DAKOTA CITY — A man has been arrested and charged with sexually assaulting a child last year, according to the Humboldt County Sheriff’s Department.

Garrett Oberhelman, 36, of Dakota City, was charged with second degree sexual assault, the department reported.

He turned himself in Wednesday at the Humboldt County Jail. He was released after posting a $25,000 cash bond.

The Sheriff’s Department reported that it received a complaint on Dec. 18, 2023, stating that a child under the age of 12 had been sexually assaulted at a residence in Dakota City.

The Allen Child Protection Center in Waterloo, the Humboldt County Attorney’s Office and the Iowa Department of Health and Human Services assisted in the investigation.