What is a potential penalty for a first offense of driving under the influence?

Depending on your age, blood alcohol level, and other factors, a first DUI conviction can be punishable by fines of up to $1,000, a jail term up to six months in length, and revocation of your license for up to 45 days. Higher penalties apply to incidents that endanger a child, result in injury, or result in death.
DMV Writen Test