* WHAT. Major flooding is occurring and major flooding is forecast. * WHERE. Santee River near Jamestown. * WHEN. Until further notice. * IMPACTS. At 24.0 feet, water will start to enter the lower level of the home at the end of Lawton Farm Lane. * ADDITIONAL DETAILS. - At 1030 AM EDT Saturday, the stage was 23.9 feet. - Forecast. The river is expected to fall to 17.8 feet Thursday morning. - Flood stage is 10.0 feet.