Island Weir, located in Kings County, California, serves as a critical structure for flood risk reduction and irrigation purposes along the North Fork Kings River. Built in 1926, this buttress dam stands at a height of 13 feet and spans 224 feet in length, with a storage capacity of 230 acre-feet. Despite its age, the dam has been deemed to have a low hazard potential and is in satisfactory condition as of the last assessment in September 2017.

Managed by a public utility in California, Island Weir is regulated, permitted, inspected, and enforced by state agencies to ensure its safety and functionality. With a drainage area of 1,600 square miles, the dam plays a crucial role in managing water flow and protecting the surrounding areas from potential flooding. Its strategic location and design contribute to its effectiveness in mitigating flood risks while supporting agricultural irrigation needs in the region.

For water resource and climate enthusiasts, Island Weir represents a blend of historical significance and modern-day engineering practices in safeguarding water resources. As part of the Sacramento District, the dam stands as a testament to the ongoing efforts to balance water management for both practical and environmental purposes. With a focus on risk reduction and operational efficiency, Island Weir stands as a vital component of the water infrastructure in California's central valley.