Avondale Lake, located in Hayden Lake, Idaho, is a privately owned water resource that plays a crucial role in the region's water management. The dam, primarily constructed for purposes other than flood control, stands at a height of 8.58 feet and has a hydraulic height of 5.06 feet. With a storage capacity of 139 acre-feet and a surface area of 68.7 acres, the lake serves as a vital water source for the surrounding area.

Despite its significance, Avondale Lake poses a significant hazard potential, with a fair condition assessment as of May 2018. The dam's spillway type is uncontrolled, with a width of 16 feet, adding to the complexities of its operations and maintenance. The risk assessment for the lake is considered moderate, highlighting the need for ongoing monitoring and management measures to ensure the safety and longevity of this important water resource.

With its unique earth and stone dam construction, Avondale Lake stands as a testament to human ingenuity in harnessing water resources for various purposes. As water resource and climate enthusiasts, understanding the intricacies of such structures is crucial for effective water management and conservation efforts in the face of changing environmental conditions.