Lower Michigan, also known as Bartles Lake, is a private fish and wildlife pond located in Park, Colorado. This Earth dam, standing at 20 feet high and 210 feet long, was completed in 1889 and serves as a recreational spot in the area. With a storage capacity of 80 acre-feet, it primarily caters to fish and wildlife preservation, making it a haven for nature enthusiasts and climate advocates.

Managed by the Colorado Department of Water Resources, Lower Michigan is regulated and inspected regularly to ensure its structural integrity and safety. Despite its low hazard potential, the dam is rated as fair in condition assessment, with a moderate risk level (3) identified. With a controlled spillway and uncontrolled spillway type, the dam has a maximum discharge capacity of 65 cubic feet per second, ensuring the efficient release of excess water during heavy rain or flooding events.

Visitors to Lower Michigan can enjoy its serene surroundings and recreational activities, while also appreciating the efforts put into its maintenance and management. The dam's historical significance, combined with its ecological importance, makes it a valuable asset for water resource and climate enthusiasts in the region.