Hiwan #6 is a privately owned earth dam located in Evergreen, Colorado, along Troublesome Creek. Built in 1963 for irrigation purposes, this dam stands at a height of 46 feet and has a storage capacity of 47 acre-feet. Despite its low hazard potential and satisfactory condition assessment, it is regulated by the Colorado Department of Water Resources and undergoes regular inspections and enforcement to ensure its safety and compliance with state regulations.

With a spillway width of 24 feet and a maximum discharge of 593 cubic feet per second, Hiwan #6 plays a crucial role in managing water resources in the region. The dam also serves recreational purposes, offering a surface area of 3 acres for outdoor activities. Even though it has not been modified in recent years and has a moderate risk assessment rating, the dam continues to be a key infrastructure for water management in the area, providing essential irrigation and recreational opportunities for the community.

Owned by a private entity, Hiwan #6 is a vital component of the water infrastructure in Jefferson County, Colorado. With its location along Troublesome Creek and its ability to store and release water efficiently, this dam contributes to water supply reliability and supports recreational activities in the region. Although it has a low hazard potential and a satisfactory condition, ongoing monitoring and maintenance are essential to ensure its continued safe operation and compliance with state regulations.