Cedar Creek Holding, also known as Cedar Mesa Reservoir, is a private water resource located in Twin Falls, Idaho. Managed by the USDA NRCS, this reservoir serves primarily for irrigation purposes with a storage capacity of 200 acre-feet and covering an area of 22 acres. Constructed in 1966, Cedar Creek Holding stands at a height of 23.7 feet with a spillway width of 95 feet, ensuring a maximum discharge of 162 cubic feet per second.

This Earth dam, built on rock and soil foundations, plays a crucial role in water management along Cedar Creek and Salmon Falls Creek. With state regulatory oversight by the Idaho Department of Water Resources, Cedar Creek Holding has been deemed to have low hazard potential and fair condition assessment as of its last inspection date in September 2020. Despite its moderate risk assessment level, the reservoir continues to provide essential irrigation water to the surrounding agricultural lands.

As a key player in the water infrastructure of the region, Cedar Creek Holding contributes to the sustainable utilization of water resources in Idaho. With its efficient design and operation, this reservoir exemplifies the importance of private ownership in water management and underscores the significance of state regulation and inspection in ensuring the safety and functionality of such vital structures in the face of changing climate conditions.