Lake Annella is a privately owned fish and wildlife pond located in Conejos, Colorado, near the city of Capulin. The dam holding the lake is of earth construction, with a height of 17 feet and a hydraulic height of 77 feet. The reservoir has a maximum storage capacity of 50 acre-feet, with a normal storage level of 25 acre-feet, covering a surface area of 10 acres.

Despite its low hazard potential, Lake Annella is categorized as having a high risk due to its condition not being rated and lack of recent assessments. The last inspection conducted on the dam was in September 1989, highlighting the need for updated evaluations to ensure the safety and integrity of the structure. The reservoir is not associated with any federal agency and is primarily used for fish and wildlife purposes, showcasing the importance of private owners in stewarding water resources for environmental conservation. Climate and water enthusiasts may find interest in monitoring this site for potential impacts of climate change on water resources in the region.