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 – 30-year fixed rate drops to record 3.75 percent – By Marcy Gordon – WASHINGTON – Average U.S. rates on 30-year and 15-year fixed mortgages dropped to record lows again this week, with the 15-year loan dipping below 3 percent for the first time ever….