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

Drug Testing Locations in Nada, TX

With 38 testing centers in the Nada 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

38 Drug-Testing Centers in Nada

Same-Day Electronic Donor Pass Accepted at All Locations Below

Minutes Away, Test Today

610 S Austin Rd

12.85 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
610 S Austin Rd
Eagle Lake, TX 77434

600 S Austin Rd

12.87 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
600 S Austin Rd
Eagle Lake, TX 77434

305 Sandy Corner Rd

14.10 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
305 Sandy Corner Rd
El Campo, TX 77437

303 Sandy Corner Rd

14.11 mi
🕑 Testing Hours: ✓ Walk-in with Electronic Donor Pass
303 Sandy Corner Rd
El Campo, TX 77437

1602 N Mechanic St

14.69 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1602 N Mechanic St
El Campo, TX 77437

110 Merchant St

16.04 mi
🕑 Testing Hours: Mon–Fri: 9:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
110 Merchant St
El Campo, TX 77437

2100 Regional Medical Dr

16.92 mi
🕑 Testing Hours: ✓ Walk-in with Electronic Donor Pass
2100 Regional Medical Dr
Wharton, TX 77488

10141 Us 59 Rd

18.38 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
10141 Us 59 Rd
Wharton, TX 77488

304 Dewees St

22.97 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
304 Dewees St
Columbus, TX 78934

1036 N Circle Dr

28.67 mi
🕑 Testing Hours: ✓ Walk-in with Electronic Donor Pass
1036 N Circle Dr
Sealy, TX 77474

1036 N Circle St Ste 101

28.84 mi
🕑 Testing Hours: ✓ Walk-in with Electronic Donor Pass
1036 N Circle St Ste 101
Sealy, TX 77474

1013 S Wells St

31.02 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1013 S Wells St
Edna, TX 77957

402 Youens Dr

31.14 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
402 Youens Dr
Weimar, TX 78962

1730 Bf Terry Blvd Suite 702

33.08 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1730 Bf Terry Blvd Suite 702
Rosenberg, TX 77471

3006 School St

33.09 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3006 School St
Needville, TX 77461

1400 N Texana St

33.57 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1400 N Texana St
Hallettsville, TX 77964

205 East Ave Ste B

36.42 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
205 East Ave Ste B
Schulenburg, TX 78956

3926 Avenue H Ste 11

37.64 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3926 Avenue H Ste 11
Rosenberg, TX 77471

4114 Avenue H

37.73 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
4114 Avenue H
Rosenberg, TX 77471

1120 Avenue G

37.97 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1120 Avenue G
Bay City, TX 77414

104 7th St

38.00 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
104 7th St
Bay City, TX 77414

24601 Southwest Freeway Ste 100

38.02 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
24601 Southwest Freeway Ste 100
Rosenberg, TX 77471

826 S Meyer

38.30 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
826 S Meyer
Sealy, TX 77474

2520 B F Terry Blvd

38.32 mi
🕑 Testing Hours: ✓ Walk-in with Electronic Donor Pass
2520 B F Terry Blvd
Rosenberg, TX 77471

2113 Avenue G Ste A

38.54 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
2113 Avenue G Ste A
Bay City, TX 77414

235 W Palm St Ste 105

38.59 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
235 W Palm St Ste 105
Bellville, TX 77418

1730 B F Terry Blvd Ste 302

38.61 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1730 B F Terry Blvd Ste 302
Rosenberg, TX 77471

1601 Main St Ste 405

38.89 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1601 Main St Ste 405
Richmond, TX 77469

1601 Main St Ste 208,

38.89 mi
🕑 Facility: Mon–Fri: 07:00 AM - 03:30 PM⚡ Drug Screens: Mon–Fri: 07:30 AM - 12:30 PM, 01:30 PM - 04:00 PM
1601 Main St Ste 208,
Richmond, TX 77469

1705 Jackson St

38.92 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1705 Jackson St
Richmond, TX 77469

111 Avenue F

40.11 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
111 Avenue F
Bay City, TX 77414

10705 Spring Green Blvd Ste 600

40.59 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
10705 Spring Green Blvd Ste 600
Katy, TX 77494

7101 W Grand Pkwy S

42.00 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
7101 W Grand Pkwy S
Richmond, TX 77407

5510-a W Grand Pkwy S

42.00 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
5510-a W Grand Pkwy S
Richmond, TX 77406

6501 S Fry Rd Ste 1000

42.67 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
6501 S Fry Rd Ste 1000
Katy, TX 77494

25765 Katy Fwy

42.67 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
25765 Katy Fwy
Katy, TX 77494

9098 County Road 360

43.36 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
9098 County Road 360
Sweeny, TX 77480

23900 Katy Fwy

44.60 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
23900 Katy Fwy
Katy, TX 77494

Employment, DOT, Court Ordered, Probation, Family

Accredited Drug Testing delivers wide-ranging drug and alcohol assessments at 38 testing locations around Nada, Texas. We conduct DOT and non-DOT urine screenings, breath alcohol assessments, EtG alcohol tests, and hair drug analyses, catering to individuals, employers, and legal cases. Nada, TX offers rapid result testing alongside SAMSA lab-certified analytics, with same-day service often available, and most centers are just a short commute from your residence or workplace. Our services also extend to Occupational Health Testing, Clinical Testing and Background Checks.

Dial (800) 221-4291 or register through our online platform. Choose your preferred test and a convenient location—our services are accessible for personal use, employees, or other individuals. Setting an appointment is Quick and Convenient, either via our scheduling team or through our 24/7 online system. This efficient approach simplifies the process of coordinating drug tests near Nada.

* 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 Nada, TX

1

Order Online or Call

Select your test & search nearby Nada 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.

Nada, TX Drug Testing

Drug Testing Services Available at Our Nada, TX Labs:

At our Nada 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

Texas Drug Testing Laws & Compliance in Nada

SAMHSA Certified • MRO Verified

Accredited Drug Testing provides employer and individual screening in Nada, TX adhering strictly to Tex. Lab. Code § 411.091, federal DOT 49 CFR Part 40 guidelines, and certified SAMHSA laboratory chain-of-custody standards.

Statutory Citation
Tex. Lab. Code § 411.091
Medical Marijuana
Legal (Medical)
Recreational Cannabis
Prohibited
Workplace Rights
Zero-Tolerance Protected

Texas Labor Code § 411.091 mandates written policy distribution for employer drug testing programs while supporting broad pre-employment and random testing rights.

Under Tex. Lab. Code § 411.091, employers in Nada 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 (Medical); Recreational: Prohibited in Texas), 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 Nada, 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 Nada and Texas.

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 Nada, TX

Minutes Away, Same-Day Donor Pass

Accredited Drug Testing operates collection centers strategically positioned throughout Nada 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 Nada Neighborhoods Covered:

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

Major Employment & Commercial Hubs Served:

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

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

Surrounding Areas Served Near Nada

Garwood • New Taiton • Matthews • Glen Flora • Altair • Lake Colorado City • Eagle Lake • Lissie

Nada, TX 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 Nada.

Test Type & Local Panel Detection Window Common Use Cases in Nada Turnaround Time
5-Panel Urine Screen in Nada →
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 Nada →
Adds Benzodiazepines, Barbiturates, Methadone, Propoxyphene
1 to 7 Days Healthcare Staffing, Corporate Policies & Court Orders 24 to 48 Hours
Hair Follicle Drug Test in Nada →
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 Nada →
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 Nada →
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 Nada →
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 Nada, TX

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 Nada.

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 Nada facility or job site for groups of 25+ employees.

Local Testing Resource Network

More Drug & Alcohol Testing Options in Nada, TX

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

Nada Drug Testing

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

Nada DOT Drug Testing

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

Nada DNA Testing

DNA testing for legal and non-legal purposes including child support, and child custody around Nada, TX.

Nada Industry Training

Including specimen collector training, DER training, reasonable suspicion training and much more in Nada, TX.v

Nada Hair Drug Testing

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

Nada Alcohol Testing

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

Nada Drug Testing Services

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

Nada 5 Panel Drug Test

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

Nada 10 Panel Drug Test

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

Nada On Site Drug Testing

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

Nada DOT Physicals

Certified DOT physicals with quick, reliable exams to keep Nada, 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

In Texas, workplace drug testing is governed by statutory guidelines under Tex. Lab. Code § 411.091. Private employers generally operate under a Texas Labor Code § 411.091 guidelines, permitting pre-employment, random, post-accident, and reasonable suspicion testing.
Yes. Employers in Texas who implement a certified Drug-Free Workplace Program in compliance with Tex. Lab. Code § 411.091 can qualify for insurance premium discounts and enhanced legal protections during workers' compensation claims.
Under Texas state law compliance standards, state statutes allows broad pre-employment, random, and post-accident testing. Safety-sensitive positions, DOT-regulated roles, and federal contract compliance remain strictly zero-tolerance across all jurisdictions.
Accredited Drug Testing provides access to 38 certified collection sites in the Nada area, offering urine, hair follicle, breath alcohol, and DOT testing.
While walk-ins are welcome with an electronic donor pass at collection sites across Nada, 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