Prescott National Forest
Mingus Lake and Granite Basin Lake Fish Die-Off And Swimming/Wading Advisory
Warning for Granite Basin Lake and Horsethief Basin Lake located on the Bradshaw Ranger District and Mingus Lake located on the Verde Ranger District: An increase in vegetation growth has occurred on Granite Basin Lake this summer. As the vegetation dies and decomposes there is greater biochemical oxygen demand (BOD). The consequence of high BOD causes