Amy Downing, 51, Decorah, was charged with manufacturing methamphetamine, a Class C felony, after the Decorah Police Department and Winneshiek County Sheriff's Department conducted a search warrant at her 2474 Dogwood Road residence.

Evidence of a meth lab operation was found in the residence. Downing also was charged with possession of a drug precursor - pseudoephedrine and possession of a drug precursor - lithium, a Class D felony.

The Decorah Police Department and the Winneshiek County Sheriff's Department were assisted by the Winneshiek County Attorney's Office, the Allamakee County Sheriff's Department, Iowa State Patrol, the Decorah Fire Department and the Winneshiek Medical Center Emergency Services.

Downing also was charged Thursday, Dec. 12, after Decorah Police and the Winneshiek County Sheriff's Department executed a search warrant that day at her residence and found evidence of a previous meth lab. At that time, Downing was charged with conspiracy to manufacture methamphetamine, possession of a drug precursor (pseudoephedrine) and possession of a drug precursor (lithium).