North Fork Diversion, located in Dorrington, California, is a public utility structure managed by the Federal Energy Regulatory Commission. Constructed in 1989 by Sierra Constructors, this hydroelectric dam on the North Fork Stanislaus River serves as a vital resource for the region. With a dam height of 53 feet and a storage capacity of 340 acre-feet, it plays a crucial role in maintaining water supply and generating hydroelectric power.

Regulated by the California Department of Water Resources and the Safety of Dams, North Fork Diversion boasts a low hazard potential and a moderate risk assessment rating. Despite its age, the dam remains in good condition with regular inspections and safety measures in place. Its uncontrolled spillway, with a width of 120 feet, can handle a maximum discharge of 16,300 cubic feet per second, ensuring effective flood control and water management for the surrounding area.

With its gravity design and rock foundation, North Fork Diversion stands as a testament to sustainable water resource management in Alpine County. As climate change continues to impact water availability and quality, structures like this play a crucial role in ensuring a reliable and resilient water supply for both human consumption and ecological needs. Its history, design, and operational efficiency make it a fascinating subject for water resource and climate enthusiasts alike.