Drug Test Services - Gonzales, TX

Urine | Hair | DOT | Oral Fluid | Alcohol/ETG | Occupational Health

With 38 testing centers in the Gonzales 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 Drug Test Service Centers in Gonzales

Minutes Away, Test Today

1526 Water St

4.25 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1526 Water St
Gonzales, TX 78629

1110 E Sarah Dewitt Dr

5.58 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1110 E Sarah Dewitt Dr
Gonzales, TX 78629

130 Hays St

17.80 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
130 Hays St
Luling, TX 78648

107 East 7th St

19.67 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
107 East 7th St
Shiner, TX 77984

1200 Carl Ramert Dr

24.04 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1200 Carl Ramert Dr
Yoakum, TX 77995

402 Hubbard St

24.06 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
402 Hubbard St
Yoakum, TX 77995

1635 Old Gonzales Rd

24.45 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1635 Old Gonzales Rd
Cuero, TX 77954

1129 N Esplanade St

27.89 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1129 N Esplanade St
Cuero, TX 77954

2500 N Esplanade St Ste 104

27.89 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2500 N Esplanade St Ste 104
Cuero, TX 77954

1375 E Walnut St

28.14 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1375 E Walnut St
Seguin, TX 78155

1347 E Court St

28.55 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-8:00 PM • Sat:,Sun: 9:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
1347 E Court St
Seguin, TX 78155

1215 E Court St

28.64 mi
🕑 Testing Hours: Mon–Fri: 10:00 AM-4:30 PM✓ Walk-in with Electronic Donor Pass
1215 E Court St
Seguin, TX 78155

300 S Colorado St Ste A

30.60 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
300 S Colorado St Ste A
Lockhart, TX 78644

5 Professional Plz

30.72 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
5 Professional Plz
Lockhart, TX 78644

1400 N Texana St

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

13857 Us Highway 87 W

35.46 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
13857 Us Highway 87 W
La Vernia, TX 78121

1050 N Ih 35

38.52 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1050 N Ih 35
New Braunfels, TX 78130

965 N Walnut Ave Ste 500a

38.52 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
965 N Walnut Ave Ste 500a
New Braunfels, TX 78130

1305 Wonder World Dr

38.71 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1305 Wonder World Dr
San Marcos, TX 78666

1301 Wonder World Dr

38.72 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1301 Wonder World Dr
San Marcos, TX 78666

900 Bugg Ln Ste 210

38.86 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
900 Bugg Ln Ste 210
San Marcos, TX 78666

205 East Ave Ste B

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

301 N Guadalupe St

39.97 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
301 N Guadalupe St
San Marcos, TX 78666

915 Highway 80

40.52 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
915 Highway 80
San Marcos, TX 78666

1528 Common St Ste 6

40.78 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1528 Common St Ste 6
New Braunfels, TX 78130

1348 N State Highway 123 Ste A

40.80 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1348 N State Highway 123 Ste A
San Marcos, TX 78666

1329 W San Antonio St

41.90 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1329 W San Antonio St
New Braunfels, TX 78130

215 N Washington St

42.75 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
215 N Washington St
La Grange, TX 78945

135 Bunton Creek Rd Ste 100

44.16 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
135 Bunton Creek Rd Ste 100
Kyle, TX 78640

800 Highway 71 E

44.78 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
800 Highway 71 E
Smithville, TX 78957

1409 10th St

45.31 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1409 10th St
Floresville, TX 78114

402 Youens Dr

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

10001 S Interstate 35 Ste 300

45.82 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
10001 S Interstate 35 Ste 300
Austin, TX 78747

3910 S Interstate 35 Ste 300

45.82 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3910 S Interstate 35 Ste 300
Austin, TX 78704

110 N Interstate 35 Ste 260

45.82 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
110 N Interstate 35 Ste 260
Round Rock, TX 78681

110 N Interstate 35 Ste 315-170

45.82 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
110 N Interstate 35 Ste 315-170
Round Rock, TX 78681

2000 S Interstate 35 Ste N5

45.82 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2000 S Interstate 35 Ste N5
Round Rock, TX 78681

1941 S Interstate 35 Ste 113

45.82 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1941 S Interstate 35 Ste 113
San Marcos, TX 78666

Employers | Individuals | Families

Accredited Drug Testing provides comprehensive drug and alcohol testing services to promote workplace safety, meet compliance requirements, and support legal or personal needs for testing. Drug Testing helps prevent accidents, ensures a drug-free workplace,and meets Federal mandates such as those outlined by the Department of Transportation (DOT)

Drug Testing Services

Customized Testing Options Available | Discounts available for Bulk Purchases | Onsite Drug Testing Services

Urine Drug Testing Services

Urine drug testing is a reliable and non-invasive method used to detect drugs in an individual's system. This type of testing is commonly employed in workplaces and for personal screening purposes. Results from urine drug tests can reveal recent drug use, typically within the past few days.

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Purpose of Urine Drug Testing

  • Pre-employment screening
  • Random workplace testing
  • Post-accident investigation
  • Reasonable suspicion testing
  • Compliance with legal requirements

What Drugs Can Be Detected

  • Marijuana
  • Cocaine
  • Methamphetamine
  • Opiates
  • Benzodiazepines

In Gonzales, Texas, urine drug tests are a standard protocol for ensuring workplace safety and compliance with federal and state regulations. They offer a balance between effectiveness and affordability, making them a popular choice.

Order Your Test Online

Alcohol Test Services

Alcohol testing in Gonzales, Texas plays a critical role in ensuring social and professional environments adhere to safety and legal standards. By measuring alcohol consumed through various testing methods, this practice helps deter and address alcohol misuse, maintaining accountability in different sectors and personal circumstances.

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Alcohol Testing is used in many settings

  • Workplace compliance
  • Legal and court-ordered mandates
  • Rehabilitation program monitoring
  • Sports organizations
  • Transportation industry
  • Personal health assessments

Common Methods of Alcohol Testing

  • Breathalyzer
  • Blood test
  • Saliva test
  • Urine test
  • Hair test

Breathalyzer - Detects current alcohol levels through breath samples.

Blood test - Provides the most accurate measurement of BAC.

Saliva test - Offers quick results for recent alcohol consumption.

Urine test - Used to measure alcohol levels over a longer detection window.

Hair test - Ideal for detecting alcohol usage over an extended period.

Order Your Test Online

Hair Follicle Drug Testing Services

Hair follicle drug testing captures drug use over an extended period by analyzing hair samples and is less intrusive than other methods. It can identify repeated substance use, providing a comprehensive view of an individual's drug history. Hair testing is reliable and difficult to tamper with. Learn More

Why Use Hair Drug Testing?

  • Long Detection Window
  • Non-Invasive Collection Method
  • Reliable Results
  • Unalterable
  • Effective for Chronic Use Detection

What Drugs Can Be Detected

  • Marijuana
  • Cocaine
  • Methamphetamines
  • Opiates
  • PCP
  • Ecstasy (MDMA)

Through hair follicle testing, employers, legal authorities, and families in Gonzales, Texas can achieve an in-depth understanding of drug use, reinforcing prevention and compliance measures statewide.

Order Your Test Online

DOT Drug Testing Services

DOT drug testing in , Gonzales, Texas mandates substance screenings for safety-sensitive transportation employees as defined by the Department of Transportation. This standardized testing ensures the safety of the public by enforcing strict guidelines to maintain a drug-free transportation network across the state, maximizing reliability.

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Who is Required to Take DOT Drug Tests?

  • Commercial drivers
  • Aviation workers
  • Railroad employees
  • Maritime crew
  • Pipeline operators
  • Transit employees
  • Hazardous material handlers

What Drugs Are Tested For

  • Cocaine
  • Marijuana
  • Opiates
  • Amphetamines
  • Methamphetamines
  • Phencyclidine (PCP)

Ensuring compliance with DOT regulations in Gonzales, Texas through rigorous drug testing produces a safer public transport system. It is crucial in promoting safety, reliability, and trust within the community the transportation industries serve.

Order Your Test Online

Probation Drug Testing Services

Probation drug testing in , PA is integral to the justice system, ensuring probationers remain compliant with legal conditions. It involves regular testing for substance use to aid rehabilitation and maintain public safety.

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Why Are Probation Drug Test Services Available?

  • Deterrence: Discourages drug use.
  • Rehabilitation: Supports treatment.
  • Monitoring: Tracks progress.
  • Compliance: Ensures rule adherence.
  • Protection: Safeguards community.

Testing Methods

  • Urine tests: Common and cost-effective.
  • Hair follicle tests: Long-term detection.
  • Saliva tests: Short detection window.
  • Blood tests: Highly accurate.

Across , Gonzales, Texas, probation drug testing fulfills legal mandates, supports rehabilitation efforts, and enhances community safety by monitoring compliance effectively.

Order Your Test Online

Court Ordered Drug Testing Services

Court ordered drug testing in Gonzales, Texas mandates individuals to undergo drug testing to comply with legal orders. This is often part of a rehabilitation or probation program, ensuring that individuals remain substance-free. The program aims to reduce recidivism, support rehabilitation, and uphold the law.

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Why are Court Ordered Drug Test Services Available?

  • Ensure compliance
  • Support rehabilitation
  • Monitor substance use
  • Reduce recidivism
  • Protect public safety

Court Ordered Test Methods

  • Urine tests: Easy for frequent use
  • Hair follicle tests: Long-term detection
  • Saliva tests: Immediate analysis
  • Blood tests: Accurate measures
  • Nail tests: Extended window

In Gonzales, Texas, court ordered drug testing is an integral part of enforcing legal orders and supporting rehabilitation, ensuring public safety and aiding in the legal process.

Order Your Test Online

Fingernail Drug Testing Services

Fingernail drug testing analyzes the keratin fibers of nails to detect drug use, offering a long detection window. This non-invasive method is increasingly popular in Gonzales, Texas, known for accuracy and resistance to external contamination, making it suitable for various testing needs.

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What is the Detection Window for Fingernail Drug Tests

  • Fingernails: 3-6 months of history
  • Toenails: Longer growth cycle, similar detection to fingernails

What Drugs Can Be Detected

  • Marijuana
  • Cocaine
  • Opiates
  • Amphetamines
  • PCP

Advantages over other methods

  • Easy to collect
  • Long detection range
  • Non-invasive procedure
  • Reliable and accurate
  • Minimally affected by external factors

Gonzales, Texas relies on fingernail testing for its persistence and comprehensive drug use detection, making it valuable in various professional and legal contexts.

Order Your Test Online

Occupational Health Test Services

Occupational health testing in Gonzales, Texas is a crucial process for ensuring workplace safety and employee well-being. It encompasses various tests aimed at diagnosing potential health risks, promoting productivity, and maintaining a healthy work environment. Across industries, health screening plays a fundamental role in safeguarding both workers and organizational assets.

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Purpose of Occupational Health Testing

  • Ensure workplace safety
  • Enhance employee health
  • Reduce work-related injuries
  • Ensure compliance with regulations
  • Improve productivity

Common Types of Occupational Health Tests

  • Fitness for duty exams: Assess readiness for responsibilities.
  • Respirator Fit Testing: Ensures safety equipment efficacy.
  • Pulmonary Function Tests (PFT's): Evaluates lung capacity.
  • Tuberculosis (TB): Screens for infectious diseases.
  • Vision: Checks eyesight health related to job.
  • Audiometric: Tests for hearing capabilities.

Through efficient health testing programs, Gonzales, Texas's enterprises aim to cultivate an environment where the workforce thrives in a safe and healthy setting, fostering greater operational success.

Order Your Test Online

Drug Statistics for Gonzales, Texas

Drug-Related Statistics for Gonzales, Texas:

  • According to recent data, Gonzales County has seen fluctuations in drug-related incidents, with local law enforcement agencies actively working to manage and reduce these cases.
  • Community-based initiatives in Gonzales have been implemented to address substance abuse, focusing on education and prevention programs targeting youth and at-risk populations.
  • Healthcare facilities in Gonzales report an incremental increase in substance abuse treatment admissions, reflecting a growing awareness and effort to seek help among residents.
  • The rate of drug-induced deaths in Gonzales remains below the national average, thanks to proactive measures by public health departments and local organizations.

Drug Testing Regulations in Texas

Employer drug testing in Gonzales must comply with state guidelines under Tex. Lab. Code § 411.091. Texas Labor Code § 411.091 mandates written policy distribution for employer drug testing programs while supporting broad pre-employment and random testing rights.

Medical Marijuana Status: Legal (Medical)  |  Recreational Marijuana Status: Prohibited

Surrounding Areas Served Near Gonzales

Cost • Oak Forest • Bebe • Belmont • Saturn • Satin • Harwood • Leesville

Drug & Alcohol Test Selection & Panel Comparison

Test Type / Panel Detection Window Common Applications Turnaround Time
5-Panel Urine Screen 1 to 5 Days Standard Pre-Employment, Random & Workplace Testing 24 to 48 Hours
10-Panel Urine Screen 1 to 7 Days Expanded Employment, Healthcare & Probation 24 to 48 Hours
Hair Follicle Drug Test Up to 90 Days Long-Term Monitoring, Court-Ordered & Custody 3 to 5 Business Days
Oral Fluid / Saliva Screen 1 to 48 Hours Immediate Recent-Use Screening & On-Site Testing 24 to 48 Hours
ETG Alcohol Testing Up to 80 Hours Court-Ordered Alcohol Abstinence & Probation Monitoring 24 to 48 Hours

Gonzales Drug Testing

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

Gonzales DOT Drug Testing

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

Gonzales DNA Testing

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

Gonzales Industry Training

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

Gonzales Hair Drug Testing

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

Gonzales Alcohol Testing

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

Gonzales Drug Testing Services

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

Gonzales 5 Panel Drug Test

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

Gonzales 10 Panel Drug Test

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

Gonzales On Site Drug Testing

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

Gonzales DOT Physicals

Certified DOT physicals with quick, reliable exams to keep Gonzales, 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 0 certified collection sites in the Gonzales area, offering urine, hair follicle, breath alcohol, and DOT testing.
While walk-ins are welcome with an electronic donor pass at collection sites across Gonzales, 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

This is by far the easiest

This is by far the easiest way to get my lab work ordered and paid for. The phone calls are short and to the point. They don’t try to push extra sales on you and when I walk in to the clinic I simply show my donor pass and with in a matter of minutes I’m done. I will continue to use ADT in the future.

Jason Jackson - 7/19/2025

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


(800) 221-4291