Bauer Lake #2 - Main Dam, also known as Lower Bauer, is a private dam located in Montezuma County, Colorado, specifically in the city of Mancos. Built in 1905 for irrigation purposes, this earth dam stands at a height of 40 feet and has a length of 1020 feet. The dam holds a maximum storage capacity of 2284 acre-feet, with a normal storage capacity of 1532 acre-feet, and covers a surface area of 67 acres.

The dam is situated on Chicken Creek-TR and is under the regulatory jurisdiction of the Colorado Department of Water Resources. With a High hazard potential and a Satisfactory condition assessment as of the last inspection in October 2020, the dam is equipped with an uncontrolled spillway and outlet gates for water release. Despite being a private structure, it plays a crucial role in irrigation and supports fish and wildlife ponds in the area.

As a vital part of the water resource infrastructure in the region, Bauer Lake #2 - Main Dam not only serves its primary purpose of irrigation but also contributes to the conservation of fish and wildlife habitats. Its historical significance, coupled with its functionality and regulatory compliance, highlights the importance of maintaining and monitoring this dam to ensure the safety of the surrounding community and the sustainability of its water resources amidst changing climate conditions.