Located in Platteville, Weld County, Colorado, Holt is a privately owned irrigation dam on Howlett Gulch that has been serving the community since its completion in 1893. With a dam height of 11 feet and a length of 725 feet, Holt has a storage capacity of 279 acre-feet, providing essential water resources for irrigation in the area. Despite its age, the dam has a low hazard potential and has not been rated for its current condition.

Managed by the Colorado Department of Water Resources, Holt is regulated, permitted, inspected, and enforced by the state, ensuring its safety and compliance with regulations. Although the dam has not been modified in recent years, it is equipped with spillway width of 4 feet and has a maximum discharge of 10 cubic feet per second. The risk assessment for Holt indicates a high risk level of 2, highlighting the need for continued monitoring and maintenance to mitigate potential hazards and ensure the safety of the surrounding community and environment.