Marston Lake - West Dike is a vital water resource structure owned by a public utility in Jefferson County, Colorado. Completed in 1899, this earth dam stands at a height of 11 feet and serves the primary purpose of water supply. With a storage capacity of 21,100 acre-feet and a surface area of 652 acres, Marston Lake plays a crucial role in water management for the surrounding area.

Situated along the South Platte River, Marston Lake - West Dike has a low hazard potential and is not currently rated for its condition. Despite being inspected in 1996, the dam is still in operation and meets regulatory requirements for state permitting, inspection, and enforcement. The spillway, with a width of 20 feet, is uncontrolled, and the dam has a maximum discharge capacity of 220 cubic feet per second. Overall, Marston Lake - West Dike presents a moderate risk level (3) and is an essential component of the region's water infrastructure.

As a key element in the water supply system for Denver, Marston Lake - West Dike plays a critical role in storing and managing water resources for the area. With its historical significance dating back over a century, this earth dam continues to provide essential services while meeting state regulations and safety standards. Climate and water resource enthusiasts can appreciate the engineering and environmental considerations that go into maintaining structures like Marston Lake - West Dike for the benefit of the community and the ecosystem.