Open by appointment, call 785-336-6366 or 785-336-1313 The Seneca City Council, on April 10, 1895, authorized a city well to be located on the west side of the city. They accepted the $29,200 bid of James T. Broughal, Kansas City, Missouri. Work was to begin by April 25 and completed within four months.The well is 34 feet across and 65 feet deep. The water depth is approximately 25 feet and has remained at that level since at least 1979.