A Mahoning Township woman has been charged with two counts of DUI following a traffic stop.

Sierra Serfass, 19, was stopped at 3:37 a.m. Feb. 28 by Mahoning Township Police on Hemlock Drive for swerving and failing to maintain her lane of travel.A blood test showed a BAC of 0.13.Serfass has been charged with two counts of DUI, a misdemeanor, and careless driving and other summary offenses.A preliminary hearing has been scheduled for July 29.