Upper Pit

Watershed Hydrology

The Upper Pit Watershed (HUC 18020002) is located in northeastern California and covers approximately 5,765 square miles. The watershed is characterized by a semi-arid climate with hot summers and cold winters. Precipitation is primarily received in the form of snow during the winter months, which contributes to the snowpack that feeds the many streams and rivers that flow through the watershed. These streams and rivers provide important surface water resources for the region, including the Shasta and Keswick reservoirs. The watershed is also home to a variety of flora and fauna, including several endangered and threatened species. In recent years, the region has experienced drought conditions and increasing temperatures due to climate change. These factors have led to decreased snowpack and lower stream flows, which have significant implications for water availability and ecosystem health in the region.


Surface Flows

Upper Pit Watershed

Snowpack Depths

Upper Pit Watershed

Dams & Reservoirs

Upper Pit Watershed

Groundwater Levels

Upper Pit Watershed

Upper Pit Rivers

Rivers of the Watershed