Sloan #1 is a privately-owned irrigation dam located in Weld County, Colorado, along the South Platte River. Built in 1959 by the Soil Conservation Service (SCS), this earth dam stands at a height of 21 feet and has a storage capacity of 100 acre-feet. With a normal storage level of 39 acre-feet and a drainage area of 2 square miles, Sloan #1 plays a crucial role in providing water for agricultural purposes in the region.

Despite being classified as having a low hazard potential and a satisfactory condition assessment, Sloan #1 is subject to regulatory oversight by the Colorado Department of Water Resources. The dam features an uncontrolled spillway with a width of 133 feet and a maximum discharge capacity of 1870 cubic feet per second. While the dam has not undergone any modifications in recent years, it is inspected every six years to ensure its safety and functionality.

The surrounding area of Keenesburg, Colorado benefits from the irrigation capabilities of Sloan #1, helping to support local agriculture. With its moderate risk assessment rating and adherence to state regulatory requirements, Sloan #1 serves as a vital water resource infrastructure for the community, highlighting the importance of effective dam management and maintenance in the face of changing climate conditions.