Cottonwood County is pleased to introduce- Dylan Oeltjenbruns as Drainage Inspector As the Drainage Inspector, Dylan is responsible for the coordination of the inspection and maintenance of the county drainage systems. You can contact him by calling: Direct: 507.832.8842 Cell: 507.221.2009 Or by calling the Auditor Treasurer's office at: 507.831.1905 MN A Cottonwood County is pleased to introduce Dylan Oeltjenbruns as Drainage Inspector As the Drainage Inspector , Dylan is responsible for the coordination of the inspection and maintenance of the county drainage systems . You can contact him by calling : Direct : 507.832.8842 Cell : 507.221.2009 Or by calling the Auditor Treasurer's office at : 507.831.1905 MN A