Detectives say they received a tip from the National Center for Missing & Exploited Children about child pornography activity in the county.
The detectives and the Central California Internet Crimes Against Children Task Force were able to obtain a search warrant for a house on Blue Oak Lane.
After looking through her electronic devices, authorities arrested 45-year-old Kristine Mettler on April 16.
Mettler's is now out of jail after posting her $25,000 bail.
If you have any information regarding this case or other victims, you are asked to call the Madera County Sheriff's Office at 559-675-7770.