Utah State University Extension
The Upper Sevier River watershed is located in south central Utah, within the borders of Garfield, Kane, Piute, and Iron counties. This watershed encompasses the headwaters of the Sevier River which are straddled by the mountains of the Markagunt Plateau to the west and the Paunsaugunt Plateau to the east.
Extension, USU, "Watershed Fact Sheet: Improving Utah's Water Quality, Upper Sevier River Watershed" (2012). All Current Publications. Paper 1278.