WEST CHESTER —  The Chester County Department of Emergency Services (CCDES) announced Monday the upgrade of its mass emergency notification system. The upgrade includes a new identification, ReadyChesCo, which replaces the existing ReadyNotify brand. ReadyChesCo incorporates greater technological capabilities and flexibility. All Chester County residents, businesses and organizations are encouraged to register immediately at www.readychesco.org … Continue reading County unveils new ReadyChesco emergency notification system