Gold Lake #1 in Boulder, Colorado, is a privately owned Earth dam constructed in 1879 for the primary purpose of serving as a Fish and Wildlife Pond. With a dam height of 24 feet and a storage capacity of 587 acre-feet, this reservoir covers a surface area of 34 acres and is fed by the Bell Gulch stream. The dam has a significant hazard potential and is inspected every two years, with the last assessment conducted in October 2017, yielding a satisfactory condition rating.

Managed by the Colorado Department of Water Resources, Gold Lake #1 offers recreational opportunities in addition to its irrigation and wildlife preservation functions. Located in Longmont, the reservoir supports a diverse ecosystem and plays a vital role in the local water supply. The spillway is uncontrolled, with a width of 16 feet to manage a maximum discharge of 430 cubic feet per second. The risk assessment for the dam is moderate, emphasizing the need for ongoing monitoring and maintenance to ensure its continued safety and functionality.

Gold Lake #1 stands as a historic water resource in the region, contributing to the conservation efforts and recreational enjoyment of the surrounding area. With its rich heritage dating back over a century, this reservoir serves as a valuable asset for both wildlife and the community. As climate change impacts water resources worldwide, the proper management and upkeep of structures like Gold Lake #1 become increasingly crucial to ensure the resilience and sustainability of our water systems in the face of evolving environmental challenges.