Williams is a privately owned dam located in Twin Falls, Idaho, along the North Cottonwood Creek and Cottonwood Creek. Built in 1952 for irrigation purposes, this earth dam stands at a height of 52.5 feet and has a maximum storage capacity of 1025 acre-feet. With a significant hazard potential and fair condition assessment, Williams poses a moderate risk that is being managed through regular inspections and emergency preparedness plans.

The dam features an uncontrolled spillway and slide gates for outlet control, with a drainage area of 3.3 square miles and a maximum discharge capacity of 3400 cubic feet per second. Despite its age, Williams continues to serve its purpose efficiently, storing water for agricultural irrigation in the region. Its inspection frequency of 4 times a year ensures that any maintenance or repairs needed are promptly addressed, maintaining its operational integrity for the benefit of the surrounding community.

With the Sacramento District overseeing its regulation and operation, Williams remains a vital water resource infrastructure in Idaho. Its strategic location and design contribute to the sustainable management of water resources in the area, showcasing the importance of maintaining and monitoring such critical infrastructure for the resilience of water supply systems in the face of changing climate conditions.