Glacier Lake, located in Boulder, Colorado, is a privately owned earth dam with a primary purpose of irrigation. Completed in 1905, this dam stands at a height of 25 feet and has a storage capacity of 329 acre-feet. The lake covers a surface area of 20 acres and is situated along the Pennsylvania Gulch river stream.

Despite its fair condition assessment and high hazard potential, Glacier Lake is subject to regular state inspection, enforcement, and permitting to ensure its safety and functionality. The dam features an uncontrolled spillway with a width of 18 feet and a maximum discharge capacity of 353 cubic feet per second. With a moderate risk assessment rating of 3, Glacier Lake serves as both an irrigation resource and a recreational spot for enthusiasts interested in water resource management and climate-related activities.

Overall, Glacier Lake presents an intriguing case study for water resource and climate enthusiasts, showcasing the blend of historical infrastructure with modern regulatory practices. Its location in the picturesque Boulder County, along with its dual purpose of irrigation and recreation, makes it a compelling site for those interested in the intersection of human development and natural resource management. With ongoing inspections and state oversight, Glacier Lake remains a vital component of the local water management efforts in Colorado.