What Happens After a 1st Failed Drug Test on Probation in Texas?

What Counts as a Failed Drug Test on Texas Probation?

A “failed” drug test on Texas probation is any test where the result violates the conditions of probation set by the sentencing court. The most common scenario is a positive urinalysis for a controlled substance — marijuana, cocaine, methamphetamine, opioids without prescription — but a “fail” can also include diluted samples, missed tests, refusals, and positive tests for alcohol where alcohol abstinence is a condition.

Texas community supervision (the formal name for probation) is governed by Chapter 42A of the Texas Code of Criminal Procedure. The conditions set under Article 42A.301 commonly include compliance with drug testing as ordered by the supervising community supervision and corrections department (CSCD).

A positive test, by itself, is not a conviction. It is the trigger that starts a procedural sequence — and how that sequence unfolds determines whether probation continues, is modified, or is revoked.

How a Failed Drug Test Triggers a Motion to Revoke or Adjudicate

After a positive drug test, the supervising probation officer typically files a violation report with the court. The court then has several options under Texas Code of Criminal Procedure Article 42A.108:

• Take no action — pass the violation without formal court response (rare for drug test failures).
• Modify conditions — under Article 42A.755, the court can adjust probation conditions without revoking — adding treatment, increasing testing frequency, imposing a short jail term (“trip”), or adding community service.
• File a Motion to Revoke — if the defendant is on straight probation (a conviction with a probated sentence).
• File a Motion to Adjudicate — if the defendant is on deferred adjudication (no conviction; entry of judgment was deferred).

Either motion triggers a capias (warrant), an arrest, a bond, and a hearing where the State must prove the violation. For deeper background on probation defense strategy generally, see our probation revocation page.

Motion to Revoke vs. Motion to Adjudicate: Why the Difference Matters

This is the most important distinction in Texas probation defense, and it is poorly explained in most online sources.

Motion to Revoke applies to straight probation — the defendant was convicted, the court imposed a sentence, and then probated it. If the State proves the violation, the court can impose the original sentence — but cannot exceed it. If the original sentence was 5 years in TDCJ, the worst outcome is 5 years. The conviction was already entered at the original plea or trial.

Motion to Adjudicate applies to deferred adjudication — there was no conviction at the original plea. The court accepted the plea but deferred entry of judgment, instead placing the defendant on community supervision. If the State proves the violation, the court enters a final conviction and may impose any sentence within the full statutory range for the underlying offense. If the underlying charge was a second-degree felony (2-20 years), the court can impose anywhere in that 2-20 year range — often significantly higher than the deferred terms originally negotiated.

The difference matters because:

• A 1st failed drug test on straight probation is usually a modification-of-conditions outcome.
• A 1st failed drug test on deferred adjudication is a much higher-stakes event, because the full sentencing range opens back up.

Texas Code of Criminal Procedure Article 42A.108 governs both procedures. Defense strategy must be calibrated to which kind of supervision is in place.

After a Positive Test: The Texas Procedural Sequence

Texas probation drug-test violations follow a fixed procedural sequence:

Test administration. Probation officer (or a CSCD-contracted lab) collects the sample, usually urinalysis. Chain of custody begins at collection.

Initial result. Most CSCDs use instant screening tests at the office. A positive screen is typically confirmed by lab GC-MS or LC-MS testing — but some offices act on the screening result alone.

Probation officer notification. The officer is informed of the result, often within 24-72 hours. The officer reviews the supervision history and decides on recommendation.

Officer’s recommendation to the court. The officer files a written violation report and recommendation. Options include: no action, modification of conditions, motion to revoke (straight probation), motion to adjudicate (deferred adjudication).

Court’s decision on the motion. If the court accepts the recommendation, it issues a capias (arrest warrant) and sets a hearing date. Bond is set under Article 17.151.

Arrest and bond. The defendant is arrested on the capias. Bond may be high or denied entirely depending on the original offense and the violation type.

Revocation or adjudication hearing. The State presents evidence; the defense cross-examines and presents mitigation. The judge decides — modify, continue, revoke, or adjudicate.

In Travis, Williamson, Hays, and Bell Counties — the firm’s main practice counties — the pace from positive test to hearing varies between 30 and 120 days. Bond decisions and hearing dates are court-specific.

What Punishment Range a Court Can Impose

The court’s punishment range depends on which kind of probation and the underlying offense:

Supervision Type	Court Action	Punishment Range
Straight probation	Modify conditions	Additional testing, treatment, jail “trip” (typically 30-90 days), community service, extended term
Straight probation	Revoke	Impose original sentence (cannot exceed)
Deferred adjudication	Modify conditions	Same modification options as above
Deferred adjudication	Adjudicate (convict)	Full statutory range for the underlying offense, often higher than deferred terms

Under Article 42A.755, modification is available without requiring revocation. A skilled defense attorney often negotiates a modification (treatment, sanction time) in exchange for the State withdrawing or holding the revocation/adjudication motion.

Defenses to a Probation Drug Test Violation in Texas

Defenses to a failed-drug-test allegation are not interchangeable. The strongest defense in any given case depends on the test, the substance, the supervision type, and the supervising court. The firm’s intake review covers:

Chain of custody. The sample’s path from collection to lab analysis must be documented. Gaps or transfers without signed custody records create exclusion grounds.

Lab accreditation and procedure. Texas-accepted labs follow specific protocols. Documentation that the testing facility was certified and that protocols were followed is required. Some smaller CSCD-contracted labs have had accreditation lapses.

False-positive substance interactions. Prescription medications, over-the-counter products, and certain foods can produce positive screens. A confirmed lab GC-MS result distinguishes true positives from screening false positives — but only if the office ordered the confirmation.

Dilution vs. failure interpretation. A diluted sample is not automatically a “failed” test. Texas case law distinguishes evidence of intentional dilution (which is a violation) from incidental dilution from hydration.

Confrontation Clause. Under Texas case law and the U.S. Supreme Court’s Melendez-Diaz line of cases, the State may need to bring the lab analyst to a contested hearing rather than relying on a paper report. This is a significant evidentiary hurdle.

Constitutional collection challenges. In rare cases, the manner of test collection itself raises Fourth Amendment issues, particularly with random off-site or directly-observed collection scenarios.

David White and Kenneth Hines have litigated probation violations across Travis, Williamson, and Hays Counties. The firm has obtained modifications of conditions, withdrawn motions to revoke, and continued probation outcomes where the State could not meet its preponderance burden.

How a Texas Probation Defense Attorney Changes the Outcome

The hours and days after a failed drug test are when defense work has the most leverage. Probation officers have substantial discretion in what to recommend. A defense attorney involved at this stage can:

• Present mitigation directly to the supervising officer. Treatment enrollment, employment proof, character references, and a written response can shift the recommendation from revocation/adjudication to modification of conditions.
• Negotiate with the prosecuting agency. In many Central Texas counties, prosecutors will hold or dismiss a motion to revoke in exchange for additional supervision conditions or a “trip” — short jail time without revocation.
• Prepare the hearing record. If a hearing becomes inevitable, defense work in the prior weeks — gathering treatment records, employer letters, character witnesses — determines outcomes far more than what happens at the hearing itself.
• Challenge the test. Where the test itself is defective (chain of custody, lab procedure, false positive), the State’s case can collapse before mitigation is even necessary.
• Develop evidence on the underlying allegations. When the motion to revoke or adjudicate is based on new charges in another county, the firm investigates the underlying case — even where local counsel handles the new charges directly. In one recent Travis County 403rd District Court deferred-adjudication case, the firm investigated a Galveston County forgery allegation that triggered a motion to adjudicate on the underlying state jail felony. The firm developed proof that the client had been scapegoated by another person’s conduct. Upon presenting that evidence to the prosecutor and setting the adjudication for a contested hearing, the State dismissed its motion. The client continued on deferred adjudication from where she left off and ultimately discharged successfully — case dismissed, no conviction.

The firm answers calls 24 hours a day. Kenneth Hines and Taylor Kacir handle after-hours intake. The first 48 hours after a positive test are usually the most important.

“When you hire this firm, you get a named attorney from intake through resolution. The lawyer who explains your case at signing is the lawyer who appears at every setting. We do not hand cases off to whoever is at docket call.”

David D. White

Austin Criminal Defense Lawyer

Travis County Results — Past 24 Months

Over the past two years, our office has obtained favorable outcomes for clients charged with felony offenses in Travis County, including 14 felony dismissals, 11 dismissals through diversion or alternative resolution, 2 grand jury no-bills, 18 misdemeanor dismissals, and 1 motion-to-adjudicate dismissal. These results came from cases handled across the 147th, 167th, 299th, 331st, 427th, 450th, and 460th Judicial District Courts and County Courts at Law Nos. 3, 4, 5, 6, 7, and 8. Travis County operates nine felony district courts, and our office has appeared in seven of the nine over this period.

Our practice extends beyond Travis County into Williamson, Hays, Bell, Caldwell, Bastrop, Burnet, Coryell, Milam, and Lee Counties, where local District Attorney policies and assigned-judge practices vary considerably. The defense strategy that works in one county does not always work in another.

Past results do not guarantee or predict outcomes in any other case. Every case is fact-specific.

Frequently Asked Questions About a Failed Probation Drug Test in Texas

Will I go to jail for my 1st failed drug test on probation in Texas?

Not automatically. A first positive drug test in Texas typically triggers a probation officer’s report rather than immediate jail. The officer may recommend a sanction — increased testing, treatment, community service, or a brief jail term as a “trip” — short of a full motion to revoke or motion to adjudicate. Whether the case goes to a revocation hearing depends on the probation officer’s recommendation, the prosecuting agency’s policy, and the original judge’s track record. In Travis County, drug-treatment alternatives are available — including the SMART program (Supervision & Monitoring of Alcohol-Related Treatment) operated through Travis County Community Justices Services — depending on the violation and the supervising officer’s recommendation.

What is the difference between a motion to revoke and a motion to adjudicate in Texas?

A motion to revoke applies when the defendant is on straight probation — they were convicted and given a probated sentence. If revoked, the original sentence is imposed but cannot exceed what the original judge set. A motion to adjudicate applies when the defendant is on deferred adjudication — there was no conviction, just deferred entry of judgment. If adjudicated, the court enters a final conviction and may impose any sentence within the full statutory range for the offense, often higher than the deferred terms. This distinction is governed by Texas Code of Criminal Procedure Article 42A.108.

What is the State’s burden of proof at a Texas probation revocation hearing?

The State must prove the violation by a preponderance of the evidence — not beyond a reasonable doubt. This is a much lower standard than at trial, which is one reason probation revocation outcomes can feel harsh. The State must produce admissible evidence of the failed drug test, typically through the testimony of a lab analyst, the probation officer, or both. Chain-of-custody challenges, lab certification problems, and Confrontation Clause issues can defeat the State’s case even at this lower standard.

Can a Texas probation officer recommend revocation without a hearing?

A probation officer can recommend revocation, but only a judge can revoke. The officer files a violation report with the court, which decides whether to issue a capias (warrant) and set a revocation hearing. The defendant has the right to counsel at the hearing, to confront witnesses, and to present mitigating evidence — including proof of treatment enrollment, employment, family responsibilities, and other steps taken since the positive test.

Can a failed drug test be challenged in Texas court?

Yes. Common challenges include chain-of-custody defects (the sample’s handling between collection and lab), lab accreditation issues, false positives from prescribed medications or over-the-counter substances, dilution-not-failure interpretation disputes, and constitutional challenges to the testing procedure. In some cases, the test result is suppressed and the State’s case collapses. A motion for an independent re-test, where the original sample is preserved, is another avenue.

What can a Texas probation defense attorney do after a 1st failed drug test?

A defense attorney can negotiate a modification of conditions under Texas Code of Criminal Procedure Article 42A.755 — adjusting conditions of probation rather than revoking it. They can prepare mitigation packages (treatment enrollment, employment letters, character references) to present at hearings. They can challenge the test itself. Where the motion is based on new charges in another county, they can investigate those underlying charges — sometimes producing evidence that defeats the motion entirely. The earlier defense counsel is engaged, the more options remain on the table.

Failed a Drug Test on Texas Probation? Your Next Move Matters.

Failing a drug test on Texas probation is serious — but it is not automatic revocation or adjudication. The State has to follow procedure, meet its burden of proof, and prove the violation under Article 42A.108. Officers have discretion. Courts have discretion. Defense counsel changes what those discretions land on.

Travis County, 403rd District Court — Motion to Adjudicate Guilt filed January 30, 2024 on a deferred adjudication state jail felony. The client had been arrested in Galveston County on misdemeanor DWI and felony forgery charges, and Travis County moved to adjudicate. Both the prosecutor and the court were prepared to adjudicate to at least 6 months in state jail. The firm investigated the underlying Galveston forgery case — even though local counsel was handling the new charges directly — and developed proof that the forgery allegation was unwarranted; the client had been scapegoated by another person’s conduct. After the firm presented that evidence to the prosecutor and the adjudication was set for a contested hearing, the State dismissed its motion. The client continued on deferred adjudication and ultimately discharged successfully under Texas Code of Criminal Procedure Article 42A.111 — case dismissed, no conviction entered, eligible for an order of non-disclosure.

Past results do not guarantee or predict outcomes in any other case. Every case is fact-specific.

David White has handled probation violations and motions to adjudicate in Travis, Williamson, and Hays County courts since 2004. The firm has obtained modifications, withdrawn motions, and continued probation outcomes for clients facing first-time and repeat drug-test violations.

Call us before your next probation appointment. Counsel at the officer-recommendation stage is significantly cheaper, faster, and more effective than counsel after a capias issues.

(512) 549-6689 — We answer 24 hours a day.

Kenneth Hines and Taylor Kacir handle after-hours intake. You will reach a person.

Free consultation. Flat-rate fees. Criminal defense only.

Law Office of David D. White, PLLC
608 W 12th St, Suite B | Austin, TX 78701
(512) 549-6689 | wm-attorneys.com