| | Family Health | Teen Substance Abuse What is the blood alcohol level in WA? In Western Australia (WA), the legal blood alcohol limit (BAC) for driving is 0.05 grams of alcohol per 100 millilitres of blood, or 0.05%. Teen Substance Abuse - Related Articles Health Hazards of Teen Smoking Reasons for Teenage Binge Drinking Side Effects of Drinking Under Age 21 Why should teenagers say no to alcohol? What do teenagers use rubbing alcohol for? What can be done to prevent young people drinking alcohol? The Dangers of Teen Alcohol Consumption
