A Schuylkill County man has been jailed on sexual assault charges.

State police at Frackville said Andrew Zachary Arndt, 27, of Schuylkill Haven, was arrested on Wednesday on a charge of statutory sexual assault and related counts.He was arraigned before District Judge James Ferrier of Orwigsburg and committed to the county prison in Pottsville after failing to post $50,000 straight cash bail.According to troopers on Aug. 9 they were conducting a follow-up investigation on a child abuse allegation forwarded to them through the office of the Schuylkill County Children and Youth and the district attorney's office.While conducting an interview with Arndt on Aug. 9 he admitted to having a sexual relationship with a juvenile victim from New Ringgold.The incidents occurred during the time frame of Jan. 1 and May 31.In an interview with the victim, she confirmed she had been assaulted by Arndt, troopers said.