The Upper Deer Upper White Watershed (HUC 18030005) is located in southwest Missouri and covers an area of approximately 1,235 square miles. This watershed is characterized by a humid subtropical climate with hot summers and mild winters. The hydrology of this watershed is dominated by the White River and its tributaries, including the Upper Deer Creek. The area receives an average of 45 inches of precipitation annually, with winter snowpack contributing to spring runoff. Surface water quality is generally good, with some impairment due to agricultural and urban runoff. The region is home to numerous reservoirs, including the Table Rock Lake and Beaver Lake. Interesting climatic trends include increasing temperatures and more frequent extreme precipitation events. The region is also prone to flash flooding and severe storms, which can impact both surface water quality and quantity.