Mattingly is a private dam located in Larimer, Colorado, specifically in the city of Fort Collins along Dry Creek. Built in 1969 for irrigation purposes, this earth dam stands at a height of 54 feet and spans 1052 feet in length. With a maximum storage capacity of 820 acre-feet and a normal storage level of 570 acre-feet, Mattingly serves as a vital resource for water management in the area.

Despite its low hazard potential, Mattingly has been assessed as unsatisfactory in condition, with the last inspection conducted in October 2013. The dam's spillway, classified as uncontrolled, has a width of 40 feet to handle a maximum discharge of 1300 cubic feet per second. The risk assessment for Mattingly is moderate, with a rating of 3, indicating potential vulnerabilities that may require further risk management measures in the future.

Water resource and climate enthusiasts interested in the intricate details of dam infrastructure will find Mattingly a compelling case study. As a regulated structure under the jurisdiction of the Colorado Department of Water Resources, Mattingly's data provides valuable insights into the management and maintenance of dams for irrigation and wildlife conservation purposes. With its location in a picturesque setting in Larimer County, Mattingly stands as a symbol of human ingenuity in harnessing water resources for the benefit of both people and the environment.