Statutory framework and criminal grading in Washington
Under RCW 46.61.502, operating a motor vehicle with a blood alcohol concentration of 0.08 or higher, or under the intoxicating influence of controlled substances, constitutes an impaired driving offense. Department of Licensing 90-day administrative suspension with interlock driver license.
As a Gross Misdemeanor, a first conviction involves mandatory sentencing guidelines established by state statute. These include minimum statutory fines, community service requirements, court-ordered alcohol screening assessments, and mandatory attendance at state-certified driver safety education seminars.