36-year-old, Robyn Reaves, has been charged with counts of operating while intoxicated, vehicular homicide, child endangerment, and reckless driving.
Last summer, Reaves was driving on Baxter Avenue and lost control of her car, which hit a culvert in the ditch.
There were two children in the car at the time. Ace Reaves, 9, died in the crash. Ryker Reaves, 6, was airlifted to the UIHC in Iowa City.
Reaves is being held in the Buchannan County Jail. Her bail is set at $250,000.