Lazy O Reservoir No 2, also known as Lazy O Ranch Reservoir, is a private water resource located in Snowmass, Colorado. Constructed in 1990 by ALPINE ENGINEERING and SCHMUESER, GORDON, MEYER INC, this Earth type dam stands at 18 feet in height and has a maximum storage capacity of 31 acre-feet. The primary purpose of this reservoir is for fish and wildlife management, as well as water supply.

Situated along the Capital Creek, Lazy O Reservoir No 2 covers a surface area of 3 acres and has a significant hazard potential with a fair condition assessment. The dam has been modified in 2001 and 2009 for hydraulic purposes, with an uncontrolled spillway type and one outlet valve. Inspected biennially, the reservoir has an associated risk assessment rating of moderate (3) and is regulated by the Colorado Department of Water Resources, ensuring its compliance with state standards.

Overall, Lazy O Reservoir No 2 serves as a vital resource for fish and wildlife conservation in the Pitkin County area, while also providing water supply benefits. With its picturesque location and important role in the local ecosystem, this reservoir stands as a testament to responsible water management practices and the preservation of natural habitats in the region.