BERKELEY COUNTY, S.C. (WCBD) – Santee Cooper is expected to test its flood plain sirens on Wednesday. The utility provider will conduct a test of 15 warning sirens for the Santee Dam floodplain in Berkeley, Clarendon, and Williamsburg Counties at 10 a.m. During the test, Santee Cooper will set off each siren in test mode, [...] ...read more read less