✓ Same-Day Walk-Ins Welcome ✓ Digital Donor Pass in Minutes ✓ No Doctor Order Required ✓ SAMHSA-Certified Labs

Drug Testing Locations in Knife River, MN

With 20 testing centers in the Knife River 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.

Urine (5, 10, 12, 14-Panel) Hair Follicle (90-Day) DOT Drug & Alcohol Court & Probation Oral Fluid / Saliva EtG Alcohol
🕑 Collection Site Hours: Monday – Friday: 8:00 AM – 4:00 PM • ✓ Walk-in with Electronic Donor Pass • Saturday – Sunday: Closed

20 Drug-Testing Centers in Knife River

Same-Day Electronic Donor Pass Accepted at All Locations Below

Minutes Away, Test Today

1010 4th St

7.61 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1010 4th St
Two Harbors, MN 55616

325 11th Ave

7.69 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
325 11th Ave
Two Harbors, MN 55616

1011 E 1st St

17.93 mi
🕑 Testing Hours: ✓ Walk-in with Electronic Donor Pass
1011 E 1st St
Duluth, MN 55805

400 E 3rd St

18.49 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
400 E 3rd St
Duluth, MN 55805

1705 Maple Grove Rd

20.59 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1705 Maple Grove Rd
Duluth, MN 55811

4884 Miller Trunk Hwy

21.33 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
4884 Miller Trunk Hwy
Hermantown, MN 55811

1810 N 16th St

22.12 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1810 N 16th St
Superior, WI 54880

4702 Grand Ave

22.91 mi
🕑 Testing Hours: ✓ Walk-in with Electronic Donor Pass
4702 Grand Ave
Duluth, MN 55807

3500 Tower Ave

23.20 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3500 Tower Ave
Superior, WI 54880

3600 Tower Ave

23.27 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3600 Tower Ave
Superior, WI 54880

1705 Tower Lane Suite 101

23.77 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1705 Tower Lane Suite 101
Superior, WI 54880

50 Outer Dr

34.19 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
50 Outer Dr
Silver Bay, MN 55614

512 Skyline Blvd

35.61 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
512 Skyline Blvd
Cloquet, MN 55720

417 Skyline Blvd

35.76 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
417 Skyline Blvd
Cloquet, MN 55720

Po Box 221

42.33 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
Po Box 221
Solon Springs, WI 54873

1001 Main St W

48.79 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1001 Main St W
Ashland, WI 54806

415 Ellis Ave

49.20 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
415 Ellis Ave
Ashland, WI 54806

1022 Lake Shore Dr E

49.27 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1022 Lake Shore Dr E
Ashland, WI 54806

1625 Maple Ln

49.71 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1625 Maple Ln
Ashland, WI 54806

1615 Maple Ln

49.77 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1615 Maple Ln
Ashland, WI 54806

Employment, DOT, Court Ordered, Probation, Family

Accredited Drug Testing delivers a wide range of drug and alcohol testing services in 20 testing facilities throughout Knife River, Minnesota. Our offerings include DOT and non-DOT urine drug screenings, breath alcohol tests, EtG alcohol evaluations, and hair drug tests for personal, employment, and legal requirements. Rapid results and SAMSA certified lab analysis are accessible in Knife River, MN, with most locations situated conveniently close to you. Additional benefits include Occupational Health Testing, Clinical Assessments, and Background Verifications.

Contact us by phone at (800) 221-4291 or go online to register. Select the test you need and pick a site nearby—ideal for personal, employee, or third-party testing. Our platform makes scheduling a test quick and simple; call our team or book online anytime. Experience a hassle-free setup for your drug testing needs around Knife River with our efficient and straightforward system.

* You must register by phone or online to receive your donor pass/registration prior to proceeding to the testing center. You must bring a valid government issued ID along with the registration/barcode number which was sent to you by email.

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.

How the Drug Testing Process Works in Knife River, MN

1

Order Online or Call

Select your test & search nearby Knife River collection sites.

2

Get Donor Pass

Receive your donor pass by email or SMS immediately.

3

Visit Collection Center

Walk in with donor pass & photo ID. No appointment needed.

4

Fast Results

Secure results delivered confidentially in 24-48 hours.

Knife River, MN Drug Testing

Drug Testing Services Available at Our Knife River, MN Labs:

At our Knife River drug testing collection sites, Accredited Drug Testing provides one of the widest selections of drug and alcohol testing services available. Whether you're an employer, attorney, court, or private individual, we offer both DOT and non-DOT testing options—ranging from rapid tests to comprehensive lab-based screenings—capable of detecting nearly any substance.

Mobile/On-Site Drug Testing

If you're an employer needing to test 25 or more employees and looking to save time and money, we offer mobile on-site drug testing where we come to you. Call us today for more information.

Official Legal & Regulatory Framework

Minnesota Drug Testing Laws & Compliance in Knife River

SAMHSA Certified • MRO Verified

Accredited Drug Testing provides employer and individual screening in Knife River, MN adhering strictly to Minn. Stat. § 181.950 et seq., federal DOT 49 CFR Part 40 guidelines, and certified SAMHSA laboratory chain-of-custody standards.

Statutory Citation
Minn. Stat. § 181.950 et seq.
Medical Marijuana
Legal
Recreational Cannabis
Legal
Workplace Rights
Zero-Tolerance Protected

Minnesota Drug and Alcohol Testing in the Workplace Act (DATWA) outlines specific written notice, confirmatory testing, and employee rights standards.

Under Minn. Stat. § 181.950 et seq., employers in Knife River may institute comprehensive drug-free workplace programs including:

  • Pre-Employment Screening: Conditional job offer testing for all applicants.
  • Reasonable Suspicion Testing: Objective, documented behavioral signs of impairment.
  • Post-Accident Testing: Mandatory screening following workplace injuries or property damage.
  • Random Testing: Unannounced selection for safety-sensitive roles and machinery operators.
  • Workers' Comp Incentives: Verified testing programs provide premium discounts on state workers' compensation insurance policies.

While cannabis statutes continue evolving across the United States (Medical: Legal; Recreational: Legal in Minnesota), employers retain the legal prerogative to prohibit substance impairment on job premises, during operational shifts, and while operating company vehicles.

Federal regulations, Department of Transportation (DOT) mandates, and safety-sensitive positions strictly prohibit marijuana use regardless of state cannabis status. ADT provides both standard THC screening and non-THC customized drug panels for private employers wishing to adapt to state-specific hiring preferences.

For commercial drivers, maritime operators, aviation crews, and transit personnel operating in Knife River, all testing follows rigorous Department of Transportation (DOT) standards governed by 49 CFR Part 40:

  • Federal 5-Panel Regulated Urine Screen: Tested for Marijuana, Cocaine, Amphetamines/Methamphetamines, Opioids (Codeine, Morphine, Heroin, Hydrocodone, Hydromorphone, Oxycodone, Oxymorphone), and PCP.
  • SAMHSA Accredited Laboratories: Zero compromise on testing accuracy with gas chromatography/mass spectrometry (GC/MS) confirmation.
  • Medical Review Officer (MRO): Every non-negative specimen is reviewed by a licensed physician MRO before reporting.
  • FMCSA Clearinghouse Reporting: Real-time reporting of verified positive tests and refusals to test into the federal driver clearinghouse database.

Accredited Drug Testing provides legally admissible drug and alcohol screening for county court dockets, child custody hearings, probation requirements, and pretrial diversion programs throughout Knife River and Minnesota.

All specimens undergo observed or witnessed collection procedures when ordered by the court, accompanied by rigorous Federal Chain of Custody Forms (CCF). Turnaround time is rapid, and official certificates of analysis can be forwarded directly to your attorney, court case officer, or probation supervisor upon release.

Hyper-Local Proximity Coverage

Neighborhoods & Service Districts in Knife River, MN

Minutes Away, Same-Day Donor Pass

Accredited Drug Testing operates collection centers strategically positioned throughout Knife River to ensure fast donor access with minimal drive times. Walk-ins are welcomed with an immediate electronic donor pass across all major neighborhoods and transit corridors:

Key Knife River Neighborhoods Covered:

● Downtown Knife River ● Central Business District ● North Knife River Commercial Corridor ● South Knife River Industrial Park ● East Knife River Metro Area ● West Knife River Trade Center ● Medical & Healthcare District ● Airport / Logistics Corridor

Major Employment & Commercial Hubs Served:

Knife River Main Street Commercial District • Knife River Regional Trade Center • County Industrial Parkway • Metro Healthcare & Occupational Medical Corridor

Located anywhere in Knife River? Receive your electronic pass in under 5 minutes.
Order Test Online →

Surrounding Areas Served Near Knife River

Larsmont • French River • Two Harbors • Arnold • Castle Danger • Duluth • Wales • London

Knife River, MN Drug & Alcohol Test Panels & Detection Windows

Select a test panel below to review specific drug compounds screened, detection timeframes, and instant electronic pass registration in Knife River.

Test Type & Local Panel Detection Window Common Use Cases in Knife River Turnaround Time
5-Panel Urine Screen in Knife River →
THC, Cocaine, Basic Opiates, Amphetamines, PCP
1 to 5 Days Pre-Employment, Workplace Safety & Non-DOT Randoms 24 to 48 Hours
10-Panel Urine Screen in Knife River →
Adds Benzodiazepines, Barbiturates, Methadone, Propoxyphene
1 to 7 Days Healthcare Staffing, Corporate Policies & Court Orders 24 to 48 Hours
Hair Follicle Drug Test in Knife River →
Long-term historical pattern analysis (90-day window)
Up to 90 Days Child Custody, Legal Defense & Executive Screening 3 to 5 Business Days
DOT Drug & Alcohol Test in Knife River →
49 CFR Part 40 compliant with CCF & MRO verification
1 to 5 Days FMCSA, FAA, FRA, FTA, USCG Regulated Drivers & Crew 24 to 48 Hours
ETG & Breath Alcohol in Knife River →
Evidential breath testing or 80-hour urine EtG metabolite
Breath: 0–12 Hrs
EtG: Up to 80 Hrs
Zero-Tolerance Workplace, Post-Accident & Probation Immediate to 48 Hours
DOT Physical Exam in Knife River →
FMCSA NRCME certified medical examiner card (Form MCSA-5876)
1 to 2 Year Card Commercial Driver License (CDL) Medical Certification Same-Day Medical Card
Full-Service Testing Solutions

Occupational Health & Specialized Screening in Knife River, MN

Beyond standard urine screening, Accredited Drug Testing delivers end-to-end occupational medical solutions, DOT credentialing, court-admissible forensic testing, and employer background compliance.

NRCME Certified

DOT Physicals & Medical Cards

FMCSA-compliant examinations conducted by certified medical examiners. Instant driver medical certificate renewal across Knife River.

AABB Accredited

Court Legal DNA & Paternity

100% court-admissible legal paternity, maternity, sibling, and grandparentage testing with strict chain of custody for family court.

FCRA Compliant

Background Checks & MVR

Comprehensive pre-employment screening, nationwide criminal history searches, and Motor Vehicle Records (MVR) for driver compliance.

Long Detection Window

90-Day Hair Follicle Drug Test

Tamper-resistant 90-day historical substance screening. Preferred by family courts, custody attorneys, and zero-tolerance employers.

Instant & Lab Confirmed

Breath Alcohol & 80-Hr EtG

Evidential breath alcohol testing (BAT) and 80-hour EtG urine/hair metabolite analysis for probation monitoring and workplace safety.

We Come to You

Mobile On-Site Group Testing

Certified mobile collection technicians dispatched directly to your Knife River facility or job site for groups of 25+ employees.

Local Testing Resource Network

More Drug & Alcohol Testing Options in Knife River, MN

Need immediate walk-in service in Knife River? View our Walk-In Drug Testing Near Me in Knife River, MN facility guide or order an instant electronic donor pass online.

Knife River Drug Testing

Quickly find trusted local drug testing centers in Knife River, MN — fast, convenient, and reliable every time!

Knife River DOT Drug Testing

Quickly find a local DOT drug testing center in Knife River, MN — fast, reliable, convenient nationwide service!

Knife River DNA Testing

DNA testing for legal and non-legal purposes including child support, and child custody around Knife River, MN.

Knife River Industry Training

Including specimen collector training, DER training, reasonable suspicion training and much more in Knife River, MN.v

Knife River Hair Drug Testing

Get fast, accurate hair drug testing at our convenient Knife River, MN locations—results you can trust, every time!

Knife River Alcohol Testing

Fast, reliable alcohol testing to keep your workplace safe and compliant every single day in Knife River, MN.

Knife River Drug Testing Services

Reliable nationwide drug testing services ensuring accuracy, compliance, and quick results for businesses and individuals in Knife River, MN.

Knife River 5 Panel Drug Test

Accurate 5 panel drug testing with fast, confidential results—trusted by Knife River, MN employers and individuals nationwide.

Knife River 10 Panel Drug Test

Comprehensive 10 panel drug testing with fast, reliable results—trusted for Knife River, MN workplace and personal testing needs.

Knife River On Site Drug Testing

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

Knife River DOT Physicals

Certified DOT physicals with quick, reliable exams to keep Knife River, MN 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

In Minnesota, workplace drug testing is governed by statutory guidelines under Minn. Stat. § 181.950 et seq.. Private employers generally operate under a Minnesota DATWA (Minn. Stat. § 181.950), permitting pre-employment, random, post-accident, and reasonable suspicion testing.
Yes. Employers in Minnesota who implement a certified Drug-Free Workplace Program in compliance with Minn. Stat. § 181.950 et seq. can qualify for insurance premium discounts and enhanced legal protections during workers' compensation claims.
Under Minnesota state law compliance standards, state statutes protects medical cannabis registry patients for non-safety roles. Safety-sensitive positions, DOT-regulated roles, and federal contract compliance remain strictly zero-tolerance across all jurisdictions.
Accredited Drug Testing provides access to 20 certified collection sites in the Knife River area, offering urine, hair follicle, breath alcohol, and DOT testing.
While walk-ins are welcome with an electronic donor pass at collection sites across Knife River, registering your test online or calling (800) 221-4291 prior to visiting guarantees rapid priority specimen collection with an instant barcode pass.
Negative drug and alcohol test results are typically released within 24 to 48 hours of specimen processing. Any non-negative screenings undergo confirmatory GC/MS or LC/MS testing and licensed Medical Review Officer (MRO) verification within 3 to 5 business days.

Customer Reviews

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

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

Accredited has been wonderful to work with!

Accredited has been wonderful to work with! My court ordered tests are on a very strange schedule but every time I call, they are quick to schedule me and are always able to find a location that works for where I’m at and when! Thank you for making this rather undesirable situation less stressful and efficient.

Madison Sanderford - 8/19/2024


(800) 221-4291