Olsen is a private irrigation structure located in Emery, Utah, designed by the USDA NRCS with a state-regulated status under the Utah Division of Water Rights. The dam, classified as an earth type, stands at a hydraulic height of 12 feet and a structural height of 15 feet, with a length of 350 feet and a storage capacity of 200 acre-feet. The primary purpose of Olsen is for irrigation, serving a drainage area of 21.6 square miles and boasting a low hazard potential.

Managed by the Natural Resources Conservation Service, Olsen has not undergone any modifications since its completion and is inspected every five years, with its last assessment conducted in April 2017. Despite being in good condition and not rated for any hazards, Olsen does not have an Emergency Action Plan in place. The dam's associated structures, inspection frequency, and emergency preparedness measures remain unspecified, making it an intriguing subject for water resource and climate enthusiasts seeking to delve deeper into its operational and regulatory aspects.