Ott Reservoir, also known as Hovey Reservoir, is a historical earth dam located in Fremont County, Colorado, primarily used for irrigation purposes. Completed in 1895, this reservoir stands at a height of 31 feet and has a storage capacity of 40 acre-feet. Situated along the Fourmile Creek, Ott Reservoir plays a crucial role in providing water for agricultural needs in the region.

Despite its low hazard potential and satisfactory condition assessment, Ott Reservoir is equipped with an uncontrolled spillway, ensuring the safe discharge of excess water during periods of heavy rainfall. The reservoir covers a surface area of 4 acres and has a maximum discharge capacity of 278 cubic feet per second. With its strategic location in Florence and proximity to various recreational areas, Ott Reservoir serves as a vital water resource for both irrigation and fire protection purposes in the surrounding community.

Managed by the Colorado Department of Water Resources (DWR), Ott Reservoir undergoes regular inspections and enforcement measures to maintain its structural integrity and operational efficiency. With its moderate risk assessment and established risk management measures, Ott Reservoir stands as a testament to responsible water resource management in the face of changing climate conditions. As a key component of the local water infrastructure, Ott Reservoir continues to play a significant role in sustaining agricultural activities and ensuring water security in Colorado.