No plan yet for former Seneca site Olmsted County plans to seek ideas and gauge interest later this year after former canning facility to cleared Written By: Answer Man | × The former Seneca plant is demolished Monday, Dec. 7, 2020, in Rochester. (Joe Ahlquist / jahlquist@postbulletin.com) What is the plan for the field formerly known as Seneca Foods, where all that remains is the beloved corn cob water tower? -- Stone Cold Steve Indeed I am a man of answers, but that doesn’t mean I have a crystal ball. If I did, I assume it would be filled with fog since there’s been little consensus among Olmsted County commissioners when it comes to the 11-acre site that once housed a canning facility at the intersection of Third Avenue Southeast and 12th Street.