The Boise River Diversion, also known as the New York Canal Headgate, is a key water infrastructure located in Boise, Idaho. Completed in 1908, this federal-owned irrigation structure plays a crucial role in diverting water from the Boise River to support agriculture in the region. Managed by the Bureau of Reclamation, the dam stands at a height of 56.9 feet and has a hydraulic height of 46 feet, with a maximum storage capacity of 1000 acre-feet.

With a hazard potential rated as high and a moderate risk assessment, the Boise River Diversion is regularly inspected by the Bureau of Reclamation to ensure its safety and functionality. Controlled by uncontrolled spillways and situated in Ada County, this concrete gravity dam serves the primary purpose of irrigation in the area. The structure's association with the Walla Walla District of the US Army Corps of Engineers highlights its importance in managing water resources and maintaining the ecological balance of the Boise River and Snake River watersheds.

Water resource and climate enthusiasts will be fascinated by the historical significance and engineering marvel of the Boise River Diversion. As a critical component of Idaho's water infrastructure, this dam exemplifies the interplay between human intervention and natural resources in sustaining agricultural activities in the region. With ongoing regulatory oversight and regular inspections, the Boise River Diversion continues to play a vital role in water management and irrigation practices in the Boise area, exemplifying the delicate balance between human needs and environmental stewardship in the face of changing climate patterns.