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 – Lake Keowee – Mortgage buyer Freddie Mac said Thursday that the average rate on the 30-year fixed mortgage declined to 3.51 percent from 3.56 percent last week. Thats near the 3.31 percent rate reached in November, the lowest on records dating to 1971….