Knowlton, WI, have drawn attention from both WisDOT and local law enforcement agencies. As states across the U.S., including Wisconsin, grapple with the implications of marijuana legalization and its impact on road safety, Marathon County reflects these challenges. The Wisconsin Department of Transportation has noted an increase in accidents where drivers tested positive for THC, the active component in marijuana. This issue has prompted authorities within Marathon County and the state to enhance training for identifying marijuana impairment and reinforcing the importance of safe driving through broader public safety campaigns. Efforts are ongoing to balance legalization debates with effective road safety strategies.

Knowlton Drug Testing

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

Knowlton DOT Drug Testing

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

Knowlton DNA Testing

DNA testing for legal and non-legal purposes including child support, and child custody around Knowlton, WI.

Knowlton Industry Training

Including specimen collector training, DER training, reasonable suspicion training and much more in Knowlton, WI.v

Knowlton Hair Drug Testing

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

Knowlton Alcohol Testing

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

Knowlton Drug Testing Services

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

Knowlton 5 Panel Drug Test

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

Knowlton 10 Panel Drug Test

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

Knowlton On Site Drug Testing

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

Knowlton DOT Physicals

Certified DOT physicals with quick, reliable exams to keep Knowlton, WI 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 drug test is a federally regulated drug test required for safety-sensitive transportation employees, such as CDL drivers. It is collected and processed under specific DOT procedures (49 CFR Part 40), including strict chain of custody, certified lab analysis, and documented results appropriate for DOT compliance."
DOT testing applies to employees in safety-sensitive roles, including commercial drivers and other regulated transportation workers. Employers must ensure pre-employment testing, random testing, post-accident testing, reasonable suspicion testing, return-to-duty, and follow-up testing are performed as required."
Yes. Accredited Drug Testing maintains access to DOT-compliant collection sites nationwide. Drivers and employers can schedule testing at a nearby location for required DOT drug and alcohol tests, including urgent post-accident or reasonable suspicion testing."
DOT-required testing includes pre-employment, random, post-accident, reasonable suspicion/reasonable cause, return-to-duty, and follow-up testing. For alcohol, evidential breath testing devices are used to document alcohol concentration following DOT protocol."
Yes. Solo CDL drivers and owner-operators are still subject to DOT testing requirements. They must participate in a compliant random testing program and complete required testing events using DOT-approved processes. Accredited Drug Testing assists in meeting these obligations."
If a DOT drug test screen is not negative, the specimen is sent for confirmatory testing using more specific laboratory methods. Final results are documented and reported according to DOT rules. An employee who has a violation must complete the DOT return-to-duty and follow-up process before resuming safety-sensitive work."
Yes. DOT drug and alcohol test results are released only to authorized employer representatives and are maintained in compliance files for DOT purposes. Results are handled in a controlled and confidential manner."
Yes. Accredited Drug Testing supports urgent post-accident and reasonable suspicion testing because DOT rules require timely documentation of possible impairment following an incident or observed behavior in a safety-sensitive environment."

Customer Reviews

Fantastic Experience

Fantastic experience from the beginning. Jocelyn was very helpful to me as someone who doesn’t have much experience in needing a test. They were very helpful and walked me through the entire process start to finish. Thank you ADT!

Riley Wilson - 2/18/2025

Explained everything so no questions

Torin was great. Explained everything so no questions

Tony Lombardo - 4/18/2025

Fast and easy

It was fast and easy a pleasure to talk to the customer service people great service

Peter Villegas - 1/19/2025

Extremely polite

They were very fast extremely polite walked you through every detail of the process if you had any questions they had no problems answering

Billy Williams - 2/19/2025

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

Really Helpful

I am just really happy to see that the location near me still offers hair follicle tests!! They are really helpful when any false positives happen, waiting on my results. Hope they come fast!

Kali Collins - 1/16/2025

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

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

Reception is kind and helpful

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

Yusuf Narmuradov - 11/19/2024

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


(800) 221-4291