On 10/15/2018 at approximately 6:37 p.m. the Plymouth County Sheriff's Office performed a traffic stop on a vehicle in Merrill, Iowa.  As a result, the driver, Paola Aguinaga, age 26, of South Sioux City, NE, was placed under arrest for operating while intoxicated.  Aguinaga was booked into the Plymouth County Jail and charged with operating while intoxicated, second offense.  Aguinaga was held on bail.