What Is a DWI in Texas?

What intoxicated means in Texas

Texas law defines intoxication two ways, and the state only has to prove one of them:

• Loss of faculties. Not having the normal use of mental or physical faculties due to alcohol, a drug, a controlled substance, or a combination.
• Per se limit. Having a BAC of 0.08 or higher, regardless of how you were driving.

This is why you can be charged with a DWI even with a BAC under 0.08, and even on prescription or legal drugs.

What the state must prove

To convict you of a DWI, prosecutors must prove each of these beyond a reasonable doubt:

• You were operating a vehicle.
• It was a motor vehicle.
• You were in a public place.
• You were intoxicated at the time.

Each element is a place a strong defense can attack. If the state cannot prove even one, the case fails. See the DWI defense framework.

What counts as operating and a public place

Texas courts read these broadly. Operating can include more than driving, and a vehicle does not have to be moving. Public place includes streets, highways, and parking lots open to the public, so a DWI does not require being on a public road.

Do you have to be driving?

Not always. Texas law never actually spells out what operating a vehicle means, so judges look at the whole situation. People have been charged while parked, and even while asleep in the driver’s seat with the engine running, if the facts suggested they were in control of the car. The flip side helps you: the state still has to prove you were operating the vehicle, and when it cannot, that piece of the case falls apart.

One timing detail that matters

The state also has to prove you were intoxicated while you were actually driving, not just later at the police station. Alcohol keeps soaking into your blood for a while after your last drink, so a test taken an hour or two after the stop can read higher than your real level behind the wheel. That gap is something a lawyer can use. See the legal BAC limit.

How serious is a DWI in Texas?

A first DWI is usually a Class B misdemeanor, but the charge climbs quickly with a high BAC, a child passenger, repeat offenses, or an accident. A third DWI, or any DWI involving serious injury or death, is a felony. See DWI penalties by level.

Frequently Asked Questions

Is a DWI the same as a DUI in Texas?

No. DWI applies to any intoxicated driver, while DUI applies only to drivers under 21 with any detectable alcohol. See DWI vs DUI.

Can I get a DWI under 0.08?

Yes, if the state shows you lost the normal use of your faculties.

Is a first DWI a felony?

No, a first DWI is usually a misdemeanor. It becomes a felony in specific situations, such as a third offense or a DWI causing serious injury or death.

Can you get a DWI while parked or asleep in your car?

Sometimes. Texas does not require the car to be moving. If the facts show you were operating it, like sitting in the driver’s seat with the engine running, you can be charged, but the state still has to prove it.

Charged With a DWI in Texas?

Every element of a DWI can be challenged, and a charge is not a conviction. Deandra Grant Law defends DWI cases across Dallas, Fort Worth, North Texas, and Waco. Call (214) 225-7117 for a free, confidential consultation.

Related DWI Topics

• DWI vs DUI in Texas — How the two charges differ and which is more serious.
• What to Do After a DWI Arrest — The first steps that protect your case.
• How to Choose a DWI Lawyer — What to look for and questions to ask.
• The Cost of a DWI — The full price of a DWI, from fines to insurance.