The El Dorado County Sheriff's Office- Office of Emergency Services Alert Notification System provides a number of ways in which the county may contact the community in the event of an emergency such as: evacuations due to wildfires or hazardous material spills, or urgent law enforcement operations. The El Dorado County Office of Emergency Services partnered with RAVE emergency notification service to alert residents and businesses by telephone, cell phone, text message, email and social media when there is a threat to the health or safety of residents.