A worker at an adolescent behavioral health treatment center accused of perpetrating sexual assaults on girls housed at the San Jacinto facility was charged Monday with lewd acts on a minor and other offenses.

Antoine Christopher Sims, 31, of Winchester was arrested Thursday following a Riverside County Sheriff’s Department investigation that began last year.

Along with the two lewd acts counts, Sims is charged with two counts each of sexual penetration with a foreign object and oral copulation of a minor, as well as one count of statutory rape.

He pleaded not guilty during an arraignment Monday before Superior Court Judge Jay Kiel, who scheduled a felony settlement conference for Oct. 2 at the Banning Justice Center.

The defendant is being held in lieu of $200,000 bail at the Robert P

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