The Monaca borough police chief is stepping down to take a position with the Beaver County 9-1-1 Center. Chief Bill Petures has announced he is retiring after spending nearly four decades in the Monaca police department. In two weeks, Petures will leave the department and will serve as Deputy Coordinator of Emergency Management at the 9-1-1 center. Sergeant David Piuri will lead the department until a new chief is named.