Herminio Sandoval, 58, and Rogelio Villasenor, 47, both of Caldwell, were arrested Wednesday on federal drug charges, U.S. Attorney Wendy J. Olson said. The two men were indicted by a federal grand jury in May.

According to the 19-page indictment unsealed Wednesday, the men are both charged with conspiracy to distribute methamphetamine, cocaine and marijuana. Sandoval is also charged with conspiracy to maintain drug-involved premises, maintaining drug-involved premises and conspiracy to launder money.

Arraignment has not been set.

The charge of conspiracy to distribute methamphetamine, cocaine and marijuana carries a mandatory minimum of ten years in prison, a maximum fine of $10 million and at least five years of supervised release. The government is seeking criminal forfeiture of assets derived from the drug trafficking offenses.

The indictment was the result of a joint investigation of the Organized Crime and Drug Enforcement Task Force, a federal multi-agency program that supplies supplemental federal funding to federal and state agencies involved in the identification, investigation and prosecution of major drug trafficking organizations.