Chicago Park Forebay, located in Nevada County, California, is a vital water resource infrastructure managed by a public utility. Constructed in 1966 by Ebasco Services, Inc., this earth dam serves multiple purposes including irrigation, hydroelectric power generation, and water supply. With a dam height of 60 feet and a maximum storage capacity of 103 acre-feet, the forebay plays a crucial role in water management in the region.

The dam's spillway, with a width of 427 feet, is designed as uncontrolled, and the hazard potential is classified as low. Despite its age, the structure has a moderate risk assessment rating and is under the regulatory oversight of the Federal Energy Regulatory Commission. The forebay's primary function of irrigation highlights its importance in supporting agricultural activities in the area. With regular inspections and emergency preparedness measures in place, Chicago Park Forebay stands as a key component of the regional water infrastructure.

Overall, Chicago Park Forebay is a significant water management facility that contributes to the sustainable use of water resources in California. As a multipurpose structure with a history of reliable operation, it serves as a critical asset for irrigation, hydroelectric power generation, and water supply. The low hazard potential and moderate risk assessment underscore the importance of ongoing maintenance and regulatory oversight to ensure the continued functionality and safety of this essential infrastructure.