Lake Keowee Real Estate News – Lake Keowee homes for sale – Lake Keowee News – Lake Keowee Waterfront property for sale – Lake Keowee Waterfront Real Estate for Rent – Sirens around Oconee Nuclear Station will be tested January 11 at approximately 11:50 a.m. No public action is required during the three-minute test. A full-cycle siren test is preformed each quarter, with Oconee County emergency officials being responsible for the sounding. The siren sound normally is a signal for residents to tune to a radio or TV station that would carry an emergency message.