The North Fork Double Mountain Fork Watershed (HUC 12050003) covers an area of approximately 1,163 square miles in the Texas Panhandle. The hydrology of the watershed is dominated by the North Fork Double Mountain Fork of the Brazos River, which runs through the eastern portion of the watershed. The region experiences hot summers and cold winters, with an average annual precipitation of around 20 inches. The watershed is an important source of surface water for the region, including Lake Mackenzie, which is used for municipal water supply and recreation. The reservoir is known for its clear water and abundant fish populations. Snowpack is minimal in this region, with most precipitation falling as rain. The area is prone to drought, and water management strategies are critical in ensuring sustainable use of this important resource.