According to online court records, Taria King has also been charged with reckless endangerment and neglect.
The drowning happened last March in a home on East Ridge Drive near Municipal Stadium.
Police say King was giving the 7-month old boy a bath. She left the room for a moment, and when she came back, he was unconscious.
Police say she immediately called 9-1-1, but doctors were not able to revive him..
King's next court appearance is scheduled for December 4th.