Sixmile Creek (South Dakota)

Sixmile Creek is a stream located in Turner County, South Dakota, United States. It is a tributary of the Vermillion River. The creek's name is derived from its approximate length of six miles. The creek flows generally eastward. It is primarily an agricultural watershed, draining cultivated fields and pastureland. As such, its water quality is often impacted by agricultural runoff, including fertilizers and sediment. The surrounding area is characterized by rolling plains and a temperate continental climate.