Fossil Creek, located in Larimer County, Colorado, is a privately owned irrigation dam completed in 1903 with a primary purpose of providing water for agricultural needs. This Earth-type dam stands at a height of 42 feet and has a hydraulic height of 45 feet, contributing to a storage capacity of 16,000 acre-feet. The dam, situated on the Fossil Creek river, serves as a vital water resource for the surrounding area, with a normal storage capacity of 11,100 acre-feet and a maximum discharge capability of 88,100 cubic feet per second.

Despite its satisfactory condition assessment as of September 2020, Fossil Creek Dam is classified as having a high hazard potential, emphasizing the importance of regular inspections and maintenance. The dam's spillway, of uncontrolled type, boasts a width of 1400 feet to manage excess flow during times of high water levels. The risk assessment for Fossil Creek Dam is moderate, highlighting the need for ongoing risk management measures to ensure the safety and reliability of this crucial water infrastructure.

In the midst of climate change and increasing strain on water resources, Fossil Creek Dam stands as a historic landmark that continues to play a pivotal role in supporting agricultural activities in the region. As water resource and climate enthusiasts, understanding the significance of structures like Fossil Creek Dam underscores the importance of sustainable water management practices to ensure the resilience and longevity of our water infrastructure in the face of evolving environmental challenges.