How Texas Classifies Drugs by Penalty Group

A Beginner’s Guide to Penalty Groups 1–4 and Related Charges

If you or someone you love is facing a drug charge in Texas, one of the first things the court will look at is which Penalty Group the substance falls under. These penalty groups are the foundation of Texas drug law—they determine whether a charge is a misdemeanor or felony, how serious the punishment will be, and what kind of defense strategy might apply.

In this guide, you’ll learn how Texas classifies controlled substances into Penalty Groups 1 through 4, what types of drugs fall into each, and why understanding these classifications is critical when you’re building a defense.

Whether you’ve been charged with possession, manufacturing, or trafficking, this is your plain-English guide to how the state evaluates drug offenses.

? For every post in this series, scroll down to “Related Posts.”

What Are Penalty Groups in Texas?

The Texas Controlled Substances Act, found in Chapter 481 of the Health and Safety Code, classifies controlled substances into four main Penalty Groups (plus marijuana, which is treated separately). Each group is based on:

  • The drug’s potential for abuse
  • Whether the drug has a recognized medical use
  • How dangerous the drug is considered to be

The lower the number (Group 1), the more dangerous and addictive the substance is considered—and the harsher the potential penalties.

Beginner’s Guide to Texas Drug Penalty Groups 1–4Penalty Group 1

Includes:

  • Cocaine
  • Methamphetamine
  • Heroin
  • Oxycodone (without a valid prescription)
  • Hydrocodone (high doses)
  • Fentanyl (some forms now under Group 1-B)

Why It Matters:

Group 1 drugs are seen as having no safe medical use without a prescription and a very high risk of abuse. Offenses involving these drugs are felony-level charges, even in small amounts.

Common Charges:

  • Possession
  • Possession with intent to distribute
  • Manufacturing or trafficking

Penalties for Possession:

  • <1 gram: State jail felony (180 days to 2 years in jail)
  • 1–4 grams: Third-degree felony (2–10 years)
  • 4–200 grams: Second-degree felony (2–20 years)
  • 200–400 grams: First-degree felony (5–99 years)
  • Over 400 grams: Enhanced felony (10–99 years and up to $100,000 fine)

If you were stopped with one of these substances in your car, see Driving with Drugs in Your Car: What You Need to Know to learn how police use these classifications to escalate charges.

Penalty Group 1-B

Includes:

  • Fentanyl and its analogs

Why It Matters:

Due to the rise in overdose deaths and public safety concerns, Texas carved out Group 1-B specifically for fentanyl to increase penalties for even trace amounts.

Penalties:

  • As low as less than 1 gram can lead to third-degree felony charges
  • Higher weights escalate to first-degree or enhanced first-degree felonies

For more on how small amounts can trigger major charges, see Possession with Intent to Distribute in Texas and Conspiracy Charges in Drug Crime Cases.

Penalty Group 1-A

Includes:

  • LSD (acid) and similar hallucinogens
  • Measured in units or doses, not weight

Penalties:

  • <20 units: State jail felony
  • 20–80 units: Third-degree felony
  • 80–4,000 units: Second-degree felony
  • 4,000+ units: First-degree felony
  • 8,000+ units: Enhanced felony (15–99 years, up to $250,000 fine)

This group is unique due to how it’s measured and often surfaces in youth-related offenses. See Juvenile Drug Charges in Texas for how these are handled differently in court.

Penalty Group 2

Includes:

  • MDMA (Ecstasy)
  • PCP
  • Psilocybin (mushrooms)
  • Mescaline
  • THC concentrates (vapes, wax, shatter)

Why It Matters:

Even though many of these are seen as “party drugs” or “natural psychedelics,” Texas law still classifies them as dangerous—especially if they’re concentrated or synthetic.

Penalties for Possession:

  • <1 gram: State jail felony
  • 1–4 grams: Third-degree felony
  • 4–400 grams: Second-degree felony
  • 400+ grams: First-degree felony (5–99 years, up to $50,000 fine)

Be careful—THC oils and concentrates are NOT treated like marijuana. Even a vape cartridge can land you with a felony.

Penalty Group 2-A

Includes:

  • Synthetic cannabinoids (e.g., K2, Spice)
  • Often found in gas stations or online

Penalties for Possession:

  • <2 oz: Class B misdemeanor
  • 2–4 oz: Class A misdemeanor
  • 4 oz–5 lbs: State jail felony
  • 5–50 lbs: Third-degree felony
  • 50–2,000 lbs: Second-degree felony
  • 2,000+ lbs: First-degree felony

Penalty Group 3

Includes:

  • Xanax (Alprazolam)
  • Valium (Diazepam)
  • Ativan (Lorazepam)
  • Ritalin (Methylphenidate)
  • Anabolic steroids

Why It Matters:

These drugs are legal with a prescription, but illegal to possess, sell, or share without one. Misuse is very common among teens and college students.

Penalties for Possession:

  • <28 grams: Class A misdemeanor
  • 28–200 grams: Third-degree felony
  • 200–400 grams: Second-degree felony
  • 400+ grams: First-degree felony

These are the kinds of charges often involved in Prescription Drug Fraud in Texas or Juvenile Drug Charges in Texas.

Penalty Group 4

Includes:

  • Compounds with limited amounts of narcotics and additional medicinal ingredients (often cough syrups with codeine)

Penalties for Possession:

  • Same as Group 3

This group gets less attention but can still result in felony charges, especially when large amounts are found in a vehicle or during a traffic stop. Learn how this plays out in Driving with Drugs in Your Car: What You Need to Know.

Marijuana: Treated Separately

Although it’s still illegal for recreational use in Texas, marijuana is not placed in a Penalty Group and has its own set of laws.

Penalties:

  • <2 oz: Class B misdemeanor
  • 2–4 oz: Class A misdemeanor
  • 4 oz–5 lbs: State jail felony
  • 5–50 lbs: Third-degree felony
  • 50–2,000 lbs: Second-degree felony
  • 2,000+ lbs: First-degree felony

Possession or distribution of marijuana near a school, park, or daycare can also trigger Drug-Free Zone Enhancements in Texas, adding mandatory minimums.

Why the Penalty Group Matters

The Penalty Group affects:

  • Whether your charge is a misdemeanor or felony
  • Your eligibility for probation or drug court
  • Whether you face state jail, prison, or diversion programs
  • Whether prosecutors offer you a deal—or seek max punishment

When multiple drugs are involved, the harshest classification drives the case.

Call to Action

If you’re facing drug charges in Texas, knowing the penalty group of the substance involved is the first step in building your defense. It determines everything—from the charges filed to the potential sentence.

Discover more from David Smith Law Firm, PLLC

Subscribe to get the latest posts sent to your email.