Elk Lake, also known as Ovo or Willow Creek Reservoir, is a private water resource located in Moffat County, Colorado. This reservoir, completed in 1904, serves multiple purposes including fire protection, stock watering, and as a small fish pond. With a dam height of 30 feet and a storage capacity of 442 acre-feet, Elk Lake is a vital source of water in the region.

Despite its age, Elk Lake is in fair condition with a significant hazard potential. The dam is regulated and inspected by the Colorado Division of Water Resources, ensuring its safety and compliance with state regulations. With a spillway width of 6 feet and a maximum discharge of 89 cubic feet per second, Elk Lake is equipped to handle significant water flow events.

Enthusiasts of water resources and climate in the area should take note of Elk Lake for its historical significance, multiple uses, and importance for local water management. As a well-regulated and maintained reservoir, Elk Lake continues to play a crucial role in providing water for various needs while also serving as a potential area of interest for further research and environmental monitoring.