You are DUI in Delaware if your blood alcohol content (BAC) is .10% or greater.
Jail
Up to 6 months in jail.
Fines
$230 to $1150 in fines.

Other Fines/ Fees/ Expenses
The State estimates that the real costs to you of a first offense dui charge are as much as $2,400. This does not include lawyer's fees, the increase in your insurance rates, time and money lost from work, finding alternative transportation, or any potential medical bills resulting from a DUI crash. In addition to the above penalties and costs, DUIs costs you $143.75 to get your license back and $490.00 to take an alcohol program.

License Revocation
1st offense -license revoked up to 12 months.

Conditional Licensing
Available on a 1st offense after 90 day minimum suspension period. Alcohol interlock may be also be required for conditional licensing.

Ignition Interlock
May be required for conditional licensing. Alcohol Ignition Interlock (installed and used at your own expense) is a device that prevents you from operating your car if you have any alcohol in your system.

Under 21
If you drive with a blood alcohol level of .02% or more, you could face up to 1 year in prison and a fine of $230 for the first offense. At the least, you will lose your license automatically for 2 months on a first offense.
Dui 11