The moment Susanne Fort saw Little Limestone Creek, which makes its way through her property and much of rural Jonesborough, Tennessee, she knew she had found her home. That was in 2010. Now, when she gazes upon the creek’s clear, ever-moving stream, she’s unsure of its future and her own. “It took me seven years of searching to find this house,” Fort said. “We knew it was a fixer-upper. It’s pre-Civil War, so we were expecting that. Then we wal…