Lakes in Seneca County, Ohio      Attica Upground Reservoir Beaver Creek Upground Reservoir Beeghley Lake Decker Pond Goose Pond Grassy Pond Groves Lake Mohawk Lake Morrison Lake Tiffin Low Head Reservoir 1031-007 Tiffin Low Head Reservoir 1031-008 OTHER COUNTIES NEARBY Lenawee County Monroe County Ashland County Auglaize County Crawford County Delaware County Erie County Fulton County Hancock County Hardin County Huron County Knox County Logan County Lorain County Lucas County Marion County Morrow County Ottawa County Putnam County Richland County Sandusky County Union County Wood County Wyandot County Ohio Lakes