<P> An operator of a motor vehicle is considered automatically under the influence of alcohol if a chemical screening shows a blood - alcohol content ( BAC ) of 0.08 percent or greater . If under the age of 21 , a driver in Texas is not able to test positive for any blood - alcohol content ( BAC ) under penalty of DUI charges . </P>
<P> An operator of a motor vehicle is considered automatically under the influence of alcohol if a chemical screening shows a blood - alcohol content ( BAC ) of 0.08 percent or greater . If under the age of 21 , a driver in Texas is not able to test positive for any blood - alcohol content ( BAC ) under penalty of DUI charges . </P>
what is legal blood alcohol level in texas
what is legal blood alcohol level in texas
0.08 percent
0.08 percent