Hecla is a privately owned dam situated on Big Grizzly Creek-TR in Jackson County, Colorado. Completed in 1951, this earth dam serves primarily for irrigation purposes but also supports recreation and water supply. With a height of 21 feet and a length of 600 feet, Hecla has a storage capacity of 315 acre-feet and a normal storage level of 255 acre-feet. The dam has a low hazard potential and was assessed to be in fair condition as of August 2014.

Despite its relatively low hazard potential, Hecla is classified as having a high risk level (2). The dam lacks a spillway but has a spillway width of 8 feet. Due to its location in a remote area, the dam has a limited drainage area of 0 square miles. While it has not been modified in recent years, Hecla undergoes inspections every 6 years to ensure its structural integrity and safety standards are maintained. The dam is not owned or funded by any federal agencies, and its operations and regulatory oversight are managed by the Colorado Division of Water Resources (DWR).

With its picturesque setting and vital role in supporting irrigation and water supply in the region, Hecla is an important water resource infrastructure in Colorado. Its fair condition and regular inspections provide reassurance to the community, even though it is categorized as having a high risk level. As water resource and climate enthusiasts, understanding the intricacies of dams like Hecla can offer valuable insights into the challenges and opportunities associated with managing water resources in a changing climate.